How Much Does EV Charging Station Maintenance Cost Per Year in India?

Annual EV charger maintenance can vary widely according to charger power, warranty, utilisation, operating environment and service coverage. This guide explains realistic budgeting ranges, preventive maintenance, expensive failure points, AMC structures, downtime economics and the checks Indian charging-station owners should complete before choosing a maintenance plan.

16 min readBy Himanshu sharma

The EV Charging Station Maintenance Cost is one of the most underestimated expenses in an EV charging business. Investors often spend significant time comparing charger purchase prices, electricity tariffs and expected revenue per kWh, but long-term profitability also depends on whether the charging equipment remains available, safe and reliable after installation.

Unlike a conventional appliance, a public EV charger operates outdoors or in semi-public environments, communicates continuously with backend software, handles repeated high-power electrical loads and is physically used by hundreds or thousands of customers over its working life. Charging guns, cables, contactors, cooling systems, communication modules, screens and power modules can therefore require inspection, servicing or replacement.

India does not prescribe one universal annual maintenance fee for EV charging stations. Costs vary according to whether the asset is a 7.4 kW AC charger, a 60 kW DC fast charger or a multi-gun 240 kW charging system.

A useful annual maintenance budget must therefore separate routine preventive maintenance, AMC charges, spare parts, emergency repair, software support and the commercial cost of downtime.

How Much Should You Budget for EV Charger Maintenance Per Year?

For early project planning in India, a commercial charging-station owner can use the following indicative maintenance budgeting ranges, not as official tariffs or guaranteed SpeedCharge quotations.

Charger Type

Indicative Annual Maintenance Budget*

7.4–22 kW AC charger

₹8,000–₹25,000

30–60 kW DC charger

₹35,000–₹90,000

90–120 kW DC charger

₹60,000–₹1.5 lakh

150–240 kW DC charger

₹1 lakh–₹2.5 lakh

300 kW+ high-power DC system

₹1.5 lakh–₹4 lakh+

*These are practical planning estimates for budgeting only. They are not government-prescribed charges and are not SpeedCharge quotations. Actual annual cost can be lower during warranty or significantly higher where major power modules, charging guns, cooling components, displays or electrical systems need replacement.

The right budgeting question is therefore not simply, “What percentage does AMC cost?” It is, “What maintenance scope is required to keep this particular charger operational at the required uptime?”

Why EV Charging Station Maintenance Cost Changes So Much by Charger Type

AC and DC chargers are very different pieces of equipment.

A relatively simple AC charger typically depends on the vehicle's onboard charger to convert AC electricity into DC power for the battery. A high-power DC charger performs much more power conversion inside the charging station itself.

That means a commercial DC charger can contain:

  • multiple power modules;

  • contactors and relays;

  • isolation monitoring;

  • communication hardware;

  • cooling fans or liquid-cooling systems;

  • charging controllers;

  • touchscreen displays;

  • card/RFID hardware;

  • CCS2 charging guns;

  • cable-management systems;

  • energy meters;

  • network modems;

  • internal protection devices.

The Central Electricity Authority's EV charging standards resources include technical and safety material applicable to charging infrastructure. CEA safety requirements emphasise protection against overload, safe connection, lightning protection and other electrical-safety measures.

The greater complexity of higher-power DC equipment explains why maintenance budgets generally increase with charger capacity.

EV Charging Station Maintenance Cost: What Is Included in Annual Maintenance?

Investors should not assume that every AMC includes the same services.

An annual maintenance agreement can cover some or all of the following.

Preventive inspections

A technician periodically checks equipment before a fault develops.

This may include:

  • enclosure condition;

  • connector inspection;

  • charging cable inspection;

  • emergency-stop operation;

  • cooling-system condition;

  • filters and ventilation;

  • internal terminals;

  • protection devices;

  • display operation;

  • communication status;

  • software logs;

  • electrical measurements.

Corrective maintenance

Corrective maintenance begins after a fault is identified.

Examples include:

  • charger not starting;

  • communication failure;

  • payment failure;

  • connector-lock problem;

  • power-module fault;

  • contactor failure;

  • display failure;

  • charging gun damage;

  • overheating alarm;

  • firmware issue.

Remote technical support

Modern charging stations can often be diagnosed remotely through a Charger Management System.

Remote teams may:

  • view alarms;

  • restart chargers;

  • examine logs;

  • check communication status;

  • update configurations;

  • identify failed modules;

  • coordinate technicians.

Remote diagnosis can reduce service cost because not every fault needs an immediate site visit.

However, physical component failure still requires field intervention.

What Is the Difference Between Warranty and AMC?

Warranty and AMC should not be treated as interchangeable.

A manufacturer warranty generally covers eligible manufacturing defects for a defined period and according to the OEM's conditions.

An AMC, or Annual Maintenance Contract, can provide continued servicing after the original warranty or cover additional support that is not part of basic warranty.

The actual contract can differ significantly.

For example, one AMC may include only technician labour and preventive visits, while another may include selected replacement parts.

An investor should ask:

  • Does the AMC include labour?

  • Are technician travel expenses included?

  • Are power modules included?

  • Is the charging gun included?

  • Are damaged cables included?

  • Is the touchscreen included?

  • Are cooling fans included?

  • Are filters included?

  • Does vandalism remain excluded?

  • Is accidental vehicle damage excluded?

  • Is transformer maintenance included?

  • Is software support separate?

SpeedCharge's EV charging franchise agreement guide explains why maintenance scope should be explicitly defined in the commercial agreement rather than represented only by phrases such as “full maintenance included”.

Which Components Create the Biggest Maintenance Risk?

Not all charger failures have the same cost impact.

Charging gun and cable

The charging connector is one of the most heavily handled parts of a public station.

Drivers pull, bend, drop and repeatedly connect the gun. Cable damage can also result from improper parking or vehicles driving over cable assemblies where layout is poor.

A damaged charging gun can prevent the charger from serving compatible vehicles even if all internal electronics remain functional.

Power modules

DC chargers commonly use modular power conversion.

A charger may continue operating at reduced power if one module fails, depending on design, while multiple module failures can significantly reduce charging capacity or take the station offline.

Power-module replacement can become one of the more expensive maintenance events.

Cooling system

High-power DC charging produces heat.

Air-cooled chargers may require fan and filter inspection, while very high-power systems may use more complex thermal-management arrangements.

Blocked air paths or cooling-system problems can reduce output and contribute to component stress.

Display and user interface

Public chargers can use screens, RFID readers and payment interfaces.

Display failure may not damage the power electronics but can still make customer operation difficult.

Communications hardware

A charger may be electrically healthy but commercially unavailable if its SIM, modem, network connection or backend communication fails.

For this reason, maintenance planning must include both electrical and digital systems.

Preventive Maintenance Is Cheaper Than Repeated Emergency Repair

A charging-station owner should not wait until the charger completely stops working.

Preventive maintenance is intended to identify developing problems before they create downtime.

A useful schedule can include:

Monthly operational review

Check:

  • charger uptime;

  • fault frequency;

  • connector condition;

  • charging success rate;

  • customer complaints;

  • unusual overheating;

  • communication reliability;

  • payment failures.

Quarterly or scheduled technical inspection

Depending on OEM requirements and site conditions, inspect:

  • internal cleanliness;

  • ventilation;

  • cooling fans;

  • cable condition;

  • terminals;

  • charging guns;

  • emergency stop;

  • protective devices;

  • earthing condition;

  • filters;

  • firmware status.

Annual comprehensive inspection

The annual service can include deeper electrical and mechanical inspection and replacement of wear items according to manufacturer requirements.

The Ministry of Power's 2024 EV charging infrastructure guidelines emphasise reliable and safe operation of charging infrastructure across private, semi-public and public locations.

Maintenance should therefore be treated as an operational safety requirement as well as a financial expense.

Why Location Changes Maintenance Expenses

Two identical 60 kW chargers can have different annual service costs because the operating environments are different.

Dusty highway locations

Dust can accumulate in ventilation paths, filters and cooling systems.

A charger installed near an unpaved roadside may require more frequent inspection than one inside a controlled commercial parking facility.

Coastal locations

Salt-laden air can increase corrosion exposure.

Coastal installations should use equipment and maintenance practices appropriate to environmental conditions.

High-rainfall locations

Drainage, enclosure integrity, foundations and cable routing deserve additional attention.

High-utilisation taxi hubs

A charger serving commercial taxis repeatedly throughout the day experiences much greater connector handling and thermal cycling than a destination charger serving a few hotel guests.

Low-utilisation corporate sites

A charger with fewer daily sessions may experience less mechanical wear, although periodic preventive maintenance remains necessary.

This is why site selection affects both revenue and operating cost.

SpeedCharge's EV charging station site-selection guide explains how climate, drainage, parking design, accessibility and site conditions should be evaluated before equipment is installed.

Annual Maintenance Cost for AC Chargers

AC chargers generally have lower maintenance complexity than high-power DC equipment.

Typical cost drivers include:

  • connector wear;

  • cable damage;

  • contactor problems;

  • enclosure damage;

  • RFID reader issues;

  • communication module failure;

  • display or indicator failure;

  • software support;

  • technician visits.

For a commercial 7.4–22 kW AC charging point, an owner may use roughly ₹8,000–₹25,000 per year as an initial maintenance-planning range.

Again, this is an indicative business-planning estimate.

A charger under manufacturer warranty with low utilisation could cost less. A damaged public charger requiring replacement parts could cost more.

For an apartment or workplace installation, labour and travel can sometimes represent a larger percentage of the maintenance expense than replacement electronics.

Annual Maintenance Cost for DC Fast Chargers

DC charging creates a different maintenance profile.

A 60 kW charger can contain multiple power modules, cooling systems, CCS connectors, larger electrical components and more sophisticated control hardware than AC equipment.

An indicative annual planning budget can be:

  • 30–60 kW DC: ₹35,000–₹90,000

  • 90–120 kW DC: ₹60,000–₹1.5 lakh

  • 150–240 kW DC: ₹1 lakh–₹2.5 lakh

  • 300 kW+: ₹1.5 lakh–₹4 lakh or more

A major component failure can exceed the normal annual budget.

Therefore, investors should separate:

planned annual maintenance

from

major component replacement reserve.

A station can have an AMC of ₹80,000 but still experience an exceptional repair in a particular year that costs considerably more.

EV Charging Station Maintenance Cost and the Hidden Price of Downtime

Maintenance economics should include lost revenue, not just technician invoices.

Assume a charger normally sells 250 kWh per day.

If its retained contribution after variable energy-related costs were hypothetically ₹5 per kWh, the charger would contribute:

250 × ₹5 = ₹1,250 per day

If the charger remains unavailable for five days:

₹1,250 × 5 = ₹6,250 potential contribution lost

That amount is separate from the repair bill.

At a more heavily utilised station, downtime can become much more expensive.

This is why a cheaper AMC with slow field response may sometimes be commercially worse than a more expensive service contract with:

  • remote monitoring;

  • rapid diagnostics;

  • local technician availability;

  • spare-parts inventory;

  • defined response times.

The objective is not simply to minimise maintenance expense. It is to minimise lifetime operating cost while protecting availability.

How Uptime Affects Charging-Station Profitability

Uptime is the percentage of time the charging equipment is available for intended service.

Poor uptime hurts the station in several ways.

First, no charging revenue can be generated while the equipment is offline.

Second, drivers who repeatedly find a charger unavailable may stop returning.

Third, poor reliability can damage the station's ratings and network reputation.

Fourth, fleet customers can become particularly sensitive to charger downtime because vehicle schedules depend on predictable charging.

For this reason, SpeedCharge's existing EV charging station profitability guide treats uptime and maintenance as important variables alongside electricity tariff, utilisation and property cost.

An investor comparing two chargers should therefore compare service support as carefully as hardware price.

EV Charging Station Maintenance Cost Should Be Measured Per kWh Too

A useful way to evaluate annual maintenance is to convert it into cost per unit of energy delivered.

Suppose:

Annual maintenance = ₹1,20,000

and

Annual energy delivered = 1,20,000 kWh

Then:

Maintenance cost per kWh = ₹1

Now assume the same charger delivers only 40,000 kWh in the year:

₹1,20,000 ÷ 40,000 = ₹3 per kWh

The maintenance contract has not become more expensive, but the maintenance burden on each unit sold is three times higher.

This demonstrates why charger utilisation has such a strong relationship with profitability.

Low-utilisation stations do not only struggle with capital recovery. Fixed operating expenses such as software, site costs and AMC also become expensive on a per-kWh basis.

What Is Usually Not Included in Basic Charger AMC?

Investors should check exclusions carefully.

Common exclusions can include:

  • physical impact damage;

  • vandalism;

  • theft;

  • flooding;

  • fire;

  • rodents;

  • unauthorised modification;

  • abnormal input power;

  • external electrical faults;

  • lightning damage outside covered protection;

  • transformer failure;

  • upstream panel failure;

  • civil damage;

  • vehicle collision;

  • cable damage caused by misuse.

Some contracts may cover selected items while others exclude them.

Never assume.

The scope should be written.

It is also useful to clarify whether replacement parts are:

  • fully included;

  • discounted;

  • charged at actual cost;

  • covered only during warranty.

Charger Maintenance Is Different From Site Maintenance

An EV charging station contains more infrastructure than the charging unit.

Annual operating budgets may also need to include:

  • transformer servicing;

  • HT/LT panel inspection;

  • earthing testing;

  • electrical cabling;

  • lighting;

  • CCTV;

  • canopy maintenance;

  • drainage;

  • parking markings;

  • bollards;

  • signage;

  • network connectivity;

  • housekeeping;

  • fire-safety equipment.

A charger AMC may not cover any of these items.

The SpeedCharge EV charger installation guide is useful because it shows how the charger is only one part of the complete electrical and civil system.

For annual budgeting, separate the station into:

EVSE maintenance + electrical infrastructure maintenance + property/site maintenance + software/network support.

This creates a more realistic operating budget.

Electrical Safety Inspection Should Not Be Skipped

Charging equipment handles substantial electrical power.

The CEA EV charging safety requirements cover areas including protection, charging-station installation and applicable technical standards.

Routine maintenance should therefore look beyond whether the screen powers on.

Checks can include:

  • earthing integrity;

  • protection devices;

  • cable insulation;

  • connector condition;

  • emergency stop;

  • overcurrent protection;

  • enclosure condition;

  • exposed conductors;

  • overheating signs;

  • water ingress.

The exact inspection procedure should follow equipment-manufacturer instructions and applicable electrical requirements.

Owners should use qualified technicians rather than allowing untrained site staff to open or repair high-power charger cabinets.

Software Maintenance Is Part of the Operating Cost

Modern public chargers depend on software almost as much as electrical hardware.

A Charger Management System may handle:

  • authentication;

  • payments;

  • charging sessions;

  • tariff configuration;

  • remote start/stop;

  • fault monitoring;

  • utilisation reports;

  • revenue reconciliation;

  • firmware management.

The CMS may be bundled with the network model or charged separately.

An independent charging operator should therefore budget for:

  • CMS subscription;

  • SIM/data;

  • payment integration;

  • software support;

  • remote monitoring;

  • security updates;

  • backend maintenance.

The Bureau of Energy Efficiency's electric-mobility resources consolidate national EV charging guidance and related charging-infrastructure information.

For an investor, the practical lesson is simple: maintaining a connected charger requires both hardware support and backend support.

How Much Maintenance Reserve Should a Charging Business Keep?

A responsible operator should maintain a reserve in addition to routine AMC.

One practical planning approach is to create three buckets:

Bucket 1 — Regular AMC

Budget for scheduled preventive service and ordinary support.

Bucket 2 — Consumables and minor repairs

This can include:

  • filters;

  • fans;

  • cable accessories;

  • switches;

  • locks;

  • minor communication hardware.

Bucket 3 — Major failure reserve

This is reserved for less frequent but expensive events such as:

  • power-module failure;

  • charging-gun replacement;

  • display replacement;

  • controller replacement;

  • cooling-system failure.

The reserve does not have to equal a fixed percentage for every charger.

A better approach is to obtain replacement-part prices from the OEM during procurement and build the reserve using the charger's actual bill of materials and warranty coverage.

Maintenance Questions to Ask Before Buying an EV Charger

Equipment procurement should include service due diligence.

Ask the supplier:

  1. What is the standard warranty period?

  2. What exactly does warranty cover?

  3. What are the warranty exclusions?

  4. What AMC options are available?

  5. Does AMC include spares?

  6. What is the field-service response time?

  7. Where are technicians located?

  8. Which spare parts are stocked locally?

  9. What is the expected power-module replacement cost?

  10. How much does a charging gun cost?

  11. Are firmware updates included?

  12. Is CMS support included?

  13. Is remote monitoring included?

  14. What happens after warranty expiry?

  15. Can another service provider maintain the charger?

These questions can materially change the lifetime economics of two chargers with similar purchase prices.

Comprehensive AMC vs Labour-Only AMC

Two common approaches are:

Labour-only AMC

The service provider covers technician visits and maintenance labour, but replacement parts are charged separately.

Advantages:

  • lower annual fee;

  • useful for reliable equipment;

  • owner controls spare-parts spend.

Risk:

A major component failure can create a large unexpected bill.

Comprehensive AMC

A broader contract can include service labour plus defined replacement components.

Advantages:

  • more predictable maintenance expenditure;

  • reduced exposure to selected component failures.

Risk:

The annual price can be significantly higher and exclusions may still apply.

The investor should calculate both options across several years rather than selecting the lowest first-year AMC.

Preventing Charger Damage Through Better Site Design

Some maintenance problems can be prevented before the charger is installed.

Useful design measures include:

  • bollards around charging equipment;

  • properly sized parking bays;

  • cable-management systems;

  • drainage;

  • canopy where appropriate;

  • lighting;

  • CCTV;

  • clear road markings;

  • wheel stops;

  • adequate turning radius.

For example, spending a relatively small amount on bollards can reduce the risk of a vehicle striking expensive charging hardware.

Likewise, correct cable routing can reduce connector and cable damage.

This is another reason equipment installation should follow a proper site engineering process rather than simply positioning the charger wherever electrical cabling is easiest.

Maintenance Cost Should Be Included in the Investment Model From Day One

Maintenance should never be added to the spreadsheet after the investment decision has already been made.

The full business model should consider:

Revenue = Billable kWh × realised charging revenue

Then deduct:

  • electricity;

  • demand charges;

  • site rent/revenue share;

  • software;

  • payment fees;

  • insurance;

  • maintenance;

  • staff/security where applicable;

  • financing;

  • taxes and applicable operating expenses.

The SpeedCharge guide to EV charging station cost and profit in India explains why charging economics depend on total operating cost rather than hardware price alone.

If the project appears profitable only when maintenance is assumed to be zero, the financial model is incomplete.

Maintenance in Independent vs Franchise Charging Models

Maintenance responsibility also changes according to the business model.

Independent charging station

The owner normally needs to arrange:

  • OEM warranty;

  • AMC;

  • technicians;

  • spares;

  • CMS support;

  • escalation;

  • customer support.

The investor gains greater control but also carries more operating responsibility.

Franchise or managed network

A network provider may manage some combination of:

  • remote monitoring;

  • technical support;

  • field maintenance;

  • software;

  • customer support;

  • spare parts.

However, responsibilities depend on the agreement.

An investor considering a structured network can review the SpeedCharge EV charging franchise model and verify the maintenance obligations in the final commercial agreement.

Do not assume a company-operated structure automatically means every component, electrical fault or accidental damage is covered without cost.

When Should a Charger Be Repaired Versus Replaced?

Not every aging charger should be repeatedly repaired.

Replacement can become more rational when:

  • modules are obsolete;

  • spare parts are unavailable;

  • failure frequency increases;

  • power rating no longer matches customer demand;

  • software support ends;

  • connector standards become unsuitable;

  • repair cost approaches replacement economics.

The decision should compare:

remaining asset life + repair cost + expected downtime

against:

replacement CAPEX + improved performance + expected new asset life.

A high-utilisation station can sometimes justify earlier equipment replacement because downtime has a large opportunity cost.

A low-utilisation site may instead need a location or demand strategy review before additional capital is committed.

How SpeedCharge Approaches Maintenance Planning

For SpeedCharge projects, the relevant maintenance structure should be confirmed in the project-specific commercial agreement and equipment documentation.

The SpeedCharge partner page currently identifies technical support, maintenance and operational assistance as parts of its commercial charging ecosystem, while also mentioning extended AMC options for charging equipment.

Property owners, businesses and fleet operators considering managed infrastructure can review SpeedCharge commercial EV charging solutions and request a site-specific scope.

Investors should ask for the exact maintenance schedule, warranty, exclusions, field-response expectations and spare-parts responsibility before finalising the project.

Final Annual Maintenance Budget Checklist

Before finalising the annual operating budget, include:

  • charger AMC;

  • technician visits;

  • replacement-part reserve;

  • charging-gun reserve;

  • power-module reserve;

  • CMS/software;

  • SIM/network;

  • transformer servicing;

  • panel inspection;

  • earthing checks;

  • CCTV;

  • fire equipment;

  • signage and parking;

  • cleaning;

  • accidental-damage insurance;

  • downtime contingency.

The budget should then be converted into ₹ per kWh delivered so the operator can see its true impact on station profitability.

A maintenance budget of ₹1 lakh may look large in isolation but can be economically manageable at a high-throughput site. The same ₹1 lakh can become a major burden at an underutilised charger.

Conclusion

Annual EV charging maintenance cannot be reduced to one fixed nationwide price. AC chargers usually require smaller maintenance budgets, while high-power DC chargers contain more complex power electronics, cooling, communication and connector systems and therefore require greater service provision.

For early planning, commercial operators can use indicative annual ranges, but final budgeting should come from the actual OEM warranty, AMC proposal, replacement-part prices and site conditions.

The most important principle is to evaluate maintenance together with uptime. A cheap maintenance contract that leaves a revenue-generating charger offline for several days can cost more than a stronger service plan.

Frequently Asked Questions

How much does EV charger maintenance cost per year in India?

There is no government-fixed annual maintenance rate. As an indicative planning range, a commercial AC charger may require roughly ₹8,000–₹25,000 annually, while DC fast-charger maintenance can range from around ₹35,000 to several lakh rupees depending on power, utilisation, warranty and service scope.

Is EV charger AMC mandatory?

There is no universal rule requiring every charger owner to purchase a commercial AMC product, but charging infrastructure must be operated and maintained safely and reliably according to applicable technical requirements. Commercial operators usually benefit from a defined warranty, maintenance and fault-response arrangement.

Why is DC charger maintenance more expensive than AC charger maintenance?

DC fast chargers contain more power-conversion electronics, cooling equipment, internal contactors, communication hardware and high-current charging components. Higher utilisation can also increase thermal cycling and connector wear. These additional components create more potential maintenance points than relatively simple AC chargers.

Does EV charger warranty cover all repairs?

Usually not. Warranty conditions differ by manufacturer and may exclude physical damage, vandalism, flooding, external electrical faults, unauthorised repair and normal wear. Investors should read the warranty document carefully and confirm which components, labour and travel costs are covered.

What is the most expensive EV charger component to repair?

The answer depends on charger design, but high-power power modules, charging guns, cooling-system components, control electronics and displays can create substantial replacement expenses. Owners should obtain indicative spare-part pricing before procurement rather than waiting until the first major failure.

How often should a commercial EV charger be serviced?

The servicing interval should follow the manufacturer's maintenance schedule, usage pattern and site environment. Operators should continuously monitor faults and charger uptime, while periodic physical inspections should cover cables, connectors, cooling, protection devices, enclosure condition, communication and electrical safety.

Is transformer maintenance included in EV charger AMC?

Usually charger AMC and transformer maintenance are separate unless the contract explicitly combines them. A complete charging station can include EVSE, transformer, panels, cables, earthing and civil infrastructure, so the operator should budget for the entire site rather than charger servicing alone.

Can preventive maintenance improve charger uptime?

Yes. Preventive maintenance can identify damaged cables, blocked ventilation, loose connections, cooling problems, communication issues and other developing faults before they create extended downtime. Remote monitoring combined with scheduled physical inspection is particularly useful for commercial charging networks.

Should maintenance cost be calculated per charger or per kWh?

Both metrics are useful. Annual cost per charger helps with budgeting, while maintenance cost per kWh shows its effect on unit economics. A fixed ₹1 lakh annual expense is far easier to absorb at a high-utilisation station than at a charger dispensing relatively little energy.

What should I check before buying an EV charger to reduce future maintenance cost?

Check warranty length, exclusions, AMC pricing, local technician availability, spare-parts availability, power-module pricing, charging-gun replacement cost, CMS support, firmware policy, remote diagnostics and field-response time. Lifetime service support should be evaluated alongside the initial hardware price.

Himanshu sharma

Himanshu sharma

Himanshu sharma writes for SpeedCharge on EV charging infrastructure, clean mobility technology, policy and charging economics in India.

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