Hold11Authorized Home Battery Service Station · Class II Repair Filing 511227

Chengdu Authorized After-Sales Service Provider for Power Batteries

Hengmang New Energy is located at No. 313 Checheng East 5th Road, Longquanyi District, Chengdu. We provide authorized after-sales repair for power batteries, maintenance of energy storage systems, and training on the three-electric systems. We hold authorization from 11 battery manufacturers' after-sales service stations.

Authorized Battery Service Center

  • Hive
  • Sunwoda
  • Youpai
  • Jiach
  • Farasis
  • Gotion
  • REPT New Energy
  • JieWei
  • Duofuduo
  • Background
  • Geely Yaoning

What battery challenges do we solve?

Diagnose first, then decide. Clearly explain whether to repair the module or replace the entire pack to avoid unnecessary full replacements.

Sharp Drop in Battery Life and Pressure Differential Anomaly

Sharp drop in battery life and abnormal pressure differential

Read BMS data to measure cell voltage differences and internal resistance, locate abnormal modules, and determine whether repairable modules can be serviced or if the entire pack requires replacement.

Water-cooled plate leakage and enclosure damage

Water cooling plate leakage and enclosure damage

Address box deformation and coolant plate leaks caused by bottom impacts or collisions. Perform structural repairs, sealing, and airtight testing to restore protection and cooling performance.

Battery pack damaged in collision

Battery pack damaged in accident

Assess damage to the vehicle's battery pack in an accident, identify the scope of damage and safety risks, and provide a basis for loss assessment, liability determination, and subsequent repairs.

Charging failure with high-voltage error

Unable to charge with high-voltage error

Troubleshoot charging communication, sampling harnesses, and busbar connections. After repairs, retest charge/discharge cycles and voltage differences to confirm the battery pack is restored to normal operation.

Hengmang New Energy Battery Factory After-Sales Service Station Authorization Plaque
Authorization & Qualifications

Which battery manufacturers are we authorized by?

Hengmang New Energy Holdings11Authorized service station for home power battery packs. Accepts battery failure vehicles transferred from 4S dealerships and general repair shops, providing inspection reports and disposal recommendations. Authorization and filing records are available for on-site verification.

HiveSunwodaYoupaiJiachFarasisGotionREPT New EnergyJieWeiDuofuduoBackgroundGeely Yaoning
View all qualifications and capabilities

What scenarios does the service cover?

From private vehicles to commercial fleets, from shop repairs to energy storage projects—match detection and disposal methods to each scenario.

Passenger vehicle

passenger car

Out-of-warranty or accident-damaged private vehicle batteries: Get a diagnosis first, then receive a tailored solution to avoid unnecessary full pack replacements.

Commercial Vehicles & Logistics Fleets

Commercial Vehicles and Logistics Fleets

High downtime costs for commercial vehicles. Support batch diagnostics and tiered remediation to minimize vehicle outages.

4S Dealerships and General Repair Shops

Dealerships and General Repair Shops

Accept battery fault vehicles from stores, provide inspection reports and disposal recommendations to help stores build battery repair capabilities.

Energy Storage Project

Energy Storage Project

Battery system testing, balancing maintenance, and fault handling for commercial/industrial energy storage and power stations to minimize downtime and capacity degradation.

Hengmang New Energy Battery Repair Workshop Exterior

Store Information

  • No. 313 Checheng East 5th Road, Chengdu Economic and Technological Development Zone (Longquanyi District), Chengdu City, No. 1-2
  • Business Hours09:00-21:00, Open year-round
  • Service Area:Chengdu and Sichuan Province; available for the Southwest region
Call19180514117

Leave a clue, and we'll help you assess first.

For most battery issues, diagnosis comes before repair. Please provide your vehicle model and describe the symptoms so we can follow our diagnostic workflow. For urgent matters, call us directly. 19180514117。

  • · Test results are typically available on the same day.
  • · Authorization and filing records can be verified on-site
  • Fleet and store support for batch inspection and ledger records

Leave a message

Leave your vehicle details and contact information, and we'll arrange the inspection process for you.

For urgent matters, please call directly.19180514117to facilitate advance scheduling of inspection and production.