Battery Refurbishment Service
Battery Refurbishment Service | Lithium Battery Repair & Rebuilding
Lion Battery provides professional Battery Refurbishment Services for lithium-ion, NMC, and LiFePO₄ battery packs.
We inspect, test, repair, rebuild, and refurbish suitable battery packs to help restore their performance and extend their usable service life.
Our battery refurbishment service is suitable for electric bikes, electric scooters, EV batteries, solar batteries, UPS batteries, inverter batteries, portable power packs, industrial batteries, robotics, and custom lithium battery packs.
What Is Battery Refurbishment?
Battery refurbishment is the process of inspecting and repairing a used or degraded battery pack where technically feasible.
Depending on the condition of the battery, refurbishment may include:
- Battery Inspection
- Cell Testing
- Weak Cell Identification
- Cell Replacement
- Cell Matching
- BMS Inspection
- BMS Replacement
- Wiring Inspection
- Connector Replacement
- Battery Pack Rebuilding
- Final Battery Testing
The exact refurbishment process depends on the battery design, age, condition, and application.
Why Refurbish a Battery?
Battery refurbishment can be considered when a battery has reduced performance but its enclosure, BMS, and other components may still be suitable for reuse.
Common reasons for refurbishment include:
- Reduced Battery Capacity
- Shorter Battery Runtime
- Weak Cell Groups
- Cell Voltage Imbalance
- Battery Pack Aging
- Increased Internal Resistance
- BMS Problems
- Charging Problems
- Discharge Problems
- Damaged or Degraded Cells
A battery should be inspected before deciding whether refurbishment or complete replacement is the better option.
Battery Refurbishment Services
Lion Battery provides:
- Lithium-Ion Battery Refurbishment
- NMC Battery Refurbishment
- LiFePO₄ Battery Refurbishment
- 18650 Battery Pack Refurbishment
- 21700 Battery Pack Refurbishment
- E-Bike Battery Refurbishment
- E-Scooter Battery Refurbishment
- EV Battery Pack Refurbishment
- Solar Battery Refurbishment
- UPS Battery Refurbishment
- Inverter Battery Refurbishment
- Portable Power Pack Refurbishment
- Industrial Battery Refurbishment
- Battery Pack Rebuilding
- Cell Replacement
- Cell Matching
- BMS Inspection and Replacement
Battery Types We Refurbish
| Battery Type | Refurbishment Service |
|---|---|
| Lithium-Ion Battery | Yes |
| NMC Battery Pack | Yes |
| LiFePO₄ Battery Pack | Yes |
| 18650 Battery Pack | Yes |
| 21700 Battery Pack | Yes |
| E-Bike Battery | Yes |
| E-Scooter Battery | Yes |
| EV Battery Pack | Yes |
| Solar Battery Pack | Yes |
| UPS Battery | Yes |
| Inverter Battery | Yes |
| Portable Power Pack | Yes |
| Industrial Battery Pack | Yes |
| Custom Lithium Battery | Yes |
Battery Refurbishment Process
1. Battery Inspection
The battery pack is inspected for physical damage, swelling, corrosion, wiring problems, connector damage, and other abnormalities.
The battery enclosure and internal components are also checked where appropriate.
2. Battery Voltage Testing
The overall battery voltage and individual cell groups are checked to identify abnormal voltage differences.
3. Cell Testing
Where appropriate, the cells or cell groups are evaluated for capacity, voltage, internal resistance, and overall condition.
4. Weak Cell Identification
Weak, damaged, or significantly degraded cells are identified during testing.
The condition of the remaining cells is also considered before deciding on a refurbishment approach.
5. Cell Replacement
Unsuitable cells or cell groups may be replaced with compatible cells when the battery pack is technically suitable for repair.
6. Cell Matching
Replacement cells are selected and matched according to relevant electrical characteristics to support consistent battery pack performance.
7. BMS Inspection
The Battery Management System is inspected to determine whether it is functioning correctly and is compatible with the refurbished battery pack.
8. Battery Pack Reassembly
The battery pack is reassembled with appropriate cells, BMS connections, wiring, insulation, connectors, and other required components.
9. Final Testing
The refurbished battery pack is tested for appropriate voltage, charging, discharge performance, cell balance, and BMS operation as applicable.
Battery Refurbishment for E-Bikes
Electric bicycle batteries can lose capacity and runtime after extended use.
Our e-bike battery refurbishment service includes battery inspection, cell testing, cell replacement, cell matching, BMS inspection, and battery pack rebuilding where technically feasible.
Battery Refurbishment for E-Scooters
Electric scooter batteries may develop weak cell groups, reduced capacity, or charging and discharge issues.
We inspect the battery pack and determine whether refurbishment is technically suitable before carrying out repair work.
Battery Refurbishment for EV Batteries
EV battery packs require careful inspection because they contain multiple battery modules and complex battery management systems.
Suitable EV battery packs can be evaluated for cell or module issues, voltage imbalance, BMS problems, and other relevant faults.
Solar Battery Refurbishment
Solar battery packs can experience capacity loss and cell degradation over time.
We provide inspection, testing, cell replacement, and rebuilding services for suitable lithium solar battery packs.
UPS & Inverter Battery Refurbishment
Suitable lithium batteries used in UPS and inverter systems can be inspected for reduced capacity, weak cells, BMS problems, and other issues.
Refurbishment may be considered when the battery pack is technically repairable.
Battery Refurbishment vs Battery Replacement
| Battery Refurbishment | Complete Battery Replacement |
|---|---|
| May reduce replacement cost | Higher initial replacement cost |
| Existing enclosure may be reused | New battery required |
| Suitable cells may be reused | New battery pack |
| Existing BMS may be reusable | New BMS may be required |
| Requires detailed inspection | Usually straightforward |
| Suitable for repairable battery packs | Suitable for severely damaged packs |
The better option depends on battery condition, age, remaining cell health, pack design, repair cost, and application requirements.
Common Battery Problems We Check
We can inspect batteries experiencing:
- Low Battery Capacity
- Short Runtime
- Battery Not Charging
- Battery Not Discharging
- Voltage Imbalance
- Weak Cell Groups
- BMS Faults
- Unexpected Battery Cut-Off
- Reduced Battery Performance
- Cell Degradation
- Increased Internal Resistance
A battery problem may have more than one cause, so proper testing is recommended before repair.
Important Safety Considerations
Lithium battery refurbishment should be performed by trained personnel using appropriate equipment and procedures.
Do not attempt to refurbish a swollen, leaking, burnt, severely damaged, or otherwise unsafe battery.
Replacement cells must be compatible with the battery chemistry, configuration, BMS, charging system, and application.
Not every battery is suitable for refurbishment. A professional inspection should be completed before repair work begins.
Why Choose Lion Battery?
- Professional Battery Refurbishment
- Lithium Battery Repair
- Battery Pack Rebuilding
- Cell Replacement
- Cell Matching
- BMS Inspection
- BMS Replacement
- 18650 & 21700 Battery Expertise
- NMC Battery Service
- LiFePO₄ Battery Service
- Battery Testing
- Custom Battery Manufacturing
- Technical Support
Frequently Asked Questions
What is battery refurbishment?
Battery refurbishment involves inspecting, testing, repairing, and rebuilding a suitable used or degraded battery pack to restore its performance where technically feasible.
Can you refurbish lithium-ion batteries?
Yes. Suitable lithium-ion battery packs can be inspected and refurbished depending on their condition and design.
Can you refurbish e-bike batteries?
Yes. We provide inspection, cell replacement, cell matching, BMS inspection, and rebuilding services for suitable e-bike battery packs.
Can you refurbish 18650 battery packs?
Yes. Compatible 18650 battery packs can be tested and refurbished when the pack is technically suitable for repair.
Can you replace cells during refurbishment?
Yes. Weak or damaged cells may be replaced with compatible cells as part of the refurbishment process.
Can the existing BMS be reused?
In some cases, the existing BMS can be reused if it is compatible and functioning correctly. It should be inspected before being returned to service.
Is battery refurbishment better than buying a new battery?
It depends on the battery’s condition, age, cell health, BMS condition, repair cost, and availability of replacement components. Testing helps determine the most suitable option.
Contact Us
Lion Battery
📞 Phone / WhatsApp: +91-9724991737
📧 Email: info@lionbattery.in