Restore Your 48V E-Bike Battery with Premium LG M50LT Cells

This professional battery rebuild service replaces aging lithium-ion cells with genuine LG Energy Solution M50LT 21700 cells while retaining the original battery enclosure and existing BMS (when functional).

The original battery pack is rated at 48V 15Ah. Our rebuild maintains the factory configuration and capacity while providing fresh cells, reliable performance, and extended service life.

Specifications

Battery Configuration

• 13S3P Lithium-Ion

• LG Energy Solution M50LT 21700 Cells

• 39 New Cells Installed

Electrical Specifications

• Nominal Voltage: 46.8V

• Full Charge Voltage: 54.6V

• Capacity: 15Ah

• Energy: 702Wh

Battery Management

• Existing BMS Reused (When Functional)

• Cell Group Balancing Verified

• Full Functional Testing Performed

Rebuild Process

✔ Removal and recycling of old cells

✔ Installation of 39 LG M50LT 5000mAh cells

✔ Inspection and reuse of the existing BMS when functioning properly

✔ Professional spot-welded nickel connections

✔ Pack balancing and quality control testing

✔ Charge and discharge verification

✔ Final inspection prior to shipment

Compatibility

Compatible with battery packs originally labeled:

• Model: JNW48V8AH-5000

• Voltage: 48V

• Capacity: 15Ah

• Application: Electric Bicycle

What's Included

• Complete battery rebuild service

• 39 Genuine LG M50LT 21700 cell replacement

• Capacity verification

• Pack balancing

• Quality control testing

• Final inspection

What's Not Included

• Charger

• New enclosure or battery case

• New BMS (available upon request if needed)

Important Notes

• Customer must send in their existing battery pack for rebuild.

• Original enclosure and battery management system are retained unless replacement is requested.

• All rebuilt batteries are tested before shipment.

• Turnaround time may vary based on workload and parts availability.