E-Bike & Scooter Battery Rebuild Service – Bosch, Shimano, Rad, Juiced, Aventon, Segway, Xiaomi, Dualtron

Restore your e-bike or scooter battery pack to like-new performance with our professional rebuild service. Instead of spending hundreds on a new pack, send us your old one—we’ll replace the internal lithium-ion cells with fresh, premium-grade cells and return it ready to ride.

⚡ Compatible with most 36V, 48V, 52V, and 60V packs including popular brands:

• Bosch, Shimano, Yamaha
• Rad Power, Juiced, Aventon, Lectric
• Xiaomi, Segway Ninebot, Gotrax
• Dualtron, Kaabo, Minimotors, and more

Important Requirements

• The BMS (Battery Management System) and battery case must be in good condition.
• If either is damaged, we will contact you before starting work to discuss options.

How It Works

1. Place your order for the rebuild service.
2. Ship your battery pack to:
   RenewSpark – PO Box 10174, Irvine, CA 92614
3. We disassemble your pack, replace the cells, balance/test the pack, and reassemble it.
4. Your rebuilt battery is shipped back ready to use.

Rebuild Options

• ✅ Standard Build – High-quality 18650/21700 cells (Samsung, LG, Panasonic) for reliable performance.
• ✅ Premium Build – High-performance cells (Molicel, LG MJ1, Samsung 40T, etc.) for maximum runtime, power output, and cycle life.

Warranty / Guarantee 

• 30-Day Warranty: All rebuilds are tested before shipping. If you experience an issue within 30 days, we’ll inspect and repair it free of charge.
• Performance Guarantee: Your rebuilt pack will perform equal to or better than the original factory pack.