FLX Flux Battery | Rebuild Service
36V NAKED PACK DIMENSIONS
All sizes below include holders, insulation, heat-shrink, wiring, and side-mounted high-current BMS allowance.
| Config | Capacity (Ah) | Cell Count | Dimensions (L × W × H, in) | Dimensions (mm) | Max Continuous (A) | Notes |
|---|---|---|---|---|---|---|
| 10S3P | 15Ah | 30 | 8.9 × 2.8 × 3.3 | 226 × 71 × 85 | 100A | Compact commuter |
| 10S4P | 20Ah | 40 | 8.9 × 3.7 × 3.3 | 226 × 94 × 85 | 120A | Good range upgrade |
| 10S5P | 25Ah | 50 | 8.9 × 4.6 × 3.3 | 226 × 117 × 85 | 150A | Mid-capacity |
| 10S6P | 30Ah | 60 | 8.9 × 5.5 × 3.3 | 226 × 140 × 85 | 180A | Balanced build |
| 10S7P | 35Ah | 70 | 8.9 × 6.4 × 3.3 | 226 × 163 × 85 | 200A | High power |
| 10S8P | 40Ah | 80 | 8.9 × 7.3 × 3.3 | 226 × 186 × 85 | 220A | Fleet / commuter |
| 10S9P | 45Ah | 90 | 8.9 × 8.2 × 3.3 | 226 × 209 × 85 | 250A | Heavy duty |
| 10S10P | 50Ah | 100 | 8.9 × 9.1 × 3.3 | 226 × 232 × 85 | 300A | Max 36V build |
- Free worldwide shipping
- In stock, ready to ship
- Backordered, shipping soon
FLX Flux Battery | Rebuild Service
Is your FLX e-bike battery losing range or no longer charging like it used to? Instead of replacing your entire bike, restore your battery’s performance with our FLX Flux Battery Rebuild Service. We replace the old, worn-out cells inside your existing battery case with brand-new, high-quality lithium-ion cells, bringing it back to life and often improving its capacity.
This service saves you money, reduces waste, and keeps your bike on the road.
Rebuild Options
- Standard Rebuild – Returns your battery to its original factory capacity using premium lithium-ion cells.
- Upgraded Capacity – In many cases, we can increase your amp-hours for longer rides and fewer charges (contact us to confirm compatibility).
What’s Included
- Full replacement of all internal lithium-ion cells
- Comprehensive inspection and cleaning of your existing case and wiring
- Testing, balancing, and performance verification by our technicians
- Reuse of your original BMS (Battery Management System), or replacement if necessary (additional cost may apply)
- 90-day warranty on the rebuild service
FLX Models
Our rebuild service supports a wide range of FLX e-bike batteries, including:
- FLX Roadster
- FLX Babymaker
- FLX Babymaker 2 (pictured)
- FLX Electric Roadster
- FLX Flux
- FLX Fuze
- FLX Phantom
If you’re not sure about your model, send us a photo or battery specs, and we’ll confirm compatibility before you ship it in.
How It Works
- Purchase this rebuild service through our website.
- Ship us your battery with the included intake form and instructions.
- ***Always remember to include your charger when shipping your battery and make sure you fill out the battery intake form. Battery Intake Form
- Our expert technicians install new cells and complete a full diagnostic test.
- We ship your rebuilt battery back ready to ride.
Typical turnaround time: 2–3 weeks after we receive your battery.
Why Choose Us?
- Industry-leading battery rebuild specialists with years of experience
- Eco-friendly solution that reuses your existing case and reduces waste
- More affordable than buying a brand-new battery
- Backed by excellent customer service and technical support
Important Notes
- This listing is for a rebuild service only. We do not sell new FLX batteries.
- You must ship us your original battery case to perform the rebuild.
- Pricing may vary depending on battery condition and model.
Extend the life of your e-bike with our FLX Flux Battery Rebuild Service—a cost-effective, eco-friendly way to restore performance for your FLX Roadster, Babymaker, Flux, and more.
Processing Time
- Most in-stock batteries ship within 3–5 business days.
- Custom rebuilds and special orders may take 7–14 business days before shipping.
Shipping Method
- All batteries are shipped via ground service only (FedEx or UPS) in compliance with DOT and IATA regulations for lithium batteries.
- Expedited air shipping is not available for lithium battery products.
Delivery Time
- Ground shipping typically takes 3–7 business days within the U.S.
- Tracking information will be provided as soon as your order ships.
Local Pickup
- Pickup is available at our Las Vegas facility:
6585 S Arville St, Las Vegas, NV 89118
Monday–Friday, 9:00 AM – 5:00 PM (by appointment).
Returns
- Returns are accepted within 14 days of delivery on unused, unopened batteries.
- For rebuilds and custom packs, all sales are final unless defective.
Important Notes
- Shipping is limited to the continental United States.
- Customers are responsible for providing a valid shipping address — carriers cannot deliver to P.O. Boxes.
- Signature may be required at delivery for higher-value battery orders.
