Narrow Downtube Battery | Rebuild Service
- Free worldwide shipping
- In stock, ready to ship
- Backordered, shipping soon
Narrow Downtube Battery | Rebuild Service
Does your narrow downtube (integrated frame) battery no longer hold charge, lose capacity, or underperform? Don’t replace your entire frame or battery—restore it with our Narrow Downtube Battery Rebuild Service. We keep your original battery shell, wiring, and connectors intact while refreshing the internal cells to bring your battery back to life at a fraction of the cost.
Rebuild Options
- Standard Rebuild – Restores the battery to its original factory-reported capacity with brand-new, high-quality lithium-ion cells.
- Upgraded Capacity – Where possible within the same case envelope and BMS rating, we can increase the amp-hour (Ah) rating to extend your ride time.
What’s Included
- Replacement of all internal lithium-ion cells
- Inspection, cleaning, and refurbishment of your existing housing, contacts, and wiring
- Performance testing, balancing, and quality verification
- Retention or replacement of your original BMS (Battery Management System) if needed (extra cost may apply)
- 90-day warranty on the rebuild service
Compatibility & Use Cases
Our Narrow Downtube rebuild service supports a wide variety of e-bikes with integrated narrow-frame battery designs. If you’re unsure whether your battery qualifies, simply send us photos or model details and we’ll confirm compatibility before you ship.
How It Works
- Order this rebuild service via our website
- You’ll receive shipping instructions and a battery intake form
- ***Always remember to include your charger when shipping your battery and make sure you fill out the battery intake form. Battery Intake Form
- Ship your original battery shell (downtube case) to our facility
- Our technicians refresh the internal cells, test, balance, and validate the rebuilt pack
- We ship your rebuilt battery back—ready to charge and race
Typical turnaround: 2–3 weeks once your battery arrives.
Why Choose Us
- Expert rebuilders of narrow, integrated downtube frames
- Eco-conscious solution—reuse your original case and reduce waste
- More cost-effective than purchasing a new downtube battery
- Reliable support and warranty coverage
Important Notes
- This product is a rebuild service only—we do not sell new narrow downtube battery packs
- You must ship in your original battery housing for the rebuild
- Pricing may vary depending on your battery’s condition, model, and requested upgrades
Breathe new life into your e-bike’s integrated downtube battery with our trusted rebuild service—ride stronger, farther, and smarter.
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.
