FLX Flux Battery | Rebuild Service
FLX Flux E-Bike Battery Cell Replacement Service - EbikeMarketplace
FLX Flux E-Bike Battery Cell Replacement Service - EbikeMarketplace
FLX Flux E-Bike Battery Cell Replacement Service - EbikeMarketplace

FLX Flux Battery | Rebuild Service

Regular price$550.00
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Shipping calculated at checkout.

Model
Capacity

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

  1. Purchase this rebuild service through our website.
  2. Ship us your battery with the included intake form and instructions.
  3. ***Always remember to include your charger when shipping your battery and make sure you fill out the battery intake form.  Battery Intake Form 
  4. Our expert technicians install new cells and complete a full diagnostic test.
  5. 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.

🔧 Battery Rebuild Service

We rebuild your existing battery using fresh, high-quality cells to restore or increase capacity and performance.

  • Full disassembly, rebuild, and testing
  • Upgraded capacity options available
  • Uses brand new name-brand cells
  • Turnaround time: Approximately 14 business days
  • Timeline includes the time it takes for us to receive your battery and complete the rebuild

⚡ Custom Battery Builds

Fully custom battery solutions designed to meet your exact specifications. This is ideal for unique applications or when a standard battery will not fit your needs.

  • Custom shapes and sizes
  • Custom BMS (Battery Management System) configurations
  • Choice of cells and performance levels
  • Option for enclosed case or raw (naked) pack
  • Built specifically for your application
  • Turnaround time: Approximately 21 business days

🔋 Battery Packs (Encased)

Battery packs built using one of our in-stock cases. These are a great option if you want a reliable, ready-to-fit solution.

  • Uses pre-designed cases from our inventory
  • Proven, reliable configurations
  • Faster than fully custom builds
  • Turnaround time: Approximately 14 business days

🔬 Battery Cells (Individual Cells)

We supply high-quality lithium-ion cells for repairs, upgrades, and custom builds.

  • In-stock cells: Ship within 3–6 business days
  • Out-of-stock (air shipping): Approximately 10 business days
  • Out-of-stock (sea shipping): Approximately 40 days

📦 Shipping & Intake Process

  1. Place your order or request a quote
  2. Fill out our Battery Intake Form
  3. Send in your battery (include charger and key if required)
  4. We inspect and test your battery
  5. We contact you with results and recommended options

Important Information

Turnaround times begin once your battery is received and checked into our system.

During high demand periods or for complex builds, timelines may be slightly extended.

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:

    4856 Judson Ave Suite 155 Las Vegas, NV 89115

    Monday– Thursday, 9:00 AM – 4:00 PM ( Friday 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.


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Compare Our Battery Diagnostic Tiers

Feature Tier 1 Tier 2 Tier 3
Visual inspection
Voltage and port testing
Full-cycle capacity test
Resistance / voltage drop testing
Cell analysis
Cell balancing
Component cleaning
BMS / major internal service

Made in the USA / Local Confidence

BUILT & TESTED IN LAS VEGAS

Every battery that leaves our shop is inspected, tested, and supported by our U.S. team. Local service. Fast turnaround. Proven reliability.

Batteries
Fit & Compatibility

EVERY RIDEBUILT TO FIT

Each battery is designed or rebuilt for direct compatibility with your e-bike. If it doesn’t fit, we’ll make it right — guaranteed.

Hear it from them

★★★★★

Couldn't be happier with the service I received from this company.

Leslie M.
Toronto, ON
★★★★★

Really went out of their way to make me feel special as a customer, highly recommend!

Rachel F.
Los Angeles, CA
★★★★★

Rebuilt my old pack and it’s like new. Excellent workmanship and fast turnaround from their Las Vegas team.

Sam R.
Brooklyn, NY
★★★★★

Great range of batteries — fast shipping and the pack fit my Dorado perfectly. Tech support helped me with installation.

Sharon S.
New Orleans, LA
★★★★★

Couldn't be happier with the service I received from this company.

Matt C.
Montreal, QC
★★★★★

Solid value, honest advice. The charger they recommended charges quicker and the battery lasts longer than my original.

Justin Oboeo
Los Angeles, CA
★★★★★

Good experience overall — the custom build added range and the customer service answered every question.

Carlos Velez
Las Vegas, NV

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