Impulse Battery | Rebuild Service
Impulse Battery | Rebuild Service
Does your Impulse e-bike battery feel weak, lose charge quickly, or refuse to power up? Instead of replacing the entire pack, give it new life with our Impulse Battery Rebuild Service. We retain your original battery housing, connectors, and mounting interface while swapping in fresh, high-quality lithium-ion cells to restore performance—often at a fraction of the cost of a new battery.
Rebuild Options
- Standard Rebuild – Restores your battery to its original factory-rated capacity with new premium cells
- Upgraded Capacity – When your housing, BMS, and wiring permit, we can increase amp-hours (Ah) to extend your range
What’s Included
- Complete replacement of all internal lithium-ion cells
- Inspection, cleaning, and refresh of your existing case, wiring, and terminals
- Performance testing, cell balancing, and verification
- Retaining your original BMS (Battery Management System), or replacement if needed (at extra cost)
- 90-day rebuild warranty on workmanship
Compatible Impulse / Applications
Impulse drive systems were commonly used in brands like Kalkhoff, Raleigh, Focus, and others. If you're not sure whether your battery qualifies under our rebuild service, send us a photo or model info—we’ll confirm before you ship it in.
How It Works
- Purchase this rebuild service on our site
- We’ll send you shipping instructions & an 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 Impulse battery housing to our facility
- Our technicians replace the internal cells, test, and balance the pack
- We return your rebuilt battery ready to go
Typical turnaround time: 2–3 weeks after your battery reaches us
Why Choose Us?
- Deep experience with e-bike battery rebuilds, including Impulse systems
- Eco-conscious solution—reuse your case and reduce waste
- Less expensive than buying a new battery
- Personal support, transparency, and rebuild warranty
Important Notes
- This is a battery rebuild service only — we do not sell new Impulse batteries
- You must send in your original battery housing for the rebuild
- Pricing may vary depending on battery model, condition, and requested upgrades
Let us restore your Impulse battery to full strength so you can keep riding without replacing your pack.
Disclaimer : (This specific battery has special components, which have a higher failure risk. Please note components failed there's no remedy to repair battery)
Fits a range of bicycles, including:
GAZELLE
Gazelle Impulse C8 (2014 - 2015)
Gazelle Impulse EM (2013 - 2014)
Gazelle Impulse EM C7 & C7 Plus (2014 - 2015)
Gazelle Impulse EM C8 (2014 - 2015)
Gazelle Impulse EM Speed (2014 - 2015)
KALKHOFF
Kalkhoff Agattu Impulse 360 (2014 - 2015)
Kalkhoff Agattu Impulse 7 & 7 HS (2014 - 2015)
Kalkhoff Agattu Impulse 8 HS (2014 - 2015)
Kalkhoff Agattu Premium C4 (2012)
Kalkhoff Endeavour Impulse S11 Premium (2014 - 2015)
Kalkhoff Impulse ERGO (2014 - 2015)
Kalkhoff Impulse ERGO XXL (2014 - 2015)
Kalkhoff Premium Impulse 11 (2014 - 2015)
Kalkhoff Premium Impulse 360 (2014 - 2015)
Kalkhoff Premium Impulse 8 & 8 HS(2014 - 2015) (pictured)
Kalkhoff Pro connect Impulse 8, 9 & 10 (2014 - 2015)
Kalkhoff Sahel Compact Impulse 8 & 9 (2014 - 2015)
Kalkhoff Tasman Classic Impulse 8 Benelux (2014 - 2015)
Kalkhoff Tasman Impulse 8 (2014 - 2015)
RALEIGH
Raleigh Dover Impulse (2014 - 2015)
Raleigh Dover Impulse 360 (2014 - 2015)
Raleigh Dover Impulse 8 & 8 HS (2014 - 2015)
Raleigh Dover Impulse 8R & 8R HS (2014 - 2015)
Raleigh Dover Impulse ERGO XXL (2014 - 2015)
Raleigh Dover Impulse Harmony (2014 - 2015)
Raleigh Dover Impulse R Classic & R Club (2014 - 2015)
Raleigh Dover Impulse XXL8 (2014 - 2015)
Raleigh Dover Impulse XXL8R (2014 - 2015)
(Bike Models)
- Impulse Evo
- Impulse Evo Cross
- Impulse Evo City
- Impulse Evo Trekking
- Impulse Evo Sport
- Impulse 2.0
- Impulse 3.0
- Impulse 3.0 City
- Impulse Sport
- Impulse City
🔧 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
- Place your order or request a quote
- Fill out our Battery Intake Form
- Send in your battery (include charger and key if required)
- We inspect and test your battery
- 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.
