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.

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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

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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

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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.

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How It Works

1. Purchase this rebuild service on our site
2. We’ll send you shipping instructions & an intake form
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. Ship your original Impulse battery housing to our facility
5. Our technicians replace the internal cells, test, and balance the pack
6. We return your rebuilt battery ready to go

Typical turnaround time: 2–3 weeks after your battery reaches us

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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

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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

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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)