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Repack Pro

Professional Li-Ion Battery Repacking & Repair Service

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Battery illustration

What is Repacking?

Battery repacking is the process of replacing old, worn-out cells inside your e-bike battery case with new brand, high-performance cells. This rejuvenates your battery, extending its life and often improving its performance.

Do I Need a Repack?

  • Your bike turns off unexpectedly while riding
  • The range is low and doesn't seem to last
  • The battery will not accept a charge
  • The battery simply does not turn on

How Much Does a Repack Cost?

The cost of a battery repack depends on the capacity and model of your battery.

Typical range: $700 – $1500

Contact us for a personalized quote based on your battery's specifications.

Repacking vs Buying New

Repacking
  • Latest cell technology
  • Increased capacity possible
  • More cost-effective
  • Only option for some bikes
Buying New
  • May use older cell tech
  • Capacity limited to original
  • Often more expensive
  • Not always available
BoschShimano

Bosch & Shimano E-Bike Batteries

Unfortunately, Bosch and Shimano e-bike batteries cannot be repacked due to manufacturer restrictions and proprietary designs.

However, we can source brand new Bosch and Shimano batteries at excellent prices.

Contact us for a quote!

There are a range of battery models for Bosch and Shimano systems, so it's best to get in touch for accurate pricing and availability.

Dangers of Used Lithium-Ion Batteries

Damage with Age

Over time, lithium-ion batteries can suffer from various forms of damage. Physical impacts such as drops, dents, or pressure can compromise the casing or internal structure. Damaged or perished seals and exposure to humidity may allow moisture to enter, leading to internal corrosion, short circuits, or other forms of degradation. These issues increase the risk of failure and make old batteries more hazardous.

Fire & Thermal Runaway

Old or damaged lithium-ion batteries can overheat, catch fire, or even explode due to internal short circuits or thermal runaway.

Leakage & Toxic Chemicals

Aging batteries may leak hazardous chemicals, posing health and environmental risks if not handled and recycled properly.

Capacity Loss & Unreliability

Used batteries lose capacity and can become unreliable, leading to sudden power loss or device failure at critical moments.

Improper Handling

It is essential to have old lithium-ion batteries assessed, repacked, or recycled by professionals to ensure safety and compliance with regulations.

Always recycle old lithium-ion batteries responsibly. Never dispose of them in household rubbish.

How to Properly Care for Your Lithium Battery

Charging

  • Do not leave the battery charging for more than 12 hours.
  • Avoid fully draining the battery. If it happens, recharge as soon as possible.

Temperature

  • Charge and store between 10-25°C (50-78°F).
  • Keep out of direct sunlight and away from heaters when storing indoors.
  • Avoid using or charging below -20°C (-4°F). Extreme cold shortens battery life.

Storage

  • When storing, do not leave fully charged.
  • Store between 50-75% charge or 2-3 green lights if your battery has an indicator.
Request a Shipping Box
Request a Shipping Box

How to Get Started

Request a Shipping Box

  1. Contact us to request a shipping box.
  2. We send you a designated shipping box with all required dangerous goods paperwork.
  3. Pack your battery securely in the box.
  4. Send your battery to us using the provided instructions.
  5. We'll contact you with a quote and next steps.
Contact us to get started

Payment Options

Q Card

Q Card

Up to 36 months interest free available*

Learn more about Q Card

Credit & Debit Cards

We accept all major credit and debit cards.

Bank Transfer

Pay directly via online banking or bank transfer.

*Q Card lending criteria, fees, terms and conditions apply. See qcard.co.nz for details.

Battery testing and internals

How Does Battery Repacking Work?

  1. The battery pack is carefully opened.
  2. Old cells are removed and recycled; new, high-quality cells are installed.
  3. The battery management system (BMS) is replaced to match the new battery and improve lifespan.
  4. The battery is reassembled and thoroughly tested.
Battery safety practices

Our Battery Safety Practices

  • Genuine Cells: We use only genuine, high-quality cells from trusted manufacturers.
  • Batch Consistency: All cells in a battery are from the same batch to ensure consistent performance and safety.
  • Advanced BMS: We use high-quality Battery Management Systems (BMS) with advanced protection and safety features.
  • Comprehensive Testing: Every battery is fully tested after assembly to ensure it meets our safety standards and operates to design specification.

Frequently Asked Questions

How long will a repacked battery last?
A properly repacked battery can last as long as a new one, or potentially longer, often 3-5 years with proper care.
Will my repacked battery have a warranty?
Yes, we offer a 2-year warranty on full repacks performed by Repack Pro.
How long does the assessment take?
The diagnostic takes 4-5 hours to run a full test on your battery.
How do I get my battery to you?
You can either drop it to us in store at 416 Church Street, Palmerston North or 28 Amohia Street, Paraparaumu, or we can send out a dangerous goods shipping box for you to put your battery in to be sent to us.

Get an Estimate Now

Find out how much re-packing your batteries could cost

Batteries we can repack

We can repack many types of e-Bike batteries. If your battery looks like any of the below then we can help. If you have any other lithium ion based battery, please contact us we may still be able to help.

Smartmotion

Smartmotion

Smartmotion Slimline 10.4ah, 15.6ah, 21ah - 36v.

Black

Black

Black 13ah - 36v

Magnum

Magnum

Magnum 13ah - 36v, 13ah - 48v

Surface 604

Surface 604

Same as Magnum

Wattwheels

Wattwheels

Wattwheels 10.4ah, 14ah - 48v.

Stealth

Stealth

Built specifically to replace Stealth B52 Battery 24ah - 92.4v

Get an Estimate Now

Find out how much re-packing your batteries could cost

Get In Touch

Please fill out the form below to send us an email and we will get back to you as soon as possible.

You can upload up to 5 files. Each file should be less than 5 MB, and the total size should not exceed 10 MB.

Contact Info

Address:416 Church St, Palmerston North

Phone:06 353 3373

Email:[email protected]

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