Are you concerned about batteries that have reached the end of their life?
We offer refill and remanufacturing services using premium-grade certified battery cells.
Experience safe, reliable, high-performance batteries proudly made in Korea.
We offer a 1-year free warranty and are covered by product liability insurance.

Thank you.

The demand for electric bicycle and scooter batteries has increased significantly.
Many customers reach out to us with questions about battery replacement, repair costs, performance issues, BMS errors, and more.

We manufacture, refill, and customize battery packs using high-quality, certified battery cells.
We also offer repairs for issues like imbalanced cells or damage caused by one or two faulty cells.

Refill pricing includes:

• Labor (production cost)

• Battery cell cost

• BMS (Battery Management System) price

If you already know your battery pack's specifications, we can assist you more quickly.
If not, just take a photo of the label showing the specs and send it to us via email or WhatsApp.

Thank you.

Kumkang Energy Solution Co., Ltd. is a specialized domestic manufacturer of mobility batteries, including those for electric scooters, e-bikes, golf carts, power banks, lithium iron phosphate (LiFePO₄) batteries, and robots.

We offer custom battery production — even for a single unit.

If you need a battery that truly fits your purpose, trust us to deliver the highest quality.