As a leading developer and manufacturer of innovative power solutions for a wide range of battery applications.

It prides itself on using only the highest quality cells to make lithium battery packs and has established a strategic relationship with international lithium battery suppliers such as Sanyo, Sony, Panasonic, LG Chem, Samsung SDI etc..

Strives to provide quality oriented, technically innovative and responsive service for our customers. All packs are manufactured within a quality standards framework, which makes Great Power products widely acknowledged to be reliable, safe, cost-efficient, long-life and respectful of the environment.

Plant approved by GB/T19001-2016/ISO9001:2015 quality management system, through the factory internal incoming, process, strict quality control ship, and battery reliability, security, performance monitoring, and testing, in order to protect to provide good quality products to customers.

Great Services

We are here to serve you. From choosing the correct battery through the time you receive your order. We are always here to help! If you have any questions, please don’t hesitate to reach out to our customer service team.

Highest Standards

With many wholesalers and auction sites offering low grade or re-wrapped 18650 batteries, it can be hard to know who to trust and can be very dangerous. Here, you will never have to worry about quality or safety. We test every batch of batteries to ensure authenticity and quality.

Professional Team

We pride ourselves on not only having the very best selection in 18650 batteries, but also custom battery pack. 10 years OEM/ODM experience for more then 100 clients from US and almost all over Europe, We can design the lithium battery pack under your specifications.

Creative Solutions

With a professional R&D team, supporting custom design and custom development. With in-house product engineering and design assistance, in order to meet your plastic injection molding needs, we build our own tooling to bring your product to fruition.