How about Changshu Xinpu battery?

Not bad. Changshu Xinpu battery is manufactured by Xinpu Technology Co., Ltd., which is a professional manufacturer of lithium-ion battery modules. More than 200 million battery packs are provided every year, and one out of every four battery packs in the market is made by Xinpu Group. The battery is guaranteed for three years, which is universal in the whole country. It is very good.