Small series battery has a high energy density and long cycle life. It is the small battery with improved safety. Although the battery is small, it can cycle more than 500 cycles. Small series battery has a lot of advantages like the low self-discharge and there is no memory effect, we have small lead acid battery, small rechargeable battery and so on. Both of them are environmental friendly and have high safety. As a professional China small battery supplier, we provide quality small series battery with high capacity. If you have any demands or questions, you can contact us as you want.