This active battery equalizer with 3A - 5A Balance Current suitable for all lifepo4, lithium-ion, lipolymer batteries widely used on big solar battery pack 12V 24V 48V and electric car vehicle battery packs over 100V 200V 384V 500V 600V or more. Note: it can use for all lithium battery , such as Li-ion , Lipo, Lifepo4 LTO and so on it is only balancer , if you need protection board , can search in our store The equalization board is 14s, which can be connected in series by