These Items can be widely applied on solar street light field ,also in some electric tool field with low power rate .usually for less than 7S battery ,with less than 25A constant discharge current , this BMS feaures on some additional protection such as -disconnection protection ,with heating function when meets low temperature working environment , water-proof application etc ,our PCB product works well and maturelly after few years market application test . it will offer a more reliable and safe performance to our customers .