... life cycle,normally can be used for more than 10 years. It has excellent safety, high energy density, long service time, nice ... ,output voltage DC48V.BMS included, interface on penal.Mutiple choice for output: 12V/40Ah,12V/50Ah,12V/100Ah,12V/200Ah, 12V 50AH LifePO4 battery for communication station