Lityum batareyaning zaryadsizlanishini va past haroratda zaryadlanishini amalga oshiring. Atrof-muhit harorati juda past bo'lganda, isitish moduli lityum batareyani batareya ish haroratiga yetguncha isitadi. Ayni paytda bms yoqiladi va batareya normal zaryadlanadi va zaryadsizlanadi.