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