Chifukwa chakuti batri, kukana kwamkati, magetsi ndi zinthu zina zomwe zimaphatikizika, kusiyana kumeneku kumayambitsa matendawa atawonongeka, kulowa pachimake. Kugwiritsa ntchito batire limodzi kumakhudza mwachindunji ndi kupezeka kwa batri yonse ndikuchepetsa batire la batri, zomwe sizikuyenda bwino kwambiri. Njira, Mphamvu zimasinthidwa kudzera mu ulalo wosungira mphamvu, kuti zitsimikizire kuti batire ku battery ikuyenda bwino kwambiri, kusintha kwa batire mileage ndikuchedwa kubereka batire.