Kuba umthamo webhetri, ukuxhathisa ngaphakathi, i-voltage kunye nezinye izinto ezixabisekileyo zeparamitha aziguquli ngokupheleleyo, lo mahluko obangela ukuba umthamo omncinci onokuthi ubekekeke ngokulula emva komonakalo, engena kumjikelezo ombi. Ukusebenza kwebhetri enye kuchaphazela ngokuthe ngqo intlawulo kunye nokukhupha iimpawu zebhetri kunye nokuncitshiswa kwebhetri kwibhetri ye-5 ye-BMS esebenzayo. Ikhonkco lokugcina, ukuqinisekisa ukungqinelana kwebhetri kowona mgangatho mkhulu, phucula indawo yobomi bebhetri kwaye ulibazise ukwaluphala kwebhetri.