4. Protection: built-in overcharge, overdischarge,overcurrent protection board, overheat protection IC board. No cell memory effect.
5. Applications: Compatible with Carrera rc mario kart, RC toys, including double-sided RC stunt cars, small RC boats, tumbling amphibious RC cars, RC trucks, NQD 1:14 remote control big monster cars and DE68 DE44 DE45W DE42 Remote Control Cars (PLEASE NOTE THE BATTERY SIZE AND CONNECT).