NoMEM Li-Ion is the newest frontier in battery technology for power-hungry digital and high performance LCD type camcorders requiring a specially designed Lithium-Ion battery pack. It has the longest performance with no memory effect, highest quality Japanese made, original manufacturer approved protective circuit and it is 100% compatible with original equipment chargers.This battery replaces the JVC BN-V712U, 714U and RCA BC-40, BCD-40 batteries and is designed for JVC and RCA camcorders.