Ecollar Technologies 400mah battery

Replacement battery for: 300/302TS Handheld Transmitter 300/302TS Collar Receiver ET-300/302 Handheld Transmitter ET-300/302-A Collar Receiver PG-300/302 Handheld Transmitter PG-300/302 Collar Receiver ET-400/402-A Collar Receiver FT-330/332 Handheld Transmitter EZ-900/902/903/904-R Collar Receiver PE-900/902/903-R Collar Receiver