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

RX-050  Collar Receiver

Note: If you have an RX-090 Collar Receiver you will need the   LIPO 3.7V 300MAH BATTERY

Model will be located in between the two contact points of the collar receiver and under the rear skin for the handheld remote.