E-Collar Technologies - BP37TR - Replacement Battery

LiPo 3.7V 400MAH Battery for ET-300 Series XMTR and RCVR   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   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.    Important Note: NOT COMPATIBLE WITH OLDER TS MODELS