E-Collar Technologies Li-PO Replacement Battery

Genuine E-Collar Technologies Available in 300mAh, 400mAh and 720mAh Lithihium Ion replacement batteries [split] OEM replacement Li-PO batteries for E-Collar Technologies Educator electronic dog collars. Li-Po 3.7V 300 mAH BL-100 Bark Limiter BP-504 Barkless Pro RX-090 Receiver ET 300 Receiver ET 400 Receiver Li-Po 3.7V 400 mAH ET-300/302 Transmitter EZ-900 Receiver PE-900 Receiver 300TS Receiver / Transmitter Li-Po 3.7V 720 mAH ET-400/402 Transmitter ET-800/802 Transmitter RX-120 Receiver HP-TX (Standard / Large Size Round Transmitter) EZ-900 Transmitter PE-900 Transmitter