• Genuine E-Collar Technologies
• Available in 300mAh, 400mAh and 720mAh
• Lithihium Ion replacement batteries

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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