Estry

Battery for Educator ET-300Receiver ET-302Receiver ET-300-LReceiver ET-302-LReceiver ET-400Receiver ET-402Receiver EZ-900Receiver EZ-902Receiver EZ-903Receiver EZ-904Receiver PE-900Receiver PE-902Receiver PE-903Receiver RX-090Receiver ET-300Transmitter ME

Q: How do I confirm this battery fits my device?

Match your device against the Compatible Model list, or compare the part number printed on your original battery. Still unsure? Email us with your battery details or photos and we will help you confirm.

$17.99 USD

~~$0.00 USD~~ $17.99 USD

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Title 300mAh

12-Month Warranty30-Day Easy ReturnsShips from US in 48hUN38.3 & ISO9001 Certified

This is a 300mAh 3.7V Li-Polymer replacement battery for Educator ET-300Receiver, ET-302Receiver and more, compatible with battery part numbers PL-711828, PL-711828N, BL-100 and more.

Battery Specifications

Type:	Li-Polymer
Weight:	31.0g
Dimension:	30.218.247.2mm
Category:	Dog Collar
Voltage:	3.7V
Rate:	1.11Wh

Compatible Brand

Educator

Compatible Model

ET-300Receiver
ET-302Receiver
ET-300-LReceiver
ET-302-LReceiver
ET-400Receiver
ET-402Receiver
EZ-900Receiver
EZ-902Receiver
EZ-903Receiver
EZ-904Receiver
PE-900Receiver
PE-902Receiver
PE-903Receiver
RX-090Receiver
ET-300Transmitter
ME-300Transmitter
300TSTransmitter

Compatible Battery Part Number

PL-711828
PL-711828N
BL-100
BP-504
BP37TR

⚠ Safety Warnings

Do not disassemble, puncture or modify the battery.
Never short-circuit the terminals or expose to heat / fire.
Do not mix with different batteries or chargers.
Recycle used batteries at designated collection points.

Why Choose Estry

✓ Grade A Cells — Premium cells with stable discharge and low self-discharge.

✓ Real Capacity — Capacity tested to match or exceed the original battery.

✓ Strict QC — Every battery passes charging/discharging and safety checks.

UN38.3 tested for safe transport. MSDS available upon request. Manufactured in an ISO9001 certified facility.

FAQ

How do I confirm this battery fits my device?

Match your device against the Compatible Model list above, or compare the part number printed on your original battery. Still unsure? Email us with your battery details or photos and we will help you confirm.

What is the warranty policy?

This battery is covered by a 12-month warranty against manufacturing defects, plus 30-day easy returns for peace of mind.

How fast will my order arrive?

In-stock orders ship from our US warehouse within 48 hours on business days.