Estry

Battery for Educator ET-400 Transmitters ET-402 Transmitters K9-400 Transmitters K9-402 Transmitters ET-800 Transmitters ET-802 Transmitters K9-800 Transmitters K9-802 Transmitters EZ-900 Transmitters EZ-902 Transmitters EZ-903 Transmitters EZ-904 Transmi

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.

$18.99 USD

~~$0.00 USD~~ $18.99 USD

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Title 700mAh

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

This is a 700mAh 3.7V Li-Polymer replacement battery for Educator ET-400 Transmitters, ET-402 Transmitters and more, compatible with battery part numbers PL-752544, BN720LP.

Battery Specifications

Type:	Li-Polymer
Weight:	39.0g
Dimension:	42.2526.07.3mm
Category:	Dog Collar
Voltage:	3.7V
Rate:	2.59Wh

Compatible Brand

Educator

Compatible Model

ET-400 Transmitters
ET-402 Transmitters
K9-400 Transmitters
K9-402 Transmitters
ET-800 Transmitters
ET-802 Transmitters
K9-800 Transmitters
K9-802 Transmitters
EZ-900 Transmitters
EZ-902 Transmitters
EZ-903 Transmitters
EZ-904 Transmitters
PE-900 Transmitters
PE-902 Transmitters
PE-903 Transmitters
UL-1200 Transmitters
UL-1202 Transmitters
WF-1200 Transmitters
WF-1202 Transmitters
RX-120 Receiver
400 Transmitters
800 Transmitters
1200 Transmitters
800 Receivers
1200 Receivers

Compatible Battery Part Number

PL-752544
BN720LP

⚠ 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.