Estry

Battery for Panasonic EZ3741 EZ3743 EZ3744 EZ4641 EZ4544 EZ3740 EZ4543 EZ4541 EZ4640 EZ7840 EZ4540 EZ4542 EZ7542 EZ7440 EZ7441 EZ7442 EZ7940 EZ7540 EZ7543 EZ7544 EZ7546 EZ7545 EZ7541 EZ7547 EZ9L40 EZ9L41 EZ9L42 EZ9L44

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.

$53.99 USD

~~$0.00 USD~~ $53.99 USD

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Title 3000mAh

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

This is a 3000mAh 14.4V Li-ion replacement battery for Panasonic EZ3741, EZ3743 and more, compatible with battery part numbers EZ9L40, EZ9L41, EZ9L42 and more.

Battery Specifications

Type:	Li-ion
Weight:	732.0g
Dimension:	136.080.060.0mm
Category:	Power Tools
Voltage:	14.4V
Rate:	43.20Wh

Compatible Brand

Panasonic

Compatible Model

EZ3741
EZ3743
EZ3744
EZ4641
EZ4544
EZ3740
EZ4543
EZ4541
EZ4640
EZ7840
EZ4540
EZ4542
EZ7542
EZ7440
EZ7441
EZ7442
EZ7940
EZ7540
EZ7543
EZ7544
EZ7546
EZ7545
EZ7541
EZ7547

Compatible Battery Part Number

EZ9L40
EZ9L41
EZ9L42
EZ9L44

⚠ 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.