Estry

Battery for Omron C20 C20P C20PF C28P C28PF C40P C40PF C50K C60K C60P C60PF C120 C120F C500 C500F C1000H C1000HF C2000H CQM1 CV500 CV1000 CV1M CVM1D GT600 3G2A9-BAT08 C500-BAT08

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.

$22.99 USD

~~$0.00 USD~~ $22.99 USD

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Title 2700mAh

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

This is a 2700mAh 3.6V Li-MnO2 replacement battery for Omron C20, C20P and more, compatible with battery part numbers 3G2A9-BAT08, C500-BAT08.

Battery Specifications

Type:	Li-MnO2
Weight:	95.0g
Dimension:	51.218.917.1mm
Category:	PLC
Voltage:	3.6V
Rate:	9.72Wh

Compatible Brand

Omron

Compatible Model

C20
C20P
C20PF
C28P
C28PF
C40P
C40PF
C50K
C60K
C60P
C60PF
C120
C120F
C500
C500F
C1000H
C1000HF
C2000H
CQM1
CV500
CV1000
CV1M
CVM1D
GT600

Compatible Battery Part Number

3G2A9-BAT08
C500-BAT08

⚠ 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.