Estry

Battery for AEG 900273786 AG3101 900273793 900273794 AG3103 900940836 CX7-21DB 900940837 CX7-21EB 900940841 00 900940842 900940851 CX7-21EBK 900940852 CX7-21SW 900940864 900940866 CX7-21-HO CX7

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.

$35.99 USD

~~$0.00 USD~~ $35.99 USD

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Title 2500mAh

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

This is a 2500mAh 10.8V Li-ion replacement battery for AEG 900273786, AG3101 and more.

Battery Specifications

Type:	Li-ion
Weight:	225.0g
Dimension:	100.091.241.6mm
Category:	Vacuum
Voltage:	10.8V
Rate:	27.00Wh

Compatible Brand

AEG

Compatible Model

900273786
AG3101
900273793
900273794
AG3103
900940836
CX7-21DB
900940837
CX7-21EB
900940841 00
900940842
900940851
CX7-21EBK
900940852
CX7-21SW
900940864
900940866
CX7-21-HO
CX7

⚠ 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.