Battery for Acer Aspire 3820,4745,4745G,5820 (AS10B71,AS10B31)
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This high-capacity 4400mAh replacement battery is designed for select Acer Aspire and TimelineX laptops, including models 3820, 4745, 4820, 5820, and more. It delivers reliable power with 11.1V output, ensuring your laptop stays productive throughout the day. Compatible with original part numbers AS10B31, AS10B71, and many others, this battery is a cost-effective alternative to the OEM unit.
add_circle The Upside
- check Long battery life for all-day use
- check Wide compatibility with many Acer laptop models
- check Cost-effective alternative to original Acer battery
remove_circle The Downside
- close Not an original Acer battery, may have slightly lower quality control
- close Compatibility list may not include all variants; verify model number
- close Battery capacity may degrade over time like all lithium-ion batteries
Specifications & features
Key features
- check_circle 4400mAh high capacity for extended runtime
- check_circle 11.1V voltage compatible with Acer Aspire and TimelineX series
- check_circle Replaces multiple original models: AS10B31, AS10B71, AS10B41, etc.
- check_circle Compatible with Acer Aspire 3820, 4745, 4820, 5820, 5745, and more
- check_circle Includes necessary connectors and protection circuitry
Specifications
Capacity
4400mAh
Cell Type
Li-ion
Compatible Models
Acer Aspire 3820, 4745, 4820, 5820, 5745, 5000, 5553, 5625, 7250, 7739, 7745, and TimelineX series
Compatible Part Numbers
AS10B31, AS10B71, AS10B41, AS10B51, AS10B61, AS10B73, AS10B75, AS10B7E, AS10E7E, etc.
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