Replacement Battery for Lenovo E420, E520, T520i & L520
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This high-capacity 4400mAh replacement battery provides reliable power for various Lenovo ThinkPad laptop models, including the E420, E520, T520i, and L520 series. Designed as an OEM-compatible alternative, it offers extended runtime for productivity and mobility with broad compatibility across multiple ThinkPad generations.
add_circle The Upside
- check Cost-effective alternative to original Lenovo batteries
- check Broad compatibility with many ThinkPad models
- check High capacity provides extended usage time
remove_circle The Downside
- close Unbranded/OEM compatible may have variable quality control
- close No manufacturer warranty like original Lenovo parts
- close May not provide identical performance to genuine Lenovo batteries
Specifications & features
Key features
- check_circle 4400mAh capacity for extended battery life
- check_circle Compatible with Lenovo ThinkPad E420, E520, T520i, L520 and numerous other models
- check_circle 11.1V voltage compatible with 10.8V systems
- check_circle Includes multiple compatible part numbers for easy identification
- check_circle Unbranded/OEM compatible design
Specifications
Part Numbers
42T4235, 42T4708, 42T4714, 42T4731, 42T4733, 42T4737, 42T4753, 42T4756 and others
Capacity
4400mAh
Voltage
11.1V (compatible with 10.8V)
Compatibility
Lenovo ThinkPad E420, E520, T520i, L520 and multiple other models
Other
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