Replacement Battery Specification
- Battery Model: X220T
- Capacity: 63Wh / 5600mAh
- Voltage: 11.1V
- Battery Type: Li-ion
- Cell: Made in China, high quality guarantee
- Color: Black
- Condition: Replacement Battery (100% Brand New, 1-year warranty!)
Replace Part Number
- 42T4881
- 42T4882
- 42T4877
- 42T4878
Compatible Laptop Model
- For Lenovo ThinkPad X220T Series
Notice: This battery is NOT compatible with Lenovo ThinkPad X230T, X220, X220i, or X220s.
Product Features
- 100% brand new replacement battery, rigorously tested for safety and performance
- High-capacity 63Wh / 5600mAh Li-ion cells for all-day business and tablet use
- Built-in smart protection circuit: overcharge, over-discharge, and short-circuit protection
- Plug-and-play compatibility — no drivers or software required
- Meets or exceeds original Lenovo ThinkPad manufacturer specifications
- 1-year warranty and dedicated customer support
Why Choose This Battery
This X220T replacement battery is purpose-built for Lenovo ThinkPad X220T tablet laptop users who need reliable, long-lasting power for professional workloads in both laptop and tablet modes.
Key Benefits
- Precise fit for ThinkPad X220T convertible tablet series
- Stable 11.1V output for consistent business-class performance
- Advanced BMS for safe, stable charging cycles
- Drop-in replacement with no modification required
- Cost-effective alternative to OEM replacement