45N1025 (also known as 45N1020 / 45N1021 / 45N1024 / 45N1028 / 45N1029) is the high-capacity OEM replacement battery for Lenovo ThinkPad X230, X230i, X230S series. Available in 94Wh 9-cell (44++) and 63Wh 6-cell (44+) configurations. Rated at 11.1V, Li-ion. Note: X230T uses a different battery model — verify your model before ordering. Ships with a 1-year warranty and is 100% brand new.
The X230T and X230 use different battery models. Please verify your battery model is designed for the X230 before ordering.
Product Specifications
| Battery Model | X230 (45N1025 / 44++ Series) |
|---|---|
| Capacity (9-cell 44++) | 8400mAh / 94Wh |
| Capacity (6-cell 44+) | 5600mAh / 63Wh |
| Voltage | 11.1V |
| Battery Type | Li-ion |
| Cell Origin | Made in China |
| Color | Black |
| Condition | 100% Brand New — 1-Year Warranty |
Replace Part Numbers
- 45N1025
- 45N1024
- 45N1028
- 45N1029
- 45N1020
- 45N1021
Compatible Laptop Models
- ThinkPad X230 Series
- ThinkPad X230i Series
- ThinkPad X230S Series
Product Features
- Two Capacity Options: 94Wh 9-cell 44++ for maximum runtime or 63Wh 6-cell 44+ for standard replacement
- High-Capacity Design: Restores full ThinkPad X230 battery performance for business travel and mobile work
- OEM Replacement Quality: Meets or exceeds original Lenovo voltage, capacity, and safety specifications
- X230 Series Optimized: Designed specifically for X230, X230i, and X230S — not compatible with X230T
- Advanced Safety Protection: Multi-layer overcharge, over-discharge, short-circuit, and thermal protection
Why Choose This Battery
Engineered exclusively for the Lenovo ThinkPad X230 series. High-capacity 94Wh 9-cell configuration delivers all-day runtime for professionals and road warriors. Or choose the 63Wh 6-cell for a standard-profile replacement. Built-in BMS protection and OEM-grade quality ensure safe, reliable daily use. Backed by a 1-year warranty.