Amstron's 6 Cell Lenovo FRU 92P1186 Laptop replacement Battery is rated at 10.8 V, 4400 mAh, 48 Whr. This replacement Battery for Lenovo FRU 92P1186 is 100 compatible and will meet or exceeds original specification. This FRU 92P1186 replacement battery made by Amstron has been tested for safety and designed for high performance.