Short info: Lenovo ThinkPad Battery 25+ - Laptop Battery - 1 x Lithium-Ion 6 cells 57 Wh - FRU - for ThinkPad Edge 35.60cm (14"), 38.10cm (15"), E420, E420s, E425, E520, E525, ThinkPad SL410, SL510 Group UPS & Power Supplies Manufacturer Lenovo Product Code. No. 42T4735 Model ThinkPad Battery 25+ EAN/UPC 5711783360629 Product Description: Lenovo ThinkPad Battery 25+ - Laptop Battery - Li-ion - 57 Wh Device Type Laptop Battery Weight 340 g Battery Lithium-ion 6 cells - 57 Wh No. of batteries 1. Batteries 1 Price Type Field Replaceable Unit (FRU) Dimensions (width x depth x height) 20.7 cm x 5.6 cm x 2 cm Designed for ThinkPad Edge 35.60cm (14"), 38.10cm (15"), E420, E420s, E425, E520, E525, ThinkPad SL410, SL510 Detailed specifications General Device type Laptop battery Quantity 1 Technology 6 cells Lithium-ion Capacity 57 Wh Miscellaneous Marking C-Tick, cUL, PSE Mark, ACA Price type Field Replaceable Unit (FRU) Environmental conditions Min. operating temperature 5 °C Max. operating temperature. Operating temperature.