BTI 11.6V 4850mAh Replacement Battery for Select HP Laptops - TT03XL-BTI

Lithium-polymer replacement battery with 4850 mAh capacity and 11.6 V DC output.You may also like Battery Technology Inc. BTI 3-Cell 11.52V 57 Whr Lithium Ion Laptop Battery for Lenovo — 01AV479-BTI.