A:Answer Hello, thank you for your inquiry! We do not state an exact runtime on batteries, due to battery life varies depending on your usage and settings. You may compare the mAh rating of the replacement battery, to the mAh rating of your original battery to know if you are purchasing a battery that has more, the same, or lease runtime than your original battery. Replacement battery #LBDLLD5CLX has a mAh rating of 4400. If you have any further questions, please let us know! Thank you