NEW LINE OF ELITE LAPTOP BATTERIES: NinjaBatt is proud to present its new line of batteries NinjaBatt PRO - Our new replacement batteries use Premium battery cells and are made of the highest-quality materials for an overall life expectancy of over a 1000 charge cycles. Bring your laptop back to life. BUILT TO LAST WITH OVER A 1000 CHARGE CYCLES(!): Thats right. Forget about all the promising low cost laptop batteries out there. Our new 4 cell Li-ion battery is rated at 38Wh/2600mAh/14.8V. Combined with its A grade Premium cells and smart control chip, you can expect it out-perform, out-gun and out-last any battery out there! COMPATIBLE MODELS: 919681-221 919682-221 15-BS033CL 15-BS060WM 15-BS095MS 15-BS070WM 15-BS168CL 17-BS049DX TPN-C129 919701-850 14-BS153OD 15-BS061ST 15-BS080WM 15-BS192OD 15-BW032WM 15-BW033WM 15-BW053OD 17-AK012NR 17-BS061ST 14-BW065NR 15-BS038DX 15-BS051OD 15-BS062ST 15-BS076NR 15-BS158CL 15-BS