High Performance 7800mAh 11.1V 9 cells Laptop Battery for Dell Studio 1536 1537 1555 Series, fits 312-0701 312-0702 A2990667 KM904 KM905 KM958 KM965 MT264 MT276 PW773 WU946 WU960 WU965 High Performance 7800mAh 11.1V 9 cells Laptop Battery for Dell Studio 1535 Series Dell Studio 1536 Series. Pls study the product desription below to make sure your original battery and laptop meet the compatibility of both the part # and models. We are direct from manufacturer and all batteries are made of A grade cells. Shipping from OHIO, USA, 2 to 6 days delivery guarantee. High capacity battery certified by CE and RoHS. 100% OEM compatible! Warranty: 30-day money back & 1-year guarantee!