Dell Studio 1558 battery reviews: 7800mAh 5200mAh 85WH 6600mAh 11.1V Dell Studio 1558 laptop battery and ac adapter Dell Studio 1558 charger power supply laptop models/PN: Dell Studio 1558, Studio PP33L, Studio PP39L, WU946, MT264, extended battery life. 7800mAh Dell Studio 1558 battery Replacement Dell Studio 1558 battery 7800mAh, spare Dell battery Studio 1558 for business and entertainment. The battery is a special design and raises one end of the laptop when it is installed. Extended battery life up to 4.5 hours. www.dell-laptop-batteries-adapter.co.uk/dell-studio-1558.html