V7's high-quality replacement notebook batteries are made from the highest-quality cells available & incorporate all of the standard logic boards, thermal protectors, thermistors & circuit breakers to ensure maximum levels of safety, reliability & efficiency. V7's wide selection is compatible with top-line products from all major manufacturers & meets or exceeds original OEM specifications to provide longer-lasting quality & no memory effect. Features Technology Lithium Ion Voltage Provided 11.1 V Cells 6 Capacity 4500m Ah Compatible with: Acer Aspire 5310 5520 5710 OEM Manufacturer Equivalent Acer AS07B31, Acer BT.00603.042, Acer BT.00603.018