LB1 High Performance Battery for Acer Aspire One AO756-2420 - 6 Cell 18 Months Warranty LB1 High Performance&reg; battery for Acer Aspire One AO756 Series Series are environmentally friendly and certified by RoHS to be free from mercury - lead - cadmium - PBDE and PBBs. LB1 High Performance&reg; Commercial Grade Laptop Batteries for Acer Aspire One AO756 Series are custom manufactured to be 100% compatible and optimized for your Acer Aspire One AO756 Series laptop Acer Aspire One AO756 Series High Performance notebook battery utilizes high quality grade "A" cells for higher performance longer life and more reliability. Acer Aspire One AO756 Series High Performance meets and/or exceed OEM specification and will not void your original manufacturer warranty. Fast charging. Low power consumption. Built-in protection circuit ensures both safety and stability. Batteries capacity: 4400 mAh | Chemistry: Li-ion | Voltage: 11.1 Volts | Cells: 6 | wHr: 49. Acer Aspire One AO756 Series