Laptop Battery HP 550 610 6720 Battery for HP Notebook 6720S 6730S 6730 6735S 6820S 6830S GJ655AA (10pc)

Replacement Laptop Battery for HP 550,COMPAQ 510, 511, 610,HP COMPAQ Business Notebook 6720s, 6720s/CT, 6730s, 6730s/CT, 6735s, 6820s, 6830s, 10.80V, 4400mAh, Li-ion. Specifications: Attention: For the new battery, we suggest all of our customers fully charge it by AC power adapter. Maybe it take a long period, the capacity was strain out by inner PCB circuit. In order to protect your battery life, you can fully charge it to 100% and drain to 2% ,it's a cycle and the capacity will recover. it's better to make normal use after 2 cycles and charge the battery regularly at least once a month. Battery Type: Li-ion; Voltage: 10.8V; Capacity: 4400mAh; Cells: 6-Cell; Color: Black 100% Brand New Cells. Rechargeable Up to 500 cycls over life of battery; High energy efficiency and extended battery life. Compatible with the following models:HP 550, HP COMPAQ Business Notebook 6720s, 6720s/CT, 6730s, 6730s/CT, 6735s, 6820s, 6830sCompatible with the following part numbers:451085-141, 451086-121,