Battery Energy+ brand Li-Ion 8 cell for Acer Aspire 3100, 3650, 3690, 5100, 5110, 5610, 5620, 5630, 5650, 5680, 9100, 9500 and Extensa 5010, 5200, 5410, 5510 and TravelMate 290, 2350, 2450, 2490, 4050, 4150, 4200, 4230, 4260, 4280, 4650, 5210, 5510 Series replaces part numbers BATBL50L8H, BATCL50L, BT.00803.005, BT.T3504.001, BT.T3506.001 "14.8V 4300mAH Fully Charged and Tested 1 year Warranty"