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: 11.1V Capacity: 43WH Cells: 3-cell Color: Black; works with DELL Inspiron 5445 5447 5448 5545 5547 5548,Inspiron I4-5447 I5-5547 N5447 N5547;Latitude 14 3450, Latitude 15 3550, Latitude 3450 3550;Inspiron 15 5000 Maple 3C Series .