Laptop Battery for Acer BTP-AQJ1 Aspire 5540, New Laptop Battery for Acer 2420 3620 BTP-ARJ1 (10pc)

11.1V,4400mAh,Li-ion, Replacement Laptop Battery for ACER Aspire 5560 5590, Extensa 3100, 4130, 4220, 4230, 4420, TravelMate 4320, 4330, 4335, 4520, 4720, 6452. 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: 11.1V; 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:ACER Extensa 3100, 4130, 4220, 4230, 4420, TravelMate 4320, 4330, 4335, 4520, 4720, 6452, ACER Aspire 2420, 2920, 2920Z, 3620, 4620, 5540, 5550, 5560 Series, ACER