Replacement Laptop Battery for HP ProBook 4410s, 4411s, 4415s, fit P/N HSTNN-DB90 (10pc)

10.8V,4400mAh,Li-ion,Hi-quality Replacement Laptop Battery for HP 4410t Mobile Thin Client, ProBook 4410s, ProBook 4411s, ProBook 4415s, ProBook 4416s, , 4416s, 4410t, Compatible Part Numbers: 513128-251, 513128-361, 535806-001, HSTNN-DB90, HSTNN-XB90, NZ374AA, HSTNN-OB90. 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:4410t Mobile Thin Client, ProBook 4410s, ProBook 4411s, ProBook 4415s, ProBook 4416sCompatible with the following part numbers:513128-251, 513128-261, 513128-321, 513128-361, 535806-001, 536418-001, 572032-001, HSTNN-DB90, HSTNN-I60C-4, HSTNN-I61C-4, HSTNN-OB90, HSTNN-XB90, NBP6A158, NBP6A158B1, NZ374AA, NZ374AA#ABA, ZP06, ZP06047 Note: Not all P/N & compatible models are listed here.