Replacement Laptop Notebook Battery for HP ProBook 4510s 4515s 4710s 4720s HSTNN-IB88 (10pc)

Replacement Battery for 513129-361 513130-321 535753-001 535808-001 572032-001 Compatible for HP Probook 4510s 4710s 4720s 4515s Series HSTNN-1B1D HSTNN-I60C 591998-141 593576-001 HSTNN-OB89 HSTNN-XB89 -12 Months Warranty. 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:ProBook 4510s, ProBook 4510s/CT, ProBook 4515s, ProBook 4515s/CT, ProBook 4710s, ProBook 4710s/CT, P