Laptop Battery RW556AA for HP EliteBook 2530P 2540P / HP COMPAQ Business 2400 2510P NC2400 (10pc)

New Laptop Battery for HP EliteBook 2530P 2540P HP COMPAQ Business Notebook 2400 2510P NC2400, for 411126-001 412779-001 HSTNN-DB21 HSTNN-FB22 -  [6-Cell 4400mAh] 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: 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:EliteBook 2530p, EliteBook 2540p, 2533t Mobile Thin Client, Compaq Business Notebook 2400, Compaq Business Notebook 2510p, Compaq Business N