HP HY04 Li-ion Replacement Laptop Battery 4Cell 14.8V 41Wh 2200mAh, 717861-421

HP HY04 4Cell Replacement Laptop/Notebook Battery, 717861-421    HP 717861-421 Li-Polymer Replacement Notebook/Laptop Battery 14.8V 2200mAh (4 cells) is totally compatible with the original manufacturer's specifications. Through tested, all our Li-ion replacement batteries for HP 717861-421 have been certified to meet and even exceed the original battery performance.   Except for being designed under the supreme control criterion, the high-quality replacement HP 717861-421 laptop battery carries with a smart interior circuit board that provides battery-unbalanced-shut-off protection, thermal-runaway protection, overcharged protection, over-discharged-shut-off protection, and high/low-temperature-shut-off protection. Besides, the battery contains free lead, mercury and other environmental metal pollutants. It is compliance with international standards. This replacement HP 717861-421 battery can be charged/discharged up to more than 600-800 cycles.   Compatible HP Battery Part Number 7