The HP ProBook 4530s battery with 5200mAh capacity is a lithium-ion battery with a 6-cell design and a voltage of 10.8V. It provides around 2 hours of operation time, but this can vary depending on usage. The battery is designed to be compatible with HP ProBook models 4330s, 4331s, 4430s, 4431s, 4530s, 4535s, and PR06.