HP KC991AA Laptop Battery - Replacement

Q: Is it necessary to activate the new HP KC991AA batteries?
A: Yes, it is. It generally takes more than 10 hours to activate the newly bought battery each time. And it could be fully activated after repeat 3-5 times.

Q: how to properly charge the HP KC991AA laptop battery?
A: any time is available. The best time to charge is when the laptop automatically shut down .Each time for charging and discharging is fully developed, which is good to extend the HP battery KC991AA life.

Q: Is it right to unplug the HP KC991AA when using the external laptop ac adapter?
A: It is unnecessary to do that. Rechargeable HP KC991AA has anti-overcharge protection circuit inside. Therefore, when the replacement HP KC991AA notebook battery is fully charged, it will not be harmed; what is more, once the power were cut off after the battery is removed, it would have bad effect on the laptop itself.

Q: How to properly maintain the HP KC991AA replacement battery that is not used for a long time?
A: The battery should be kept with full power at room temperature,when not used for a long-term. Because internal components would deplete part of the power, the electricity could reduce when placed for some time. It is recommended to recharged the battery after saving the battery for 1-2 months in order to prevent the voltage being too low to lithium-ion HP KC991AA not charging.