This HP HSTNN-XB85 Laptop Battery is also compatible with the following models:
HP
EliteBook 6930p
EliteBook 8440p
EliteBook 8440w
ProBook 6440b
ProBook 6445b
ProBook 6450b
ProBook 6540b
ProBook 6545b
ProBook 6550b
ProBook 6555b
HP COMPAQ
Business Notebook 6530b
Business Notebook 6535b
Business Notebook 6730b
Business Notebook 6735b
Some questions about HP HSTNN-XB85 Battery
Q: Is it necessary to activate the new HP HSTNN-XB85 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 HSTNN-XB85 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 HSTNN-XB85 life.
Q: Is it right to unplug the HP HSTNN-XB85 when using the external laptop ac adapter?
A: It is unnecessary to do that. Rechargeable HP HSTNN-XB85 has anti-overcharge protection circuit inside. Therefore, when the replacement HP HSTNN-XB85 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 HSTNN-XB85 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 HSTNN-XB85 not charging.