High quality HP HSTNN-UB21 Batteries for HP ProBook 6360b 6460b 6560b wholesale or retail in thelaptopbattery.co.uk, HSTNN-UB21 laptop battery is guaranteed to meet or exceed HP original specifications, buy HSTNN-UB21 batteries get 30% off.
CC06, CC06X, CC06XL, CC09, QK639AA, QK640AA, QK642AA, QK643AA, HSTNN-CB2F, HSTNN-F08C, HSTNN-F11C, HSTNN-I90C, HSTNN-I91C, HSTNN-LB2F, HSTNN-LB2G, HSTNN-LB2H, HSTNN-LB2I, HSTNN-UB21, HSTNN-W81C, 628368-351, 628368-741, 628369-421
1.Carefulness read narrate book of battery,use commendatory battery.
2.New laptop battery pack must be fully charged before use.
3.New HP HSTNN-UB21 battery needs to be fully charged and discharged (cycled) a few times before it can condition to full capacity.
4.Rechargeable batteries undergo self-discharging when left unused. Always store a HSTNN-UB21 battery pack in a fully charged stage for storage.
5.Fully drain and fully recharge your battery pack every few month.
6.Li-ion and NiMH battery can not interchangeable.
7.Turn down the LCD brightness of your portable device.
8.Use built-in power management on your portable device.
9.Turn off LCD or other unnecessary accessories when not in use.
10.Set screen saver blank to 1 to 2 minutes of your HP HSTNN-UB21 notebook.
11.It is normal to get warm when charging or normal use. If it is getting too hot, there may be a problem with the device and qualified personnel should check it.
12.Research the electric appliance and the HP HSTNN-UB21 Batteries contact elements is whether clean, when necessity is clean with the wet cloth mop, after dry loads according to the correct polar direction.
13.HSTNN-UB21 laptop battery of HP should stock in cool place, and dry.