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HP COMPAQ
320 BUSINESS NOTEBOOK 321 BUSINESS NOTEBOOK 325 BUSINESS NOTEBOOK 326 BUSINESS
NOTEBOOK
420 BUSINESS NOTEBOOK 421 BUSINESS NOTEBOOK 425 BUSINESS NOTEBOOK 620 BUSINESS
NOTEBOOK
621 BUSINESS NOTEBOOK 625 BUSINESS NOTEBOOK
ProBook 4320 ProBook 4320s ProBook 4320t ProBook 4321
ProBook 4321s ProBook 4325s ProBook 4326s ProBook 4420s
ProBook 4421s ProBook 4425s ProBook 4520 ProBook 4520s
ProBook 4525s
1.Carefulness read narrate book of battery,use commendatory battery.
2.New laptop battery pack must be fully charged before use.
3.New HP 592909-421 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 592909-421 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 592909-421 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 592909-421 Batteries contact elements is whether clean, when necessity is clean with the wet cloth mop, after dry loads according to the correct polar direction.
13.592909-421 laptop battery of HP should stock in cool place, and dry.