Buy COMPAQ PRESARIO 2500 laptop battery? Here we offer you high quality,hi-capacity PRESARIO 2500 backup battery,Replacement read more »

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Li-ion comes partially charged. You can use the laptop battery right away and charge it when needed.it is better to recharge more often; avoid frequent full discharges.On batteries with a fuel gauge, allow a full discharge once a month to enable reset

1):When you prepare to charge for your Dell laptop battery ,make sure the temperature is around the room temperature.

2): Most battery can be fully charged in about 3 hours so do not leave a battery in a charger for a long time.
3): Do not charged to higher voltages than its threshold voltage ,as it would become unsafe. Especially need to pay attention is avoid over-charging and over-discharging.

4): Please notice this: It is not very distinct to reduce the charge time by increasing the charge current .

5)When your laptop adapter is working, it ca read more »

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Battery Type : Li-ion
Voltage : 14.80V
Capacity : 4400mAh
Color : Black
Dimension : 135.80 x 89.20 x 19.20 mm
Product Type : Replacement Battery (Brand New)
Condition : New, 1 year warranty!
Weight : 390.50g
PSE Code LBSAC027
Warranty : One year warranty

Fit Model:
Acer Aspire 9800 Battery Series
Aspire 9804WKMi, Aspire 9805WKHi

Acer Aspire 9810 Battery Series
Aspire 9813WKMi, Aspire 9814WKMi, Aspire 9814WKMib,
Aspire 9815WKMi, Aspire 9815WKHib

Acer TravelMate 2490 Battery Series
TravelMate 2492NLMi, TravelMate 2492WLMi, TravelMate 2493NWLMi,
Travelmate 2493W read more »

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Lithium iron phosphate batteries are used to make lithium-ion secondary batteries, and now the main direction is motive power batteries, to the relative NI-H, Ni-Cd batteries, it has a great advantage.