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How to Charging the Li-ion laptop battery?
Claims of fast charging a Li-ion Acer 19V 3.42A 65W 5.5MM*2.5MM Battery in one hour or less usually results in lower charge levels. Such a charger simply eliminates stage two and goes directly into 'ready' once the voltage threshold is reached at the end of stage one. The charge level at this point is about 70%. The topping charge typically takes twice as long as the initial charge.
Depending on the charger and the self discharge of the Acer 19V 3.42A 65W 5.5MM*2.5MM battery charger, a topping charge may be implemented once every 500 hours or 20 days. Typically, the charge kicks in when the open terminal voltage drops to 4.05 volts per cell and turns off when it reaches 4.20V/cell.
No trickle charge is applied because the Li-ion Laptop AC Adater for Laptop AC Adater is unable to absorb overcharge. Trickle charge could cause plating of metallic lithium, a condition that makes the cell unstable. Instead, a brief topping charge is applied to compensate for the small amount of self-discharge the Acer 19V 3.42A 65W 5.5MM*2.5MM Laptop AC Adater and its protective circuit consume.
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http://www.batterylaptoppower.com/laptop-ac-adapter/acer/aspire-5920.htm
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acer aspire 5920 Adapter Customer rating :
Volt :19V
Current :3.42A
DC Size :5.5*2.5(mm)
Condition : Brand New
Availability : In Stock
Special Price : $ 20.31
Acer aspire 5920 Adapter can replace the following part numbers:
PA-1700-02
ADP-65DB
LC-T2801-006
PA3396U-1ACA
PA3467U-1ACA
PA-1650-01
PA-1600-06D1
PA-1480-19Q
Acer aspire 5920 Adapter can replace the following models:
1350
1360
1500
1520
1600
1610
1620
1670
1680
2003
2010
2020
3004
3004LCI
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