acer travelmate 290 291 29x 292 batcl50l

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acer travelmate 290 291 29x 292 batcl50l Compatible original Batteries :

• BATCL50L
• BATCL50L4

• Aspire 9010 Series
• Aspire 9100 Series
• Aspire 9100WLMi
• TravelMate 290 Series
• TravelMate 290D
• TravelMate 290E Series
• TravelMate 29X Series
• TravelMate 4050 Series
• TravelMate 4150 Series
• TravelMate 4650 Series
• TravelMate291

How to Charging the Li-ion acer travelmate 290 291 29x 292 batcl50l?

Claims of fast charging a Li-ion acer travelmate 290 291 29x 292 batcl50l 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 travelmate 290 291 29x 292 batcl50l, 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 batteries for acer travelmate 290 291 29x 292 batcl50l laptop 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 travelmate 290 291 29x 292 batcl50l and its protective circuit consume.

Use acer travelmate 290 291 29x 292 batcl50l needing attention some matters :
1. Carefulness read narrate book of battery,use commendatory battery.
2. Research the electric appliance and the acer travelmate 290 291 29x 292 batcl50l laptop batteries contact elements is whether clean, when necessity is clean with the wet cloth mop, after dry loads according to the correct polar direction.
3.When non-adult custody, don’t let the child replace the battery, compact battery like AAA should place the place which the child cannot attain.
4.Don't make new and old or different model battery put off.
5. Don't try to make acer travelmate 290 291 29x 292 batcl50l rebirth use hot up, charge,or other way.
6. Don't let battery short circuit.
7. Don't hot up laptop battery for acer travelmate 290 291 29x 292 batcl50l or loss it in water.
8. Don't strip battery.
9. Electro-adapter should cut switch after use.
10.Should take off acer travelmate 290 291 29x 292 batcl50l from adapter when battery long time no use .
11.Battery should stock in cool place,and dry.