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Replacement for Acer Aspire 5742 Laptop Battery

Acer Aspire 5742 battery
  • Item Name: Replacement for Acer Aspire 5742 battery
  • Availability: In Stock
  • Condition: Brand New
  • Warranty: One Year Warranty
  • Guarantee: 30 Days Money Back
  • Capacity: 4400mAh 7800mAh
  • Volt: 10.8V
  • Color: Black
  • Usually ships in the same business day.
  • Can't find your laptop battery? Please feel free to contact us.
  • 10.8V 4400mAh Black
  • 10.8V 7800mAh Black
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Compatible part#
  • Acer 3ICR19/66-2
  • Acer 934T2078F
  • Acer AS10D31
  • Acer AS10D3E
  • Acer AS10D41
  • Acer AS10D51
  • Acer AS10D61
  • Acer AS10D71
  • Acer AS10D75
  • Acer BT.00603.111
  • Acer BT.00604.049
  • Acer BT.00606.008
  • Acer BT.00607.125
  • Acer BT.00607.127
  • Acer LC.BTP00.123
  • Acer LC.BTP00.127
  • Acer 31CR19/65-2
  • Acer 31CR19/652
  • Acer 31CR19/66-2
  • Acer AK.006BT.075
  • Acer AK.006BT.080
  • Acer AS10D
  • Acer AS10D73
  • Acer BT.00603.117
  • Acer BT.00603.124
  • Acer BT.00605.062
  • Acer BT.00605.065
  • Acer BT.00607.126
  • Acer BT.00607.130
Fit models
  • Acer Aspire 5742
  • Acer Aspire 4251
  • Acer Aspire 4252
  • Acer Aspire 4253
  • Acer Aspire 4253G
  • Acer Aspire 4333
  • Acer Aspire 4551
  • Acer Aspire 4551G
  • Acer Aspire 4552
  • Acer Aspire 4552G
  • Acer Aspire 4625
  • Acer Aspire 4733Z
  • Acer Aspire 4738
  • Acer Aspire 4738G
  • Acer Aspire 4738Z
  • Acer Aspire 4738ZG
  • Acer Aspire 4741
  • Acer Aspire 4741G
  • Acer Aspire 4741Z
  • Acer Aspire 4741ZG
  • Acer Aspire 4750G
  • Acer Aspire 4771
  • Acer Aspire 4771G
  • Acer Aspire 5251
  • Acer Aspire 5252
  • Acer Aspire 5253
  • Acer Aspire 5336
Note: We don't list the all compatiable laptop models, click here to see more >>>.
Battery Tips: How to optimize power on your laptop
  1. Keep your Acer Aspire 5742 laptop battery cool - Laptop batteries are always going to slowly lose their ability to charge over time, but when a laptop is constantly overheating or used in a very hot environment, your battery is going to die very quickly.
  2. turning down the brightness on your screen, decreasing the amount of display time that elapses before your screen dims and djusting your power plan.
  3. Keep it clean - A laptop with blocked air vents will generate more heat thus reducing the life of the battery. Clean the air vents regularly to keep operating temperatures low. Allow for open space around the vents for air to circulate freely. Keep the area around the laptop clean to avoid entry of dust.
  4. Carry a spare - Buying an extra Acer Aspire 5742 battery is a good investment for your peace of mind. Battery prices vary widely. You can significantly increase the power available to you if you're willing to splurge a little. You can order a replacement battery here with cheap price.
  5. Remove the battery if the notebook will be plugged into AC power continuously (via a wall adapter or docking station) for more than 2 weeks.