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How to do when your lenovo 45n1740 laptop battery won't charge

1, Please check the hardware at first:

  a, Clean the lenovo 45n1740 battery contacts. Try charging the laptop battery with the power off. Some laptops draw a lot of power -- so much so that they can't efficiently charge the battery and run demanding tasks at the same time. If the battery doesn't seem to be getting fully charged, shut down the laptop entirely and see how it goes.

  b, Try a deep charge. If the lenovo 45n1740 battery is in a bad state, you might be able to bring it back to life with a deep charge cycle. First, make sure it's complete discharged by running the laptop with the battery installed (and the AC adapter removed) until the laptop completely dies. Then charge the laptop overnight.

  c, If your original old battery still charges and discharges but your new replacement lenovo 45n1740 battery will not, the new battery may have run to 0% or it may be a defective unit. This may be an indication that you need to replace your AC Adapter. It is more difficult to charge a new battery than it is to charge an older "broken in" battery. If your AC adapter is not outputting the correct amount of power you can run your computer, and charge an old battery, but you may be unable to charge a brand new battery.

If neither battery will recharge, you are most likely experiencing a failure in the laptop charge system (AC adapter, charge port, or motherboard charge circuit).

2, Configuring and upgrading software:

  a, Make sure you're on the latest BIOS revision for your laptop. Windows system, you could also try a repair install and rule out a corrupt installation.

  b, Have a look at your power settings, open up your control panel, and head into the Power Options.
There are several settings in here, take a quick glance around to make sure that nothing looks out of place. The particular one to look out for is the setting that causes your laptop to shut down if your battery percentage drops to a certain low threshold.

  c, Update your drivers, open up the device manager, and under Batteries you'll find a number of entries.
There should usually be three, one for the battery itself, one for the charger and a third called 'Microsoft ACPI Compliant Control Method Battery'. Right click on all of these entries head into properties, then into the driver tab and find the 'Update Driver' button (This may also be found by just right clicking the entry and hitting 'Update driver software'). Once you've done this, restart your laptop and try plugging the charger in again.

If you try all of these troubleshooting steps and your battery is still not working properly, it's time to get a new battery.

Cheap 45n1740 11.4V,3 cell laptop batteries

1. original battery for lenovo 45n1740, 11.4 voltage, 3900 mAh, 3 cells, Li-ion laptop batteries

Cheap 45n1740 11.4V,3 cell laptop batteries
Click to view more pictures
Product ID: 1004197
Battery Type: Li-ion
Property: original battery [?]
Voltage: 11.4 V
Battery capacity: 3900 mAh (3 cell)
Color: Black
Warranty: 9 months

Lenovo 45n1740 laptop batteries can replace the following part number:

LENOVO
45N1740

45n1740 laptop battery is compatible with the following models :

LENOVO
T560-0CCD
T560-0DCD
T560-0FCD
T560-0HCD
T560-0JCD
T560-19CD
ThinkPad P50s(20FLA00DCD)
ThinkPad P50s(20FLA00ECD)
ThinkPad P50s(20FLA00FCD)
ThinkPad T550 20CJ0000
ThinkPad T550 20CJ0006AU
ThinkPad T550 20CJA00RAU
ThinkPad T550 20CJA02DAU
ThinkPad T550 20CJA03QAU
ThinkPad T550 20CJCTO1WW
ThinkPad T550 20CJS02P01
ThinkPad T550 20CJS04H00
ThinkPad T550 20CJS0G416
ThinkPad T550 20CJS0GQ00
THINKPAD T550 T(TYPE 20CJ)
THINKPAD T550 T(TYPE 20CK)
ThinkPad T550(20CJ-J0007AU)
ThinkPad T550(20CJ-J0008AU)
ThinkPad T550(20CJ-J0009AU)
ThinkPad T550(20CJ-J000DAU)
ThinkPad T550(20CJ-J000FAU)
ThinkPad T550(20CJ-J000HAU)
ThinkPad T550(20CJ-J000JAU)
ThinkPad T550(20CJ-J000KAU)
ThinkPad T550(20CJ-J000XAU)
ThinkPad T550(20CJ-J000YAU)
ThinkPad T550(20CJ-J0010AU)
ThinkPad T550(20CJ-J0011AU)
ThinkPad T550(20CJ-J0012AU)
ThinkPad T550(20CJ-J0013AU)
ThinkPad T550(20CJ-J0019AU)
ThinkPad T550(20CJ-J001AAU)
ThinkPad T550(20CJ-J001BAU)
ThinkPad T550(20CJ-J001CAU)
ThinkPad T550(20CJ-J001DAU)
ThinkPad T550(20CJ-J001EAU)
ThinkPad T550(20CJ-J001FAU)
ThinkPad T550(20CJ-J001GAU)
ThinkPad T550(20CJ-J001HAU)
ThinkPad T550(20CJ-J001JAU)
ThinkPad T550(20CJ-J001KAU)
ThinkPad T550(20CJ-J001LAU)
ThinkPad T550(20CJ-J001MAU)
ThinkPad T550(20CJ-J001NAU)
ThinkPad T550(20CJ-J001PAU)
ThinkPad T550(20CJ-J001QAU)
ThinkPad T550(20CJ-J001RAU)
ThinkPad T550(20CJ-J001SAU)
ThinkPad T550(20CJ-J001TAU)
ThinkPad T550(20CJ-J001UAU)
ThinkPad T550(20CJ-J001VAU)
ThinkPad T550(20CJ-J001WAU)
ThinkPad T550(20CJ-J001XAU)
ThinkPad T550(20CJ-JA002AU)
ThinkPad T550(20CJ-JA00BAU)
ThinkPad T550(20CJ-JA00DAU)
ThinkPad T550(20CJ-JA00EAU)
ThinkPad T550(20CJ-JA00GAU)
ThinkPad T550(20CJ-JA00RAU)
ThinkPad T550(20CJ-JA00VAU)
ThinkPad T550(20CJ-JA00WAU)
ThinkPad T550(20CJ-JA01AAU)
ThinkPad T550(20CJ-JA01HAU)
ThinkPad T550(20CJ-JA01QAU)
ThinkPad T550(20CJ-JA026AU)
ThinkPad T550(20CJ-JA027AU)
ThinkPad T550(20CJ-JA02AAU)
ThinkPad T550(20CJ-JA03QAU)
ThinkPad T550(20CJ-JA03YAU
ThinkPad T550(20CK-K000YAU)
ThinkPad T550(20CK-K0010AU)
ThinkPad T550(20CK-K0011AU)
ThinkPad T550(20CK-K0012AU)
ThinkPad T550(20CK-K0013AU)
ThinkPad T550(20CK-K0014AU)
ThinkPad T550(20CK-K0015AU)
ThinkPad T550(20CK-K0026AU)
ThinkPad T550(20CK-K0027AU)
ThinkPad T550(20CK-K0028AU)
ThinkPad T550(20CK-K0029AU)
ThinkPad T550(20CK-K002AAU)
ThinkPad T550(20CK-K002BAU)
ThinkPad T550(20CK-K002CAU)
ThinkPad T550(20CK-K002DAU)
ThinkPad T550(20CK-K002EAU)
ThinkPad T550(20CK-K002FAU)
ThinkPad T550(20CK-K002GAU)
ThinkPad T550(20CK-K002HAU)
ThinkPad T550(20CK-K002JAU)
ThinkPad T550(20CK-K002KAU)
ThinkPad T550(20CK-K002LAU)
ThinkPad T550(20CK-K002MAU)
ThinkPad T550(20CK-K002NAU)
ThinkPad T550(20CK-K002PAU)
ThinkPad T550(20CK-K002QAU)
ThinkPad T550(20CK-K002RAU)
ThinkPad T550(20CK-KA007AU)
ThinkPad T550(20CK-KA008AU)
ThinkPad T550(20CK-KA00AAU)
ThinkPad T560 20FH0001AU
ThinkPad T560 20FH0002AU
ThinkPad T560 20FH0004AU
ThinkPad T560 20FH000CAU
ThinkPad T560 20FH002SAU
ThinkPad T560 20FH002UAU
ThinkPad T560 20FH002VAU
ThinkPad T560 20FHA00XAU
ThinkPad T560 20FHA01CAU
ThinkPad T560 20FHA02UAU
ThinkPad T560 20FHCTO1WW
ThinkPad T560 20FJ000UAU
ThinkPad T560 20FJ000YAU
ThinkPad T560 20FJ0013AU
ThinkPad T560 20FJ0015AU
ThinkPad T560 20FJ001CAU
ThinkPad T560 20FJ001EAU
ThinkPad T560 20FJ001FAU
ThinkPad T560 20FJ001GAU
ThinkPad T560 20FJ001HAU
ThinkPad T560 20FJ002HAU
ThinkPad T560 20FJ002WAU
ThinkPad T560 20FJA00NAU
ThinkPad T560 20FJA02LAU
ThinkPad T560 20FJA042AU
ThinkPad T560 20FJA047AU
ThinkPad T560 20FJA08EAU
ThinkPad T560 20FJA08FNZ
ThinkPad T560 20FJCTO1WW
ThinkPad T560 20FJS09K0K
ThinkPad T560 20FJS09U00
ThinkPad T560 20FJS0KT00
ThinkPad T560 20FJS11C00
ThinkPad T560 20FJS12B0Q
ThinkPad T560 20FJS12M00
ThinkPad T560 20FJS19320
ThinkPad T560 20FJS1EJ00
ThinkPad T560 20FJS1EL00
ThinkPad T560 20FJS1HW00
ThinkPad T560 20FJS1N50W
ThinkPad T560 20FJS30U1S
ThinkPad T560 20FJS3S200
ThinkPad T560 20FJS3YD00
ThinkPad T560 20FJS42300
ThinkPad T560 20FJS45S00
ThinkPad T560 20FJS4CE00
ThinkPad T560 20FJS4D800
ThinkPad T560 20FJS4FU00
ThinkPad T560 20FJS4FV00
ThinkPad T560 20FJS4MS00
ThinkPad T560 20FJS4UY00
ThinkPad T560 20FJS4Y800
ThinkPad T560(20FH0019CD)
ThinkPad T560(20FHA00HCD)
ThinkPad T560(20FHA00JCD)

Lenovo 45n1740 laptop battery and other products you purchased from us are guaranteed!

  We warrant that the products sold in our website, other than explicitly stated, are 100% brand new and free from defects in material and workmanship.

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Shopping with us is safe and secure. None of our customers have ever reported fraudulent use of their credit cards as a result of shopping with us.When you purchase lenovo 45n1740 laptop batteries from us, You can be assured that the information you give us is confidential. We do not sell, rent or share information of our customers with other parties.

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How long will my lenovo 45n1740 batteries last?

The lifespan of a 45n1740 laptop batteries will vary considerably with how it is used, how it is maintained and charged, temperature, and other factors.

Does lenovo 45n1740 batteries self-discharge when not in use?

All batteries, include 45n1740 laptop batteries, regardless of their chemistry, self-discharge. The rate of self-discharge depends both on the type of laptop battery and the storage temperature the batteries are exposed to. However, for a good estimate, wet flooded deep cycle laptop batteries self-discharge approximately 4% per week at 80°F.

Disclaimer:
The 45n1740 laptop batteries and other products supplied by our Company are [replacement for] sold for use with certain product manufacturers, and any reference to products or trademarks of such companies is purely for the purpose of identifying the manufacturers with which our products [are replacement for] may be used. Our Company and this Web site are neither affiliated with, authorized by, licensed by, distributors for, nor related in any way to these manufacturers, nor are the products offered for sale through our web site manufactured by or sold with the authorization of the manufacturers with which our products [are replacement for] may be used.

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