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1. LENOVO 42T4751 Replacement Laptop Battery Li-ion 11.1V 5200mAh NLVTPE404400B6CAD $ 48.87

2. Genuine LENOVO 42T4751 Battery Li-ion 14.4V 32Wh, 2.2Ah NIBSL4102200B8CAD $ 56.89

3. Genuine LENOVO 42T4751 Battery Li-ion 10.8V 94Wh, 8.7Ah NLV45N117394WHB9CAD $ 88.86

Canada LENOVO 42T4751 Replacement Laptop Battery 5200mAh 11.1V Black Li-ion

  • Item Number: NLVTPE404400B6
  • Battery Type: Li-ion
  • Battery Voltage: 11.1V
  • Battery Capacity: 5200mAh
  • Battery Color: Black
  • Size: 205 x 51 x 20mm
  • Cells Amount: 6-Cells
  • Battery Cell Quality: Grade A
  • Description:New, 1 Year Warranty
  • Total Sale: 502 Sold

New, 1 Year Warranty!
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  • An email include order detais will be sent out after you check out.
  • Tracking order is easy: with order id and email address, You can get the delivery time, the Tracking Number, the Tracking Url on our site any time . (Tracking order >>)
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LENOVO 42T4751 Battery 5200mAh 11.1V Black Li-ion
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42T4751 Battery, Canada LENOVO 42T4751 Laptop Battery, 5200mAh, 11.1V, Black , Li-ion
  • In Stock
  • Original price: CAD $ 82.14
  • Local Price:
    CAD $ 48.87
    ( Updated: Jun 2019 )
  • You Save: CAD $ 33.27

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(Free Shipping, 9~17 Days In Canada)

canada certified item for Canada LENOVO 42T4751 Replacement Laptop Battery 5200mAh 11.1V Black Li-ion
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Canada Genuine LENOVO 42T4751 Battery 32Wh, 2.2Ah, 14.4V, Black , Li-ion

  • Item Number: NIBSL4102200B8
  • Battery Type: Li-ion
  • Battery Voltage: 14.4V
  • Battery Capacity: 32Wh, 2.2Ah
  • Battery Color: Black
  • Cells Amount: 4-Cells
  • Battery Cell Quality: Grade A
  • Description:Original / Genuine Battery - 1 Year Warranty
  • Total Sale: 492 Sold

New, 1 Year Warranty!
30-Days Money Back!
High quality battery cells extend laptop's life
Fast Shipping!

"Ctr + D " Add This Page To Favorite . Bookmark and share this page, so you can find this product easily next time
* Please ensure the product(s) that you are going to buy fits the brand, model and part number of your device.

Add to cart---->Fill Shipping Information ---->Check out ---->Finish Order

  • An email include order detais will be sent out after you check out.
  • Tracking order is easy: with order id and email address, You can get the delivery time, the Tracking Number, the Tracking Url on our site any time . (Tracking order >>)
  • We accept payment: Debit Card, Credit Card, Paypal Credit, Paypal Account, Visa, Mastercard,JCB...
LENOVO 42T4751 Battery 32Wh, 2.2Ah 14.4V Black Li-ion
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42T4751 Battery, Canada LENOVO 42T4751 Laptop Battery, 32Wh, 2.2Ah, 14.4V, Black , Li-ion
  • In Stock
  • Original price: CAD $ 98.18
  • Local Price:
    CAD $ 56.89
    ( Updated: Jun 2019 )
  • You Save: CAD $ 41.29

Your Machine Model:*


(Free Shipping, 9~17 Days In Canada)

canada certified item for Canada Genuine LENOVO 42T4751 Battery 32Wh, 2.2Ah, 14.4V, Black , Li-ion
Accept Paypal / Credit / Debit Card !
Accept canada payment of this item

Canada Genuine LENOVO 42T4751 Battery 94Wh, 8.7Ah, 10.8V, Black , Li-ion

  • Item Number: NLV45N117394WHB9
  • Battery Type: Li-ion
  • Battery Voltage: 10.8V
  • Battery Capacity: 94Wh, 8.7Ah
  • Battery Color: Black
  • Size: 219.00 x 72.50 x 20.90mm
  • Weight: 467g
  • Cells Amount: 9-Cells
  • Battery Cell Quality: Grade A
  • Description:Original / Genuine Battery - 1 Year Warranty
  • Total Sale: 631 Sold

New, 1 Year Warranty!
30-Days Money Back!
High quality battery cells extend laptop's life
Fast Shipping!

"Ctr + D " Add This Page To Favorite . Bookmark and share this page, so you can find this product easily next time
* Please ensure the product(s) that you are going to buy fits the brand, model and part number of your device.

Add to cart---->Fill Shipping Information ---->Check out ---->Finish Order

  • An email include order detais will be sent out after you check out.
  • Tracking order is easy: with order id and email address, You can get the delivery time, the Tracking Number, the Tracking Url on our site any time . (Tracking order >>)
  • We accept payment: Debit Card, Credit Card, Paypal Credit, Paypal Account, Visa, Mastercard,JCB...
LENOVO 42T4751 Battery 94Wh, 8.7Ah 10.8V Black Li-ion
Click to view detail
42T4751 Battery, Canada LENOVO 42T4751 Laptop Battery, 94Wh, 8.7Ah, 10.8V, Black , Li-ion
  • In Stock
  • Original price: CAD $ 162.12
  • Local Price:
    CAD $ 88.86
    ( Updated: Jun 2019 )
  • You Save: CAD $ 73.26

Your Machine Model:*


(Free Shipping, 9~17 Days In Canada)

canada certified item for Canada Genuine LENOVO 42T4751 Battery 94Wh, 8.7Ah, 10.8V, Black , Li-ion
Accept Paypal / Credit / Debit Card !
Accept canada payment of this item
  • Canada LENOVO Replacement Laptop Batteries

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42T4751 Battery, Canada LENOVO 42T4751 Laptop Battery
https://www.canada-laptop-battery.com/lenovo-42t4751-laptops-battery-46387.html

Is it bad that I usually let my laptop battery die in the middle of work?

Bad for software: unsaved and corrupted data if it doesn't automatically sleep/hibernate when the battery reaches a critical level. In the worst case you may have to check disk or even reinstall your operating system (though Windows does try its best to prevent that even in the case of chronic unexpected shutdowns)

Bad for productivity: you may lose part of your work this way.

Bad for the battery: deep discharges generally are not beneficial for Li-Ion batteries (plus the charge/discharge cycles). It will wear out faster than for those who take better care of it (although it isn't as good for me either, who always keeps the laptop plugged in and cannot remove the battery; trickle charges plus the fact that it stays basically unused, fully charged and that also makes it suboptimal)

Other hardware though is unaffected (or not enough to change its lifetime significantly; maybe one to two days in 5 or 10 years)

How do I recalibrate a laptop battery?

It is a very simple process to recalibrate your laptop battery. Just follow the steps in order below:

  1. Charge laptop battery to 100% or FULL.
  2. Unplug the charger and let the battery drain till 10%.In control panel->power settings->check the settings to normal and remove all battery savings options you have selected.
  3. When at 10%close all apps you were running.
  4. Let the computer disharge by itself to 0%.
  5. In unplug condition, at 0%,press the power button until the laptop the laptop doesn't start. (5–6 times would be enough).
  6. Now charge the laptop the time it takes to charge completely. (DO NOT POWER ON).
  7. If you don't know the time then charge it for 4 hrs.
  8. Then switch on your laptop.

Your laptop battery is calibrated or rather RECALIBRATED

Can I replace 18650 cells in a laptop battery with a higher capacity?

The short answer is technically yes, mAh only refers to power capacity and how many milliamps the laptop battery can deliver per hour. The more important compatibility measurement is the voltage it supplies. As long as the voltage is close it should work.

Most laptop battery makers advertise their batteries power capacity in terms of 4400, 5200, 5600 or 5800 mAh. The basic idea is that 5800 mAh battery pack will allow your laptop to run longer than a battery with a 4400 mAh rating. Generally speaking this is true, but it is not the whole story.

Lets say your laptop need 20 watts of energy to run per hour. A battery pack that stores 60 WH (watt hours) will provide you 3 hours of run time. So where does mAh fit in to this equation then?

Answer: millamps(mAh) x voltage (V) = watt hours (WH)

Example 1: 2200 mAh x 14.8 V = 32.56 WH (theoretically around 1.5 hours)

Example 2: 5200 mAh x 14.8 V = 76.96 WH (theoretically around 4.0 hours)

But lots of other factor will play in as well, for example the type of usage, application being used? If you’re playing games, let’s just assume that the run time will be lower.

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