42T4646 Battery for Lenovo ThinkPad X200 X200s X201 X201s Series – 7800mah

Q:What is the best way to keep your laptop battery healthy?
A: Keep it in a cool place-Do not let the battery in a high temperature (over 35 degrees Celsius). Ideal in under 25 degrees Celsius.
Unplug when it is fully charged-Do not plug when it is charged fully (do not charge over night).
Plug when it is in low level-Should plug when the battery level is under 15%.
Q:Is it necessary to "calibrate" modern lithium ion laptop batteries?
A:Battery calibration doesn’t extend its life, rather its purpose is to calibrate its state of charge against the laptop 's "fuel gauge" so the laptop knows when to charge, stop charging, or shut down the laptop when battery charge is depleted - the reason calibration becomes necessary is because the battery’s discharge curve changes as it ages.
It won’t hurt anything to go through the calibration cycle, and doing it will give you the confidence that the fuel gauge will accurately reflect the battery’s state of charge, at least for a couple of years depending on how you use your laptop.
Q:What's the difference between a 4400 mAh and a 4800 mAh laptop battery?
A:One battery has 400 mAh more, and this affects both how long it will last and the amp output.
Amp output assuming it is a 1C battery then:
4400/1000 = Ah 4.4 (this is to convert mAh to Ah)
4800/1000 = 4.8 Ah
and C*Ah= Amp Output so the numbers remain unchanged and the bigger battery will output 400 mA (.4A) more current
as for how much longer the other will last:
4.4 Ah at 4 amp draw the bigger battery would (theoretically, but voltage drop between the two batteries may make this false) last 6 minutes longer.
Q: Does overcharging damage the battery for lenovo 42T4646?
A: Overcharging can create excessive heat which bends the plate within the cells and shed active material then results in the capacity loss.
Q: What should I do if the lenovo 42T4646 battery replacement gets hot in my laptop ?
A: It is normal that the battery becomes warm. When it becomes too hot, take the battery out and let it cool down. If the problem persists once it is inserted back into the laptop, the battery could be defective and need to be replaced.

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Fits Into Your laptop With Absolute Ease

High Performance Lenovo ThinkPad X200 X200s X201 X201s Series batteries are designed to complement the fit and finish of your lenovo laptop. This battery is manufactured using the highest quality battery cells with integrated charge indicator LEDs. Depending on the capacity you've selected some upgrades last up to 68% longer than the factory issued laptop battery. This battery will perform better and fit more snugly than anything else on the market.

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The average battery life doesn't last that long for most people. In fact, if your battery is only lasting less than half an hour, it's time to replace your battery. A fast depleting battery could very swiftly stop you in your track. Leaving you without any mobile power. That's why you should maximize your performance and consider getting the High Performance lenovo 42T4646 ones as soon as possible. Use it to keep your laptop battery working for many hours between charges. Please be sure to get the right battery for your Lenovo ThinkPad X200 X200s X201 X201s Series laptop!

FREE REPLACEMENT

During the warranty period, if the 42T4646 battery replacement is completely dead, we will replace the battery for you.

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