ZTHY 94Wh 55++ Laptop Battery for Lenovo ThinkPad Edge E40 E50 E420 E425 E520 E525 L410 L412 L420 L421 L510 L512 L520 SL410 SL510 T410 T410i T420 T420i T510 T510i T520i W510 W520 42T4791

1) Please click ZTHY TECH, we will help you solve it.
2) Please be assured that we will take the responsibility for each product we sold.
3) 30-days after purchase, we offer a no-questions-asked return policy.
4)12 months from the date of purchase, If the product fails, we will replace it with a new one.
1) You need to turn off your laptop and disconnect the power.
2) Disconnect the connection between the old battery and the motherboard to avoid unnecessary damage caused by disassembling the battery. Then unscrew the old battery screws one by one and carefully save each screw.
3) Remove the old battery, carefully install the new battery on the battery case, screw in the screw, and connect the wiring of the new battery.
4) If you don't understand the above steps, you can search for the video about laptop battery installation on YouTube. Maybe it will help you.
1)Discharge the new battery use to 10%(not to 0%) and then charge to 95%, and cycle 3-4 times.
2) Do not disassemble, crush or puncture. Do not dispose of in fire or water.
3) If you remove the battery for a long time, charge more than 80% at least one time within one month.
4) Don't connect the adapter for a long time while using the battery. It may damage the battery.
5)When using the battery, care should be taken to prevent exposure and moisture.
1) Could be caused by battery loss. Please re-install the battery and make sure that the battery cable and the motherboard interface are tightly inserted.
2) Maybe due to conductive material damage which the laptop motherboard and battery anode and cathode contact position, you can try to confirm it with your original battery.
3) Check whether the battery drive is in normal condition, if not, download the corresponding driver software to update.
1.Turn off the laptop.
2.Unplug AC power.
3.Remove the battery.
4.Replace AC power.
5.Turn on laptop,allow OS to boot.
6.Once logged in to the machine,perform a normal shut donw.
7.Unplug AC power.
8.Replace battery.
1, Change your laptop power plan settings, and choose the power saver plan. Then Change advanced power settings, and scroll down to find Processor power management. Click the On-battery option and reduce the processor state to 20%.
2, Always keep your laptop neat and clean. The dust easily enters the hardware through the vents which are meant to release the heat generated from various computer components.
3, Close Wi-Fi, Bluetooth, and other settings. This can help your computer save precious battery life.
Welcome to ZTHY TECH INC
We are a professional laptop battery, laptop adapter and all kinds of chargers manufacture. Dedicated to producing high quality products. We have professional sales team. To each of our customers with high quality products. Wish you have a happy shopping experience and thank you for your trust!
Compatible Laptop Models : ( Please press "Ctrl"+"F" to find your laptop model ):
Lenovo ThinkPad Edge E40 E50 0578-47B E420 E425 E520 E525
Lenovo ThinkPad L410 L412 L420 L421 L510 L512 L520 T410 T410i T420 T420i T510 T510i T520 T520i W510 W510 4389 W520
Lenovo ThinkPad Edge 14"Series ThinkPad Edge 14"05787UJ, ThinkPad Edge 14"05787VJ,ThinkPad Edge 14"05787WJ, ThinkPad Edge 14"05787XJ ThinkPad Edge 14"05787YJ
Lenovo ThinkPad Edge 15"Series ThinkPad Edge 15",ThinkPad Edge15"301K7J
Lenovo ThinkPad SL410 Series ThinkPad SL410 2842,ThinkPad SL410 2874,ThinkPad SL410k 2842
Lenovo ThinkPad SL510 Series ThinkPad SL510 2847,ThinkPad SL510 2847RE4,ThinkPad SL510 2875

Note: please confirm your original battery is the same as in the picture.
1, You need to turn off your laptop and disconnect the power.
2, Disconnect the connection between the old battery and the motherboard to avoid unnecessary damage caused by disassembling the battery. Then unscrew the old battery screws one by