ZTHY C31N1620 Laptop Battery Replacement for Asus Pro P5240U P5240UA P5240UF P5240FA P5240FF P5440F P5340FA P5440FA P5440FF P5440U P5440UA P5440UF PU404 PU404U PU404UA PU404UF PU404F PU404FA 50Wh

Compatible with Part Numbers:
C31N1620 C31PoCH C31POJ1 31CP5/70/81 0B200-02370000
Fit Laptop Machine Models (please use ctrl+f to search for your laptop model):
Replacement for Asus Pro P5240 P5240U P5240UA P5240UF P5240F P5240FA P5240FF Series,
Replacement for Asus Pro P5340 P5340F P5340FA P5340FF P5340U P5340UA P5340UF Series,
Replacement for Asus Pro P5440 P5440F P5440FA P5440FF P5440U P5440UA P5440UF Series,
Replacement for Asus Pro PU404 PU404U PU404UA PU404UF PU404F PU404FA PU404FF Series.
Matters Need Attention
Please note that there are two types of C31N1620 batteries. Their connectors and screw holes are not in the same position and are not compatible with each other. We highly suggest you open the back cover of your laptop and compare it with your old battery before making a payment.
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) 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, a