ZTHY 266J9 Battery Replacement for Dell G3 15 3500 3590 3790 G5 15 5500 SE 5505 P89F Inspiron 5490 INS 15PR-1545W 1548BR 1645W 1742BR 1742W Series 0415CG C9VNH 0PN1VN 0M4GWP 11.4V 51Wh 3Cell

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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.
Compatible Part Number266J9 0415CG C9VNH 0PN1VN 0M4GWPCompatible ModelReplacement for Dell G3 15 3500 SeriesCompatible ModelReplacement for Dell G3 15 3590 SeriesCompatible ModelReplacement for Dell G3 15 3790 SeriesCompatible ModelReplacement for Dell G5 15 5500 SeriesCompatible ModelReplacement for Dell G5 SE 5500 SeriesCompatible ModelReplacement for Dell P89F P89F001 P89F002 P89F003 P89F004 SeriesCompatible ModelReplacement for Dell G5 15 5505 SE SeriesCompatible ModelReplacement for Dell Inspiron 5490 SeriesCompatible ModelReplacement for Dell Ins 15PR-1545W 1548BR 1645W 1648BR 1742BR 1742W 1748BRNote:There are 2 different models MV07R 68Wh 4-Cell( ASIN: B0BYD9XZP9) & 266J9 51Wh 3-Cell for Dell G3 15 3500 3590 G5 5500 5505, please confirm with your original battery before purchase!!!Matters needing attentionNot all the compatible laptop models have been listed.Please open the back cover of your laptop to check the original battery size and capacity before placing an order. What do I need to be aware of when I receive a battery?
You need to check its appearance, confirm the model, read the instruction manual. Cycle and charge it 5 to 6 times to activate the maximum usage space of the battery. When not in use temporarily, charge the battery to 50%-60%.

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