56Wh 33YDH Laptop Battery for Dell Inspiron 17 7000 Series 7779 7778 7786 7773 2-in-1 15 7577 G3 3579 3779 G5 5587 G7 7588 Latitude 13 3380 14 3490 3590 3580 3400 3500 451-BCDM PVHT1 P30E 81PF3 081PF3

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ATTENTION! Please check the specific laptop model, not just laptop series because not all 15 5000 7000 series laptop will work with this battery!!!

Compatible Part Numbers:

33YDH 99NF2 PVHT1 81PF3 081PF3 DNCWSCB6106B P30E P30E001

Compatible Laptop Models:

for Dell Inspiron 15 7000 series 7577 15-7577

for Dell Inspiron 17 7000 Series 7773 7778 7779 7786 2-in-1

for Dell Inspiron 17 7000 Series (7773) 17-7773

for Dell Inspiron 17 7000 Series (7778) 17-7778

for Dell Inspiron 17 7000 Series (7779) 17-7779

for Dell Inspiron 17 7000 Series (7786) 2-in-1 17-7786

for Dell G3 15 3579 Series

for Dell G3 17 3779 Series

for Dell G5 15 5587 Series

for Dell G7 15 7588 Series

for Dell Latitude 3380 3590 3580 3490

for Dell Latitude 13 3000 3380 Series (not for Chromebook 13 3380)

for Dell Latitude 15 3590 Series

for Dell Latitude 15 3580 Series

for Dell Latitude 14 3490 Series

for Dell Vostro 15 7580 Series

for Dell Vostro 15 7570 Series

Laptop Battery Maintenance Tips:

1. When using your new battery for the first time, you need to prime the battery by charging it to 100% and discharging it to 20% for 3 times. If you don't know how to install a new laptop battery, you can search "How to install a new laptop battery?" on website.

2. DO NOT let the battery drain to 0%: If you constantly let it drain to 0%, the battery becomes unstable will be seriously degraded.

3. DO NOT keep your battery always fully charged: Just like emptying your battery to 0%, keeping your battery permanently charged at 100% is very harmful. As time goes by, this will increase its internal resistance and reduce its capacity.

4. Perform regular charging cycles: If you don’t use your Laptop battery very often, it is important to cycle it (discharge => charge) regularly, at least once a month. Please store the unused battery fully charged. Do not store at low power to prevent reduce the lifespan of a battery.