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About us:

➡️We are a laptop battery manufacturer with more than many years, we are positioned for high quality, simplicity and durability. Our products are stable, safe and reliable in performance,and all batteries are made of Grade ''A'' cells.
➡️ If you have any question,pls feel free to contact us first instead of opening any form of case. Contacting our customer service is the best way to better cooperate with each other,thanks a lot.
➡️ Before purchasing, pls confirm that your model/capacity/size is compatible with your laptop. If you don’t know your model, you can provide us a picture of the appearance of the old battery for us to confirm.
➡️ Your positive feedback are the driving force for us to move forward.

Specification:
Battery type: Li-ion
Voltage:15.2V
Capacity:56Wh
Cell:4 Cells
recharge cycles： 500
Operation time: Around 1.5-3hours

Note: The 33YDH battery it only compatible with For Dell "Latitude" 13 3380 laptop,it is not compatible with For Dell "Chromebook" 13 3380 laptop.

Replace Part Number:
33YDH W7NKD PVHT1 81PF3 081PF3 P30E P30E001 451-BCDM DNCWSCB6106B

Compatible Models:
For Dell Inspiron 17 7000 7577 7586 7773 7778 7786 7779 2in1 Series

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 15 3590 3580 Series

For Dell Latitude 14 3490 Series

For Dell Vostro 15 7580 7570 Series

For Dell Latitude 13 3000 3380 Series

For Dell Latitude 3400 3500 3480 Series

and more.

How to install a new battery?

1. You need to turn off the laptop and disconnect the power at the same time.

2. Disconnect the old battery from the motherboard to avoid unnecessary damage caused by disassembling the battery. Then unscrew the old battery and save it.

3. Take out the old battery, install the new battery on the battery box, tighten the screws, and connect the wires of the new battery.

How to maintain a laptop?

1. New battery: When using a new battery, it is best to discharge to 5% for several cycles. Then charge to 95%. So that it can be fully activated.

2. Excessive use: Do not deplete the battery to 0% often, which will cause damage to the battery or shorten the service life.

3. Charging sequence: when charging, first install the battery, then turn on the power, after fully charged, first cut off the power, and then unplug the power plug.

4. Long-term storage: Please fully charge and store unused batteries. (Charge once a month) Do not store in low battery to avoid reducing.

What should be noted when using the battery?

1.If your computer will not be used for a long time, it is recommended that you remove the battery and store the battery separately.

2.It is recommended that you store the battery in a dry environment with a temperature range of -10--35 degrees Celsius, and avoid sunlight.

3.As the damaged lithium-ion battery will pollute the environment, it also has a certain degree of danger. Please do not disassemble or discard at will.