100W USB-C Charger for Dell Inspiron 16 7640 Power Supply+Cord

98% of delivery volume is delivered on estimated time. However, it may take longer sometimes.

If the package is delayed, we will notify the customer by e-mail.

Adapter Chargers: Estimated delivery time 3 - 12 business days.

Batteries: Estimated delivery time 7 - 15 business days.

Due to different production batches, the label will be a little different, but the product you received can be used and is the same as the original one.

Please feel free to Contact Us, and we'll send you by Email. It will be helpful to provide the Order Number that corresponds to the purchase.

All items delivered by us are guaranteed for 1 year from the date of purchase. During the warranty period, we will be responsible for the replacement of any defective products.

Of course - we process all online payments via PayPal.

1. Click on Start.

2. Enter a search for "System Information", then click on the result.

3. Select "System Summary."

4. Beneath the "System Model" field, you'll find your computer's "Model Number".

The information required to calculate the power of a power supply can be found on the type plate of your power supply.

This information can often also be found on the label of your notebook.

To calculate the power of your power supply, please always use the information under "Output".

Calculation:

Amperes * Volts = Watts

Example 1: 4.74 A * 19 V = 90.06 W
This means that this power supply has 90 watts.

Example 2: 3.5 A * 18.5 V = 64.75 W
This results in a power supply output of 65 watts.