Step 1: Tell us about your main devices

First things first, let’s list the gadgets you’ll be charging. Don’t worry if you’re not sure about the exact battery capacity; we’ve got some common values pre-filled for you.

How to find your device’s battery capacity (mAh):

• Smartphones/Tablets: Check the “Settings” > “About Phone/Tablet” > “Battery Information” section. Alternatively, look on the back of the device, inside the battery compartment (if removable), or in the user manual. A quick online search for “[Your Device Model] battery mAh” will also usually give you the answer.
• Laptops (USB-C Charge): For laptops, you’ll generally look for the **charger wattage (W)**, not mAh. This is usually printed on the charger itself. Common wattages are 30W, 45W, 60W, 65W, 90W, or 100W.
• Other small USB devices (earbuds, smartwatches, e-readers, portable speakers, cameras, gaming consoles): Check the device’s manual, the packaging, or small print on the device itself. For example, wireless earbuds might have a very small capacity like 300mAh, while a portable gaming console could be around 3500mAh.

“Full Charges Needed Per Day”: This helps us estimate how much power you use.

• If you fully charge your device once a day, enter **1**.
• If you charge it about halfway every day, enter **0.5**.
• If you charge it fully once and then need to top it up by about 30% more, you’d enter **1.3**. Think of it as how many times you fully drain and recharge that device in a typical day.

Step 2: Describe your typical power bank usage

Now, let’s think about how you’ll be using your power bank. This helps us recommend features like portability and charging speed.

Just select the option that best describes your power bank habits from the dropdown menu.