Power bank 5000mah portable backup usb battery charger

What is a USB power bank?

Most people can find use for a USB power bank (also called an external battery pack, backup battery, or portable charger) to keep phones and other devices charged while on the go. Rather than tracking down a wall outlet, owning a USB power bank allows you to enjoy a conveniently portable (albeit limited) power supply.

How many Mah does a power bank charge?

In our tests, 10,000mAh of battery pack capacity translated to roughly 5,800mAh of device charge. 20,000mAh chargers delivered around 11,250mAh to a device, and 25,000mAh banks translated to about 16,200mAh of charge. That’s an average efficiency rate of around 60 percent. Wireless More manufacturers are making power banks with wireless charging.

Will a 5000 mAh power bank charge my iPhone 15?

Any power bank that is 5,000mAh or smaller will probably not guarantee 100% charge on an iPhone 15 or larger phone. If you have a big battery phone like the Galaxy S24 Ultra, which packs 5,000mAh inside, you'll need a power bank closer to 8,000mAh or more if you want a full recharge.

How much power does a USB-C Power Bank have?

This power bank has a built-in rotating USB-C or Lightning connector (MFi certified), so you don’t need to worry about cables. It packs 5,000 mAh of energy (enough to fully charge most phones). I tested the USB-C version with several Android phones and found it stayed in place, enabling me to use my phone more or less as normal.

Can a power bank charge a laptop?

Power banks that can charge a laptop are a category unto themselves. I recently put together a guide to those high-capacity portable chargers and Lion Energy’s Eclipse Mag made the cut as the best option for traveling with your laptop — but it’s also great for smaller devices.

How many devices can a power bank charge?

It can charge up to two devices at once, or charge a single device while recharging itself, and it has a rated capacity of 5,000 mAh. It’s set to sell for $50 when it becomes available in fall 2024. This is not a comprehensive list of every power bank we’ve tested. We’ve removed models that no longer meet our requirements or are discontinued.