UGREEN Power Bank 20,000mAh

What to know

The built-in USB-C cable is the standout convenience here: it means one charging lead is already attached when you pull the power bank out of a bag. UGREEN lists 145W of total output, with up to 100W from a single USB-C connection or 100W plus 45W when two USB-C outputs are used together. That makes the setup more laptop-oriented than a basic phone-only battery pack.

Its 20,000mAh capacity is listed as 72Wh, and the product supports PD, PPS, SCP, and UFCS charging protocols. Those details are useful if you carry a mix of devices, though fast charging depends on the device and its charging support. Keep in mind that the listing doesn’t give a recharge time for the power bank itself, so it’s hard to plan how quickly it will be ready again after a demanding day.

How to use it

For one laptop, connect it to the built-in USB-C cable or the USB-C port, the listed maximum from a single USB-C connection is 100W. If you’re carrying a laptop and a tablet, the product description says the two USB-C outputs can deliver 100W and 45W at the same time. It also claims support for charging up to three devices at once, although the provided information doesn’t specify every port involved in that arrangement.

A practical example: between classes or meetings, plug a laptop into the built-in cable and connect a tablet to the additional USB-C port. You can keep both devices charging without looking for an outlet, while the combined output figure gives a clearer idea of the tradeoff than the headline wattage alone.

Practical tips

Match the connection to what you need most. If your laptop is the priority, use a single USB-C connection for up to 100W, when sharing power with another device, the listed split is 100W plus 45W. The power bank supports several fast-charging standards, but that doesn’t mean every phone or tablet will charge at its maximum rate. Check your device’s charging requirements if speed is the deciding factor.

The built-in cable is handy for reducing loose accessories, but it also means you’re relying on the attached lead for that connection. If you prefer choosing or swapping every cable yourself, a model without a built-in lead may suit your routine better. A solid pick if you want laptop-capable output and a cable ready to use, It might not be a great match if you need a stated recharge time or detailed information about every port and charging combination.

Before you decide

Can it charge two laptops at once? The product description says yes: it lists simultaneous charging through the built-in USB-C cable and an additional 45W USB-C port, with 100W plus 45W total output.

Does it support fast charging? It lists PD, PPS, SCP, and UFCS. Actual charging speed depends on whether the connected device supports the relevant protocol.

Is the 145W available from one connection? No. The listed maximum for one USB-C connection is 100W, 145W is the combined output when two USB-C outputs are used.

When it makes sense

Choose this UGREEN power bank if you regularly carry a laptop along with a tablet or phone and want a built-in USB-C cable rather than a separate cable in your bag. Its stated output makes it more suited to that mixed-device routine than a simpler phone-focused battery pack. If you mainly need backup for a phone, or want detailed port-by-port information before buying, this description leaves some questions unanswered. The best reason to choose it is the combination of laptop-level output, a 20,000mAh capacity, and a cable that’s already attached.