You may no longer be able to charge a gadget on an aircraft using a power bank, but you can carry one with up to 100Wh (roughly 27,000 mAh) capacity in your hand luggage without needing airline approval. This will be ready to use on your travels as soon as you land. I recently tested the D-Link DPP-201, a 20,000mAh power bank capable of delivering up to 65W of power, enough to charge and power a laptop.
Weighing in at just over 400 grams and filling your hand (14 x 7 x 3 cm) when you hold it, this product is at the extreme end of pocketable. That said, it will recharge a smartphone up to five times and give you a couple of extra hours on your laptop, depending on the model.
I have sat here debating whether to take this power bank on an overseas trip, and, to be honest, I decided to take another model with half the capacity. This decision is the power bank’s weight versus how much power you think you might need beyond your gadgets’ built-in batteries. My reasoning is that I just want to ensure I can use my phone. However, if you want a laptop backup or multi-day power, then this is your power bank.
On the top of the bank are three USB sockets (two USB-C, one USB-A) which can charge three devices at once, but you cannot exceed 65W in total. You could use one of the USB-C sockets to get 65W out, but if you plugged in a second socket, the first would drop to 35W, and the second (and third) would each supply only 18W total. 18W is enough to charge a phone, though. You can also charge the power bank from one socket and output power to two gadgets at the same time, which is handy for charging the bank and gadgets simultaneously.
With fast 65W charging, assuming you have a charger of that wattage or more, you will be fully recharged in approximately two hours. To keep track of capacity, an LED display on the front of the unit shows a percentage, activated by a button on the side.
For those who need extra power on the go that still fits in your pocket, the D-Link DPP-201 power bank is available online for $99.95 and stocked by selected resellers.
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