Ask Engadget: How do I keep my electronics from dying when I travel?
Briefly

When traveling, it's essential to have reliable charging solutions for devices such as smartphones, tablets, and laptops. A combination of a large and small power bank, along with a foldable charging station, will ensure that your devices remain powered. For international trips, you will also need an outlet adapter. Key factors to consider when choosing power banks are their capacity (ideally 10,000mAh or higher), weight, and the number of connections available. Additionally, ensure to stay informed about TSA regulations regarding electronics and battery transport during flights.
If you're traveling domestically, one large and one small power bank plus a foldable charging station should keep your devices reliably powered.
The three important features to look for when picking a portable charger to take on your travels are its capacity, weight and connections.
I recommend looking for a power bank with 10,000mAh or higher capacity. Anything less than 5,000mAh is pretty useless.
If you're really concerned with keeping down the pounds and ounces in your luggage, you might want to pick the smallest capacity you think you'll need.
Read at Engadget
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