Aukey 20,000 mAh Slim Battery Pack
This next portable battery isn't the smallest charger around. In fact, it's huge, but it's still incredibly thin considering all the juice inside.
The Aukey 20k USB Type-C charger actually has four different output ports, so you can quick charge four devices at the same time with something roughly the size of an iPhone Xs Max or Galaxy Note 9.
Yes, the Aukey 20k slim features three regular size USB ports, a Fast Charge and Power Delivery USB Type-C port, and even a 5th Lightning port so you can refill the charger with your iPhone cable.
However, you can also recharge the power bank with the regular USB ports, or quickly recharge it with the dual input/output USB C port. Basically, you can recharge this portable battery three different ways, and once it's full, you can recharge four phones or laptops and a Nintendo switch all at the same time. This thing is a beast. It's 7-inches long though, so it's not exactly "portable".
or get the smaller Aukey 10k for $19
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