The best alternatives to ChargedUP are OUT - Only Used Tesla, MultiDock, and ChargeKey. If these 3 options don't work for you, we've listed a few more alternatives below.
SuperMini is a credit card size 10,000mAh portable charger, which can be easily put in your pocket and extend your phone usage for 2-3 days. With 18W Power Delivery, it can fast charge your iPhone X up to 50% within 30 mins.
Power Mountain charges 9 times faster than traditional power banks. Good for laptops, phones, tablets, games and more, all day long. Comes with 2 x USB (2.4A) and 1 x USB Type-C (45W) ports
The QWNN is a unique origami-inspired portable solar lantern + power bank. Designed for life....on or off-the-grid ๐ก lightweight, flat-packable, portable, waterproof ๐ก built-in 4000 mAh re-chargeable power bank ๐ก charge via sunlight or micro-USB port ๐ก 6 light modes, 45-320 lumens ๐ก up to 48 hours of continuous light