An ultra-compact portable power bank with a capacity of 10,000 mAh ♡

A credit-card-sized power bank with a capacity of 10,000 mAh The SuperMini Charger is a credit card-sized portable charger with a 10,000 mAh capacity that fits easily in your pocket and extends your phone’s battery life by two to three days. Thanks to its 18-watt fast-charging technology, it can charge your iPhone X up to 50% in just 30 minutes. A 10,000 mAh capacity is one of the most common capacities for portable chargers, and it’s usually enough to charge a smartphone for several days. However, many prefer a lower capacity because they find that a traditional 10,000 mAh power bank takes up too much space. That’s where the SuperMini comes in. The SuperMini is 30% smaller than a traditional 10,000 mAh power bank, making it a perfect fit for almost any bag or pocket. Here’s how we achieved this: The SuperMini uses a type of battery cell called 21700. Each cell provides a capacity of 5,000 mAh, making it 50% more energy-dense than the cells used in traditional power banks. Just two of these cells are enough to reach a capacity of 10,000 mAh, while most portable chargers use three. Super-Fast, High-Performance The SuperMini also supports fast charging at up to 18 watts via its USB-C and USB-A ports. Thanks to its fast-charging (PD) technology with up to 18 watts, the SuperMini can charge