The PowerCore 13400 and 20100 Nintendo Switch Editions have been released in the North American region. If you are interested, you can purchase the officially licensed external battery packs with the following links from Amazon: 13400 Version and 20100 Version.
You can also take a look at Amazon’s product description for the Anker PowerCore20100 Nintendo Switch Edition below:
The official portable charger certified by Nintendo for flawless compatibility and high-speed performance with Nintendo Switch. Power Up Grant Nintendo Switch 2.5 extra lives, give 6 full charges to an iPhone 8, or deliver over 1.3 charges to a MacBook. You’ll realize just how portable your devices can be.
Power, Delivered Resurrect your Nintendo Switch and respawn in a blazing-fast 3½ hours. Power Delivery is also designed for use with newer smartphones and laptops, to provide your entire range of equipment with the fastest possible charge. Portable Power A compact built with easy-grip contoured edges make Power Core the perfect travel partner for Nintendo Switch. Built to slip easily into pack, palm, or pocket, taking your game further has never been easier.
Specs Capacity: 20100mAh / 72.36Wh PD USB-C Input: 5V=3A, 9V=3A, 15V=2A, 20V=1.5A PD USB-C Output: 5V=3A, 9V=2.6A, 15V=1.6A Standard USB-A Output: 5V=2A Size: 6.6×2.4×0.9 in Weight: 12.7oz Notes To recharge at full-speed, Power Core 20100 Nintendo Switch Edition requires a Power Delivery wall charger (not included). Power Core recharges at full speed with the Nintendo Switch proprietary charger.