HyperX ChargePlay Clutch Charging Case
 

" ... The HyperX ChargePlay Clutch is a must-have accessory for all Nintendo Switch users who are often taking their console on a trip. There is no better device on the market, that allows you to extend your battery life of your Switch while you're on the move. It's portable, looks great and safe to use, plus you get all of this at a price that's more than reasonable."

https://www.funkykit.com/reviews/acc...switch-review/