Topic: joycon and powerbanks ?

Just got my Nintendo switch today, pretty happy with it.
1. Are there any third-party solutions or official gear which allow you to use both of the joycon remotes as a controller and has a backup battery to charge the controllers , or a controller grip that has a usb type c port so I can charge the remotes without docking it on the switch tablet?
2. What is the minimum output required to charge the Nintendo switch via a power bank ? I am currently using a xiaomi 16000mah power bank and it has a max output of 5.1v/ 3.6 a would this suffice? Not looking to fully charge but give my switch a boost when I am in areas which do not have a power point such as an aeroplane or train.
Thanks guys

You... Don't need to post this...

You...really want to be a moderator.

@ryanthelion Nintendo made these. Might be what you’re interested in.

https://www.bestbuy.com/site/nintendo-joy-con-l-r-aa-battery-...

Although they aren’t that necessary because the battery life is good. There are charger docks just for the JoyCons. Nintendo also has a grip similar to the one that came with the Switch that you can play and charge them too.