Check out PowerA Joy-Con Charging Dock for Nintendo Switch. Charges up to 4 Joy-Con Controllers simultaneously. Individual LEDs indicate charge level for each Joy-Con.
The Joy-Con Charging Dock is the easiest solution for charging your Nintendo Switch Joy-Con Controllers. Charge 4 Joy-Con Controllers at a time for multiple players, or keep an extra pair charged for single players to switch out. Simply slide the Joy-Con Controllers down and wait until each charge LED turns green!
Joy-Con Charging Dock - Hardware - Nintendo - Nintendo Official Site
Controller Charging Base for Nintendo Switch, Nintendo Switch charging docks & bases
PowerA Joy Con & Pro Controller Charging Dock Nintendo Switch : Video Games
3 Top Rated Nintendo Switch Joy-Con Charging Docks
Joy Con Charging Dock for Nintendo Switch Docking Station Charges up to 2 Joy-Con Controllers Simultaneously - Controllers NOT Included (LED)
Switch OLED(JOY-Con)L/R Small handle charging base TNS-0122B - Switch OLED Model - DOBE Videogame Accessories
For Nintendo Switch Joy-Con Controller Charger 4-in-1 USB Charging Station Dock
Charging Dock Compatible with Nintendo Switch Controllers – oivogaming
Joy-Con Charging Dock - Hardware - Nintendo - Nintendo Official Site
Joy-Con Charging Base Station™ – GamerPro