Walmart has The Nintendo Switch Joy-Con Charging Grip Only $18.46! (Reg $29.88) The Joy-Con charging grip allows you to combine the left and right Joy-Con into one larger conventional controller with this handy grip. It also lets you keep playing while you’re charging your Joy-Con, so you don’t have to miss a minute.
Don’t forget if, available in your area, you can opt to pick your purchase up in-store to avoid any shipping charges. Otherwise shipping is free when you spend $35 or more.