4 Bay Charger for Nintendo Switch Joy-Con Controller 4 Bay Charger for Nintendo Switch Joy-Con Controller. Keep controllers ready for action with this charging station. Charge up to 4 Nintendo Switch Joy-Con controllers at once. This charging station has an easy slide-in design, as well as LED indicators that show when the controllers are fully charged. Charge Up To 4 Joy-Con Controllers At The Same Time Individual Charging Indicator Light For Each Bay Easy Slide-In Design Smart Charger Features: Current Limiting Voltage Limiting Overcurrent Protection Low Voltage Protection High Voltage Protection Short Circuit Protection