Easily charge up to 4 EVO batteries with the EVO Battery Charging Hub. <br><br> The Battery Charging Hub acquires real-time electric current data and can charge up to 2 batteries simultaneously. All while optimizing the charge and redistributing the load for each battery. <br><br> The LED-backlit "A" indicates to the user the status of the charger and if any errors have occurred. <br><br> Powered by the EVO battery charger, efficiently charge and balance 4 batteries with minimal monitoring and spend more time in the air!<br><br> Operating Voltage<br><br> - 13.05v<br><br> Operating Temperature<br><br> - 41deg -104deg F (5deg - 45deg C)<br><br> Max Charge Time (4 Batteries from fully depleted)<br><br> - 4 Hours 40 min<br><br>