Energier Apollo is a powerful ALL-IN-ONE inverter integrates multiple functions, including a high-performance inverter, a powerful battery charger, a MPPT or PWM charge controller, a high-speed automatic transfer switch and two outputs for load management. It can be used in multiple applications. With a simple setting, you can compose a power backup or solar off grid system. Its distinguishing surge capability makes it capable of powering mostly demanding appliances, such as fridge, water pump and air-conditioner. In the meantime, it can charge from the majority of cheap generators in the local market.