Order your solar battery and connect them to your solar panel to store your photovoltaic energy. The I'M SOLAR® solar battery is at very competitive price and really cheap. This gives you a solution for your solar project at a very low price. Your solar panel produces electricity during the day and recharges your solar battery. At night, you discharge these solar batteries and you carry out photovoltaic self-consumption without worry. Your solar battery charges and discharges according to use with your solar panel. This solar battery is connected to a hybrid inverter handles its discharge rate also. The photovoltaic solution is smart and very simple. You connect the solar battery with a single cable. Its duration is optimized by communication between the solar battery and the hybrid solar inverter. The solution is optimum and cheap.