There are some important points to remember for maintaining inverter battery health condition: 1. Checking acid level: The water level in the float indicator must be equal. Also, the acid must be colourless. 2. Cleaning of battery terminal area: During the working condition, the inverter battery produces lead sulfates. It can accumulate between the inverter and battery. You must have to clean it with the help of a nylon brush. 3. Keep the battery clean: Clean the inverter battery using a dry cloth. 4. Damage wire: Check that the wires of the battery are not broken anywhere. This breakage can affect the performance of the battery.