Maintenance of battery for solar street lamp 1. Prevent rainwater from entering The outer packaging of the solar battery must be tight enough to prevent rainwater from entering and affecting the service life of the battery. 2, the stability of discharging and charging In the process of charging and discharging, there should be no over-high and under-voltage phenomena, which will affect the life of the battery. 3. Ambient temperature control The battery has its own proper temperature, which cannot be too high or too low. We must control the temperature of the battery. 4. Control of charging and discharging This needs to be realized by the controller. The number of charging and discharging of the battery is limited. We need to manage the number of charging and discharging so as to maximize the life of the battery