- Aussehen: There shouldn’t be any obvious signs of damage or corrosion on the battery.
- Voltage detection: After the solar street light has charged for a day, you can use the multimeter to detect the voltage of the battery. If the voltage is the same as a new one, then it is still good.
- Detect by charging: Connect the battery to the solar panel, and then use the amperemeter to detect the current. If the current is low or zero, there is something wrong with the battery or the solar panel.
- Capacity test: Use the battery capacity tester to test whether the capacity of the battery is still the same as before.
Mehr Lektüre: Solar Street Light -Batterie: Was zu wissen und wie Sie wählen sollen
