The Battery Helper is a useful tool to guide you when replace the car battery. It is very simple to use.
Application:
When replacing the battery, first, make sure to connect the Battery Helper and the automotive diagnostics fits properly. You would know it is properly fits as you would see the first green light will be ON. Then you can connect the back-up power then battery replacement can be carried out. The second green light will turn ON. If the back-up power is low, the red light will be bright. At time like this, please replace with sufficient capacity for replacement.
