positive / negative, inside thread
Features:
- Drastically reduces the amount of time and money you spend on „topping up“ your batteries
- Virtually eliminates the risk the venting of hydrogen gas can cause
- Contains corrosive elements - which increase the life of your battery and decreases cleaning time
- Provides the user with all the benefits of a flooded type battery with minimal maintenance similar to sealed batteries
- Increases watering interval by three times. This can be as long as 12 months