Gun-X Battery Watering Gun Automatic shutoff: The Watering Gun fills cells to precisely the correct level. The shutoff is so po Safe: It keeps eyes and face away from battery hazards, and reduces backache from bending over batte Reliable: The shutoff mechanism has been tested to 1 million cycles and proven in hundreds of thousa Fast but gentle: The flow rate is 1.7 gallons/minute (6.4 liters/minute), which is fast enough for t asy Installation: Attach the Battery Watering Gun to any standard garden hose, our HydroFill Wateri