1Efficient Battery Filler: This 2 liter battery filler precisely fills the battery to the appropriate level, preventing overflows, with a drip free valve, ensuring no liquid spillages, 2 liters of capacity ensure efficiency in use. 2Automatic Shutoff: The battery filler has an auto shutoff function that stops the water supply once the battery is full, preventing overflows during usage, making it highly convenient for cars, trucks, RVs, and golf carts. 3Durable Material: Made from thick polyethylene, this distilled jug is resilient and protects against harmful substances, the battery jug is durable for years of use while maintaining water purity. 4Comfortable Grip: The battery filler features a grooved side handle, providing a comfortable grip during use. The lightweight battery charging system enables safe and easy transportation. 5Portable: This battery filler compact enough to fit almost anywhere in your garage or workshop, offering a convenient storage solution, and allows you to keep your battery charger within reach.