Battery expander tool is designed for professionals making connections more than once a week. The expander tool kit comes with batteries, a battery charger, lubricant, and a carrying case. It is easy to use, dependable, durable, and will make more fittings than ever. It is also used as an electro-hydraulic tool with microprocessor-based intelligence that makes fast, easy connections to 1/2 inch through 2 inches.