Check the listing for details. New Lithium Battery 2000mAh 7.2V VEE-2 VALUE Automatic Electric Tube Expander. Condition: New. Listed at 509.98 USD. Fully Automatic Expander Electric Copper Tube Expander Flare Expander VEE-2 Description: VEE-2 Fully Automatic Expander Electric Copper Tube Expander Flare Expander Air Conditioner with Lithium Battery Model: VEE-2 lithium battery expander Power supply: 7.4V lithium battery Applicable pipe material: steel pipe Applicable pipe diameter: 3/8'', 1/2'', 5/8'', 3/4'', 7/8'', 1'', 1-1/8'', 1-1/4'', 1-3/8'', 1-1/2'', 1-5/8'' Dimensions: 209mmx67mmx249mm Weight: 1.5kg Feature: Automatic pressure relief: the expansion head automatically resets after the expansion of the tube is completed Hydraulic expansion head, quick loading and unloading: four threads with large pitch, lock the expansion head in 1 second LED auxiliary lighting: suitable for harsh environments such as dark light Easy to expand tube: powered by lithium battery. Save time and effort. One-key operation, simple and efficient Hassle-free battery life ●2000mAh lithium battery. Up to 220 uses on a full charge ●50W ultra-fast flash charge, fully charged in 35 minutes Package Includes: 1 x VEE-2 lithium battery expander