Feature:1. EFFECTIVE WEIGHT REDUCTION: The battery adapter can remove the battery from the power tool, which is used to reduce the weight of the tool and reduce the fatigue of operator hands when working2. DURABLE MATERIAL: The lithium battery adapter is made of excellent plastic material that is durable and safe to use3. ENOUGH LENGTH: The total length of the lithium battery extension cord adapter is 1.6meter, which can be adapted to various working lengths4. PORTABLE HOOK: Battery holder extension cord tool come with hook, can be hung on the belt, etc., easy to carry5. LOW BURDEN WORK: This is a BAT618 18V lithium ion battery to for PBA series battery interface power tool extension cable tool. Body and battery separation to reduce the burden on arms and shoulders when working upward(batteries and tools not include)Specification:Item Type: Lithium Battery AdapterMaterial: ABSApplicable Power Tool: 18V for PBA series AT2.0ah, AT4.0ah, AT5.0ah, AT6.0ah and other interface power toolsCompatible Battery Model: AT609, BAT609G, BAT610G, BAT611, BAT612, BAT618, BAT618G , BAT619, BAT619G, BAT620, BAT622 and other lithium ion batteriesTotal Length: Approx. 1.6meter / 5.2ftWire Specification: 2x1.5mm.Package List:1 x Lithium Battery AdapterNote:Please allow tiny size error due to manual measurement. Thanks for your understanding.