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 working 2. DURABLE MATERIAL: The lithium battery adapter is made of excellent plastic material that is durable and safe to use 3. ENOUGH LENGTH: The total length of the lithium battery extension cord adapter is 1.6meter, which can be adapted to various working lengths 4. PORTABLE HOOK: Battery holder extension cord tool come with hook, can be hung on the belt, etc., easy to carry 5. 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 Adapter Material: ABS Applicable Power Tool: 18V for PBA series AT2.0ah, AT4.0ah, AT5.0ah, AT6.0ah and other interface power tools Compatible Battery Model: AT609, BAT609G, BAT610G, BAT611, BAT612, BAT618, BAT618G , BAT619, BAT619G, BAT620, BAT622 and other lithium ion batteries Total Length: Approx. 1.6meter / 5.2ft Wire Specification: 2x1.5mm². Package List: 1 x Lithium Battery Adapter Note: Please allow tiny size error due to manual measurement. Thanks for your understanding.