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 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 come with hook, can be hung on the belt, etc., easy to carry 5、APPLICABLE MODEL: Battery adapter is compatible with 48‑11‑1811 18V lithium ion batteries, use with DCB201 battery interface tool. Body and battery separation to reduce the burden on arms and shoulders when working upward(batteries and tools not include)