1. Compatible battery models: For 18V li-ion battery: BAT609,BAT610G,BAT618,BAT618G,BAT619,BAT620,BAT621,BAT607,BAT614,BAT607G,BAT614G,BAT622,BAT609G,etc. 2. Suitable for lighting in work, study, outdoor, field, emergency and other places. 3. ABS materials are more environmentally friendly and reduce human hazards. 4. The battery can be used flexibly. It is very powerful and full of functions. 5. Stable and powerful performance, built to quality. LED Quantity: 18 LED; Power: 10W; Brightness: 1500LM Input voltage: 15V-21V Type C and USB Output: Built in USB fast charging control IC, output voltage range: 3V to 12V, automatically adjust the output power according to the fast charging protocol: maximum 18W(5V 3.4A , 9V 2A , 12V 1.5A, Etc.) The low-voltage protection board is integrated to that the battery stops working when the voltage is lower than 15V, so that it can be used safely to avoid over discharge of the battery and damage to the battery. NOTE: The lamp is only suitable for 18V Li-ion battery such as BAT618 lithium batteries, Not suitable for "ALL 18V "series lithium batteries (marked "X" ). The batteries in the above product pictures are only used to describe the functions of the lamp. This product does not come with a battery! Color:As Shown Material:ABS Package Contents: 1 x LED Working Light Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.