Attention please!! After connecting the battery, and hold the white button for 2-3 seconds, and the green light flash. At this time, the AC output cannot be used normally, You need to the white button briefly to keep the green light on, at which point the AC output can be used normally. Please refer to the video for specific operation methods! Inverter + Working Lights + USB (Type C) Power Bank(for Battery) AC socket compatible: British rulers(UK),American rulers(US),European rulers(EU),Australian rulers(AU). USB output: 5V 2.1A. TYPE-C output: 18W. LED light brightness: 280lumen. Suitable for battery model: P108 BPL-1815, BPL-1820G, BPL18151, BPL1820, P102, P103 P104, P105, P106, P107 Very important! (A). This product does not come with a battery and requires you to bring an appropriate model of battery. If there is no battery or the battery model is incorrect, the product not work properly! (B). The following provides a detailed description of the , model, and appearance of the batteries compatible with the lamps. Other batteries cannot be used. Please confirm if there is a matching battery, otherwise you do not purchase; (C). This product has a low voltage protection function to protect your battery from damage caused by excessive use.Please fully charge your battery before use! (D). Please confirm that the power of your appliance does not exceed 300 watts, otherwise do not purchase (E). Please confirm the voltage required for your appliance and choose to purchase an inverter with the appropriate voltage for your appliances, do not choose the wrong one, otherwise you be responsible for it Strong security performance. The jack has a built-in security gate 1. Cooling fan:When using electricity, high-speed rotation and rapid cooling 2. Heat veans:Rapid air circulation 3. Emergency exit: The jack has a built-in safety door, which can effectively prevent foreign objects or singl to ee-hole insertionnsure the