Features: Experience seamlessly power conversion with the For 18V-21V to 220V inverter, featuring three USB outputs for versatiled charging needs. Support 3 USB output charging ; 220V output support up to 100W, used for fan light and more. Suitable for batteries with 4cm spacing, input DC18V-28V, output AC220V. Perfectly for outdoor or emergency situations, this inverter can power mobilephones, tablets, fan and lights effortlessly. Equipped with overheats and overloads protecting, this durability plastic inverter ensures safe and efficiently energy conversion, making it essential accessory for power needs. Specifications: Item: For 18V-21V to AC220V Battery Boost Inverter Support 3 USB output charging and 220V output support up to 100W Suitable for batteries with 4cm/1.57in spacing Support Input DC18V-28V, output AC220V Orange USB output 27W, white USB output 15W, voltmeter shows 5V-30V Suitable for 18V BL1815 BL1820B BL1830 BL1830B BL1840 BL1840B BL1850 BL1850B BL1860 etc. (Battery not included) Package size about 103x103x68mm/4.05x4.05x2.68in Component： Plastic Package Includes: 1PC 18V-21V to 220V inverter note: Due to problems of lighting effect there will be certain tolerances in product, please understand. Please allow 0-1cm error due to manual measurement.