Features Convenient Charging: The lithium battery adapter has two USB ports, 5V 2.1A output, provide fast and convenient charging, very powerful. Wide Applications: 12VDC hole output can provide 12V DC power, the lithium battery adapter can be used for heating clothes, air conditioning clothes, heating gloves; small heating, cooling appliances. Widely be Used: Powered by lithium batteries, the lithium battery adapter making your power tool battery versatile​​​ and important where electricity is not available. Compact and Light: The work light of lithium battery adapter is compact, similar in size of your lithium battery, but much lighter. Built in strap clips attach to a belt or holster. Basic Specifications: 3W LED light with 3 levels(100-200-300LM), the lithium battery adapter can illuminate a room of 10 square meters, with switch reset button. Feature: 1. FOR OUTDOOR OR HOME: Lithium battery USB adapter is ideal for car repairs, workshops, jobsites, walking, camping, fishing or home outages Specification: Item Type: Lithium Battery USB Adapter Material: ABS Input: 14.4-20V Output: Dual USB, 5V 2.1A per port, 4.2A total Luminous Flux: 100-200-300 (LM) Light Source: White Lighting Angle: Direct Control System: Switch Service Life: 1000 (H) Appearance Size: Approx. 105 x 75 x 50mm / 4.13 x 2.95 x 1.97in Shell Material: ABS Protection Class: IP65 Installation Method: Surface installation Package List: 1 x Lithium Battery USB Adapter 1 x User Manual Note: If this product is not in use, it is best to remove from the battery to avoid power consumption. Package List 1 x Lithium Battery USB Adapter 1 x User Manual