​Feature:【Premium Material】This lithium battery adapter is made of ABS+ fireproof material with short circuit protection, over current protection and under voltage protection. Safe and durable.【Scope of application】 This adapter is suitable for DE 18V 20V lithium battery, input voltage is DC 14-21V, DC socket interface, output voltage 12V, output maximum current 5A, USB interface output voltage 5V, output maximum current 2A.【Scenario】This 18V 5A converter is suitable for water pumps, fans, LED lights, speakers, routers, etc.【Easy to carry】This adapter is equipped with a belt clip, which is convenient to carry and meet your needs anytime.【Battery level display function】When the battery is inserted into the converter, the power indicator light will be on for about 5 seconds, and then turn off. When the indicator is off, press the power indicator button once, and the power indicator will go out after about 5 seconds. If the light keeps flashing, the battery needs to be charged. When the three lights are on at the same time, the battery power is greater than 80%. The two lights are on at the same time, and the battery power is greater than 50%. One light is on and the battery level is greater than 20%. One flashes and the battery is less than 10% charged. The three lights flash at the same time, the battery has run out, and the converter stops outputting.Specification:Material: ABS+ Fireproof MaterialRated Voltage: 18VRated Current 5ASize: 9*5cm/3.54*1.97inchPackage Included:1 * Power Source Charger Battery Adapter