1.Features: 1>.High voltage resistant terminal. 2>.With high quality acrylic shell. 3>.Support complete disability output. 4>.Support anti-reverse protection. 5>.Support short circuit protection. 6>.Support undervoltage protection. 7>.Support anti-backflow Protection. 8>.Support Automatic buck/boost voltage. 9>.Support enable output. 10>.LCD screen HD display. 11>.Support charging function. 12>.Support select output. 13>.Support display input voltage. 14>.Support display output voltage, current, power. 15>.Support working status indicator. 16>.Multiple parameters are displayed simultaneous. 17>.High current, low heat. 2.Parameters: 1>.Product Name:ZK-SJVA-4X 4A Step Down/Up Power Supply Module 2>.Product Number:ZK-SJVA-4X 3>.Working Voltage:DC 5.5V-30V 4>.Output Voltage:DC 0.5V-30V 5>.Output Current:4A(4A need heat sink;3A is stable for long time) 6>.Output Power:50W(50W need heat sink;35W is for 3A) 7>.Voltage Display Range:0~30V 8>.Voltage Display Precision:+/-0.5V 9>.Voltage Display Resolution:0.05V 10>.Current Display Range:0~4A 11>.Current Display Precision:+/-0.3A 12>.Voltage Display Resolution:0.005A 13>.Conversion efficiency:About 94% 14>.Working current:30mA 15>.Soft Starter:Yes(Failure at high power load) 16>.Anti-reverse Protection:Yes 17>.Anti-backflow Protection:Yes 18>.Short Protection:Yes 19>.Work frequency:180KHz 20>.Working Temperature range:-20?~85? 21>.Working Humidity range:0%-95%RH 22>.Size:66*48*21mm
