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:Specifications
Input voltage | 18V nominal solar panels (no load about 21V solar panels) |
Output voltage | Output voltage: 2-4 series lithium battery or lithium iron phosphate battery (can be adjusted by external resistance) |
Output current | maximum constant current 3A (Charge current > 2A, please add heat dissipation) |
Wiring method | Welding plate |
IN + | input positive |
IN - | input negative (SOLAR) |
BAT+ | battery positive |
BA- | battery negative |
Size | 45* 31mm/1.92*1.22inch |