Module Properties: non-isolated constant current and voltage module Rectification: non-synchronous rectification Conversion efficiency: 95% (the highest) Switching frequency: 300KHz Output ripple: 50mV (max) 20M bandwidth Load Regulation: ± 0.5% Voltage Regulation: ± 2.5% Operating Temperature: -40℃to +85℃ Voltmeter Ammeter Measurement accuracy: 0.1% Refresh rate: about 200ms / times Display: 0.28"digital tube Current Range: 0A-5A Voltage range: 5V-30V Please connect right as the printed :"IN--IN+-OUT-- OUT+"- or the Module will be burned. Package included : 1 x Constant Current/Voltage Battery Charging Module Details pictures :
Trustpilot
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