Auto Step Up/ Down Power Supply DC Converter Constant Current Buck Boost Module
4,12 €
Conversion efficiency: 87 ~ 91%(Boost); 87 ~ 89%(Buck). Output ripple: 20mV (12V 3A), while the common module is far more than 100mV! turn the lights function! Easy to use! Output current: 3A (add heat up to 4A).
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