Polkadot Small Wind Generator Alternator USB Phone Charger Solar Power Teaching Model

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Simply charge your phone anywhere with this mini wind turbine power generator.
Simply plug your phones USB into supplied voltage regulator, pop your wind turbine in a wind stream (high wind power) and you have power generation.
Alternatorhas negative and positive pole, pls figure out which side is negative and which is positive, or it will burn out
It can be used as a wind power teaching experiment. Great to cultivate students and kids hands-on ability.


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