10pcs DC-DC Automatic Buck Boost Module Step Up and Down Board 3-15V to 12V 9V 4.2V 2.5-15V to 5V 3.3V

10pcs DC-DC Automatic Buck Boost Module Step Up and Down Board 3-15V to 12V 9V 4.2V 2.5-15V to 5V 3.3V
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sku: 1005003663829293
$12.79
Shipping from: China
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