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Test the Output Of Your USB Chargers With This $7 Meter

Tacklife USB Power Tester | $7 | Amazon | Promo code HI5QMGI9
Photo: Amazon

Wondering if all those USB chargers you’ve collected actually put out as much power as they claim? This $7 dongle sits between your charger and a phone or tablet, and displays easy-to-read voltage and amperage figures so you can see how much power is really flowing through. Just be sure to use promo code HI5QMGI9 at checkout to save.

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Shep McAllister

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