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Repair & Upgrade

Inline USB-A Power Meter & Voltage Tester

An inline USB-A meter that reads voltage, current, power and accumulated capacity on a single display.

Black inline USB-A power meter standing upright, its display showing voltage, current, elapsed time, power and accumulated capacity1 / 3 images
$19.99

Free shipping on orders of $59+

Ordering opens at launch

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Shipping
Standard shipping is a flat $5.99, and free on orders of $59 or more, to Puerto Rico, Washington DC and the contiguous United States. Shipping options and costs will be shown at checkout once ordering opens. Full shipping policy
Returns
You may request a return within 30 calendar days of your order's confirmed delivery date. Requesting a return does not automatically guarantee a refund. Full return policy

What it does

  • Reads voltage from 3–30 V in 0.01 V steps and current from 0–5.1 A in 0.01 A steps

  • Calculates power up to 299.999 W in 0.001 W steps

  • Accumulates capacity to 99,999 mAh and energy to 999,999 mWh, with an elapsed timer up to 999 hours

  • Plugs inline between a USB-A power source and a USB-A cable; a short press cycles the display and a long press clears the accumulated readings

  • 65 × 24 × 14 mm, with ±1% stated overall accuracy and 0.1 Ohm line loss

Overview

An inline meter that sits between a USB-A power source and the cable you are testing, showing what is actually being delivered.

Who it's for
Anyone who wants to know whether a charger, cable or port is really supplying what it claims — while repairing, upgrading, or simply working out which cable is worth keeping.

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