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WS400A Solar Panel Tester Review

The WS400A solar panel tester can automatically or manually test the power and voltage of your solar panels in real time. The test range is from 1 Watt to 400 Watts and up to 20 AMPS. It connects directly to the MC4 connector on the solar panel.

Our Pick
Photovoltaic Panel Multimeter Solar Panel MPPT Tester (LED Display)

Reasons to Buy:

Fast and easy to use

LED Display

Test Multiple Panels Fast


Reasons to Avoid:

More expensive than an old fashion multimeter

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