High Efficiency MPPT Solar Charger

High Efficiency MPPT Solar Charger

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A 75 watt MPPT Solar Charger with tons of features. Efficiency > 97%, USB interface, data logging, 2 USB charging ports and much more…by Lukas Fässler

This is an open source project that I’ve been working on for several years now. From its modest beginnings it has evolved to a rather sophisticated device with a USB interface, powerful USB charging ports, a 20×4 character LCD, a rotary encoder with push button, precision measurement of everything from temperatures, voltages and currents. There are 4 switchable power outputs, a year’s worth of data logging with real time clock and calendar. It connects to a desktop app via USB where users can monitor and adjust every aspect as well as see what the charger did while they were away.

High Efficiency MPPT Solar Charger – [Link]

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chanrgerMPPTPhotovoltaicSolar
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