This simple charge controller first appeared in the October 2001 issue of QST. It has also appeared in several of the ARRL's publications.
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The Micro M+ comes in kit form. There is no case included with the kit.

The Micro M+ will handle up to 4 amps of current from your solar panel. There's a single LED that indicates the charging status of the battery you're charging.
The Micro M+ comes with everything you see here. There is no case included in the kit.
Assembly is quick and easy, but the pcb is small so the Micro M+ should not be your first kit you ever soldered together.
You will need a digital VOM and a adjustable power supply.









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