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6
votes
Accepted
How is the output of an MPPT solar charge controller connected to a battery?
An MPPT (Maximum Power Point Tracking) charger gives whatever is specified as its output, whether it's a 4.2V Li-Ion cell, or a battery of any other voltage, that should be specified on the charger. T …
1
vote
Solar panel cut off with MOSFET
The body diode of your MOSFET will still pass the solar panel current into the charger, minus its forward voltage drop.
Since the voltage being controlled is above the positive supply rail of the MCU, …
0
votes
How to ground DC 12V battery, charge controller and solar panel?
I would say it depends on your height vs surroundings. If you are up on a hill and are likely to draw lightning, I would recommend grounding.
More importantly, you should place spikes slightly away fr …
1
vote
Accepted
How can I use my two 33v solar panels to charge my two 12v trailer batteries while at same t...
If you connect the batteries in series while using only one of them, you will definitely need a voltage balancer between them.
I would recommend keeping them in parallel and getting a good MPP PWM ch …
1
vote
Achieving MPPT of a solar panel with an LM2596
A simplest form of MPPT is merely an input voltage monitoring, where you set your converter/charger to follow the maximum power point voltage indicated on your specific solar panel. You haven't listed …