I’ve posted in other threads that I kept a 10W solar panel on the dashboard to keep the battery topped up. No more, at least for the time being. I first bought a 5W panel , thinking that would be adequate to make up for parasitic drain on my infrequently driven Tucson. However, measurement reveale…

Disappointing solar panels from Amazon

circuitsmith August 15, 2022, 9:00pm 8

Here’s a sneak peek at my portable charger.
So far, LiFePO4 cells, booster board, OBD power cord, carry bag.
Waiting for display and cell balancer board.

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Disappointing solar panels from Amazon

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