Size of solar maintainer for car battery?
Had a 2.4W panel for $30 or so, on my truck while in storage. Seemed to be adequate at latitude 27 with plenty of sun and almost no clouds. Flat on the roof. Didn't worry much because the battery was...
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MEXICOWANDERER wrote:
Picky-picky? Yes. But this is coming from a hate-to-buy-batteries cheapskate.
You telling me. 1,700 pesos a pop in the only auto-shop in puebla. A good tip on "dusk overcharging" and mini-cycling, thanks. I might still get 4.8W panel, looks like no potential to harm anything and battery would feel better. Begging around for a jump-start is never a fun.
Ambient temps 100F (make it 110 under the hood) is likely in daytime during my absence in summer, dropping to 85 in the night. 85 is still pretty high, so 0.8-1.0 AH self-discharge over 24 hours is possible.
