echristley(at)att.net
Guest
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 Posted: Wed Jun 17, 2020 2:26 pm Post subject: With Flooded cells, at what discharge does damage start? |
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I recently bought a solar panel that maxes out at 14.4V. It was advertised for that, but I tested it anyway. Given that it will output 0.0V half the time, it's max output of 0.38A should be just right.
It's flexible, and I attached to my canopy cover with velcro.
On Wednesday, June 17, 2020, 2:28:06 PM EDT, skywagon185guy . <skywagon185(at)gmail.com> wrote:
Solar charger.....
These are wonderful for certain applications, but, not for flooded 12v common batteries. A "12v panel", can raise to 18v on a sunny day.
Even if it is only pumping out 0.1 amp, that will overcharge most lead acid batteries eventually, leading to "gassing".
A cheap fix possible for using a low current panel is to trap the voltage output with a zener type diode or similar chosen to shunt current at some recommended voltage.
On Sat, Jun 13, 2020 at 5:41 PM Ernest Christley <echristley(at)att.net (echristley(at)att.net)> wrote:
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Would a solar trickle charger help? I got one off Amazon for less than $15 that is flexible and tops out at 14.4V.
On Saturday, June 13, 2020, 10:25:34 AM EDT, Steve Stearns <steve(at)tomasara.com (steve(at)tomasara.com)> wrote:
Greetings,
This isn't a relevant question for modern aircraft but I think the membership of this list will likely know so I hope I don't bother anyone by posting here.
If you have a rarely used car with a traditional flooded cell lead-acid battery and keep an eye on the battery voltage, at what voltage should it be recharged to maintain a normal life? My old jeep has a small load while parked so the battery slowly drains and it is neither convenient for me to disconnect the battery nor keep a maintainer connected. If I charge it back up with my smart charger before the (nominally 70deg f) battery voltage drops to say, 12V will I still get full life out of the battery?
Thanks in advance,
Steve Stearns
O235 Longeze
Boulder/Longmont CO
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