Moderated Discussion Areas
ContinuousWave: Post-Classic Whalers
Battery great stuff
|Author||Topic: Battery great stuff|
posted 07-29-2004 07:09 PM ET (US)
I have put a solar battery charger on my T-top and this keeps my Batteries ready to go...Great idea. Just plug into the cigarette lighter.
posted 07-30-2004 06:00 PM ET (US)
Is that a good idea to continuously charge your battery like that? Is there any risk of shortening the battery's life?
posted 07-31-2004 08:43 AM ET (US)
Depends on the charging rate. Too fast would be bad. But
letting it sit for a couple of months is bad too.
A solar cell coupled to some smart electronics would be great,
posted 07-31-2004 01:35 PM ET (US)
How does this work with Boston Whaler boats designed before 1990?
posted 07-31-2004 01:41 PM ET (US)
Can you give us a product name and URL for ordering/info? Thanks.
posted 08-05-2004 12:10 PM ET (US)
been doing this on my 27' sailboat for years. its a racing boat with only a 2HP OB for propulsion. I have a battery on board to run the instrumentation and lights.
West Marine advisor has an excellent article on this (or used to). you need a regulator when the current output exceends a certain multiplier against the battery's Ah rating (something like that).
I have the flexible panel - the most durable of all of them. It puts out something near an amp in full light. for that, I can just wire it directly to my gel cell battery without needing any regulation since it is slightly more than a continuous trickle charge. The thing cost something like $150 - they are pricey, but is some of the best money I have ever spent on my sailboat.
In one week, I can easily put something like 40Ah back into my battery. I have NEVER charged that battery over the course of a season - only during the winter. The solar charger will easily keep up with my power requirements for running the instruments and lights for a day or so based on my normal duty cycle.
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