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Author Topic:   Battery great stuff
pacis posted 07-29-2004 07:09 PM ET (US)   Profile for pacis   Send Email to pacis  
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.
MyOutrage posted 07-30-2004 06:00 PM ET (US)     Profile for MyOutrage  Send Email to MyOutrage     
Is that a good idea to continuously charge your battery like that? Is there any risk of shortening the battery's life?
Chuck Tribolet posted 07-31-2004 08:43 AM ET (US)     Profile for Chuck Tribolet  Send Email to Chuck Tribolet     
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,
if the boat is kept outside in a sunny place.


jimh posted 07-31-2004 01:35 PM ET (US)     Profile for jimh  Send Email to jimh     
How does this work with Boston Whaler boats designed before 1990?
pvonk posted 07-31-2004 01:41 PM ET (US)     Profile for pvonk  Send Email to pvonk     
Can you give us a product name and URL for ordering/info? Thanks.
JohnJ80 posted 08-05-2004 12:10 PM ET (US)     Profile for JohnJ80  Send Email to JohnJ80     
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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