Re: 12 volt electrical Question?

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Posted by Island Mike on December 08, 2017 at 00:07:00 [URL] [DELETE] :

In Reply to: Re: 12 volt electrical Question? posted by steveVa on December 07, 2017 at 19:22:25:

Wot Loren said above. I forgot: Use matched batteries if you are joining them for more volts. Deep cycle is best for most everything. But Use a dedicated starting battery with a lot of cranking amps. CCA on the sticker.
I have accurate amp meters on the boat, to measure amps out from nearly all devices, and amps in from the solar panels. The problem with the new style amp meters is, if they quit no volts flow thru, and what was downstream will not work. So I use a dedicated fused cig lighter style plug just in case. Plus another plug in type.
LED bulbs can be bought in strips starting around 4 inches and going up. One regular 1157 type bulb will draw around .75 amps. 6 or more LED lights barely move the amp meter. LED bulbs that plug in like an 1157 bulb can cost a bunch.
The strip over the sink in my rolling condo is 18 inches long. Most in the boat in the corners are 6 inches, except the main cabin which is about 12 inches I think.

Island Mike

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