power budget

[Nan and Sandy Sanders]

I have a walmart  115 ah deep cycle I got in 
early 2011. It has spent at least 1.5 years 
hooked to one of these 
http://www.batteryminders.com/batteryminder-model-12248-12volt-8-amp-12v-8a-charger-maintainer-desulfator/ 
(cheaper if you shop around) without having to 
add water. I use it to run radios, inverters and 
such when I don't want to run a generator. I have 
been using the charger on another battery for the 
last 3 months and this 3.5 year old Walmart 
battery not charged in 3 months reads 12.87 v.
http://batteryuniversity.com/ is good place to start learning about batteries.
      Sandy
      WB5MMB



At 12:51 AM 7/27/2014, Alex Fraser wrote:
>I've got a deep discharge lead acid battery on 
>my boat.  It is about the size of a big car 
>battery.  I bought it new at Walmart.  So far 
>I don't have a way of charging while I'm 
>afloat.  I just bought a Chinese Volt Amp 
>module and I'm slowly figuring out what stuff 
>draws.   I guess what I'm looking for is 
>battery stories from those that have been 
>playing with these chemical/electric wonder 
>boxes.  Boat experiences would be especially 
>welcome.  Any sea stories with electronics would be cool too...
>
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