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  1. Energy & Electricity
    I have been looking at / researching what I can about batteries, solar-systems, wind-generators, wiring, etc for quite a few years now. I have been using a calculator to try to figure out what works in theory vs. what works in reality. This morning I found a quote that explains very well what...
  2. Energy & Electricity
    I like to know $$ vs Life on Deep Cycle Batteries. I will only be using them for DC output devices such as lights, small water pumps. As I improve my system; my goal is to have some type of emergency power with an ac converter to run an item as large as window unit Air conditioner for an...
  3. Energy & Electricity
    anybody heard of this? I saw it on National geographic once where a tribe somewhere used cow crap and make batteries to charge a radio Would be a good science project:D
  4. Energy & Electricity
    Has anyone heard anything about nuclear batteries slowly evolving? I heard they make it such a small amount of radiation that it's not that dangerous but it also provides a lot of power for a really long time.
  5. Energy & Electricity
    I've seen people put their batteries in the refrigerator before.....is that supposed to make them last longer or something?
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