Posted: 8/14/2012 1:43:42 PM EDT
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I am in the beginning stages of planning and building my Emcomm Box and Power Boxes.
I am going to use a rack mount case for the Icom-7000 and Ft-7900. Signalink USB for digital modes. I plan to wire 2 35 Ahr batteries in parallel and place them in a battery box. My question is what gauge wire did you use to connect the batteries together? Also does anyone have pictures of their battery box with dual batteries? That way I can get an idea of how much room I will have. Thanks, Guys and Gals. |
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I am in the beginning stages of planning and building my Emcomm Box and Power Boxes. I am going to use a rack mount case for the Icom-7000 and Ft-7900. Signalink USB for digital modes. I plan to wire 2 35 Ahr batteries in parallel and place them in a battery box. My question is what gauge wire did you use to connect the batteries together? Also does anyone have pictures of their battery box with dual batteries? That way I can get an idea of how much room I will have. Thanks, Guys and Gals. Ok, 2 35AH are going to be a heavy ass box! I use a single 35ah battery to supplement my 17ah internal battery. I would not worry so much about batteries, having enough to get you going while you procure a power source. Also the 70ah is not going to last too long on transmit. Keep in mind standby on the 7K is over 1.5 amps. |
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My question is what gauge wire did you use to connect the batteries together? the wire gauge needed is dictated by the load on the batteries, not the capacity of the batteries. ar-jedi I would agree with this, and the current limiting device is determined by the wire size, or is it the other way around? I'd go with 12 AWG stranded and a 20 A fuse minimum, though I haven't looked up the current requirements of your rigs. Could be 10 AWG and a 25 A fuse, etc. That's for the loads though. If you tie two batteries directly together they will float fine assuming they're identical, but they'll discharge each other sitting in storage without a constant charge applied. |