Dual Batteries
Ok I walk out this morning and I left the sunroof open. So I turn the trucks key to the one position. Roll the sunroof up and leave the key on. 5 hrs later I get in and its dead. I get in started and decide to charge the batteries I wasnt sure of if it was ok to just hook some battery chargers up with the batteries still hooked to the Truck so I undo the batteries from the terminal and start the charging.
The question is can I hook battery maintainers to both batteries and charge them while the batteries are hooked to the truck |
One battery tender is ok but not 2 with the batts hooked to the truck or together. You don't want to put more than nominal 12 volts to the system or it will go into melt down. You can hook up one batt charger/starter to them with them hooked to the truck to get it started.
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So will one battery Maintainer charge both batteries
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Eventually yeah.. Just get the truck started and drive it to charge the batteries. Can't you jump it with another vehicle or something?
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Oh I got it started ran fine. I was just wondering for thise cold times that she may not be ran for a day or two
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Yeah, just hook a tender up to one battery and leave them in the truck.
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The important question to this is the battery setup: are they simply connected in parrallel, or do you have relay between them? Or a real diode insulator setup?
Do you use the same batteries: same brand, age and capacity? Depending on your battery setup you may need different chargers. Details are important here! |
Originally Posted by parkercoman
(Post 586178)
So will one battery Maintainer charge both batteries
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They are the same batteries and I am assuming that they are just the way Ford put them in the truck if that helps
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For you to charge both batteries at the same time at the same rate. Hoop up the pos. to one battery and the neg. to the other battery. Now both will charge at the same rate.
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