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09-15-2022, 08:01 PM
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#1 | |
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AF Newbie
Join Date: Sep 2022
Location: Columbia, South Carolina
Posts: 1
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Battery Charging Question - Simple
If I wanted to charge some double A batteries using my car battery, I just connect the positive side of the battery to positive side of the double A and do likewise with the negative, right? Just making sure. Saw someone do it before but forgot. Don't want it to blow up in my face. I plan to probably use copper wire with sheathing and wear some safety glasses and gloves and all that.
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09-15-2022, 08:56 PM
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#2 | |
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AF Newbie
Join Date: Sep 2022
Location: Tainan
Posts: 55
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Re: Battery Charging Question - Simple
Dont
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09-18-2022, 07:30 AM
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#3 | |
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SHO No Mo
 
Join Date: Jun 2004
Location: Cedar Rapids, Iowa
Posts: 10,947
Thanks: 99
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Re: Battery Charging Question - Simple
I hope this isn't a serious post. A car battery is over 12 volts, while a AA battery is a bit over 1.5 volts if alkaline or NiZn, and >1.2 volts if NiCd or NiMH. NONE of these chemistries are designed to be charged by applying 12+ volts to them, and if you want the rechargeable batteries to last, there is a charging algorithm (varies depending on battery chemistry) to maximize battery life.
-Rod |
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RidingOnRailz (09-18-2022)
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09-23-2022, 04:03 PM
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#4 | |
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Caution: Monkeys bite!
Join Date: Apr 2004
Location: near Denver, Colorado
Posts: 10,112
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Re: Battery Charging Question - Simple
 Nope.
__________________
Ours: 2020 Jeep Wrangler 2.0, 53k 2013 Toyota FJ Cruiser, 84k Kids: 2005 Honda CRV, 228k |
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09-23-2022, 05:00 PM
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#5 | ||
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AF Enthusiast
Join Date: Jun 2009
Location: Stamford, Connecticut
Posts: 769
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Re: Battery Charging Question - Simple
Quote:
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10-01-2022, 06:41 PM
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#6 | |
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AF Regular
Join Date: Nov 2004
Location: Pittsboro, North Carolina
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Re: Battery Charging Question - Simple
Advice from someone who had a car battery explode in his face, don't play around with car batteries
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RidingOnRailz (10-01-2022)
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10-02-2022, 01:49 PM
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#7 | ||
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Caution: Monkeys bite!
Join Date: Apr 2004
Location: near Denver, Colorado
Posts: 10,112
Thanks: 14
Thanked 67 Times in 62 Posts
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Re: Battery Charging Question - Simple
Quote:
__________________
Ours: 2020 Jeep Wrangler 2.0, 53k 2013 Toyota FJ Cruiser, 84k Kids: 2005 Honda CRV, 228k |
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