Battery Charging Question - Simple

BoldSquatter · 09-15-2022, 09:01 PM

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.

ducked · 09-15-2022, 09:56 PM

Dont

shorod · 09-18-2022, 08:30 AM

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

fredjacksonsan · 09-23-2022, 05:03 PM

Nope.

RidingOnRailz · 09-23-2022, 06:00 PM

Quote:

Originally Posted by fredjacksonsan

Nope.

Did you hold his beer for him after he said "Watch this, y'all"?

Mrbizness1 · 10-01-2022, 07:41 PM

Advice from someone who had a car battery explode in his face, don't play around with car batteries

fredjacksonsan · 10-02-2022, 02:49 PM

Quote:

Originally Posted by RidingOnRailz

Did you hold his beer for him after he said "Watch this, y'all"?

LOL no, but his hair was standing up quite a bit more while the EMTs were working on him.

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