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My car battery charger puts out 10A when the voltage is low. Might that not be a bit much for a 12AH battery?Hero999 said:Yes, an automotive battery charger would be fine.
Hero999 said:Yes, an automotive battery charger would be fine.
hi hero,Hero999 said:Thanks for that information, I didn't know that, I incorrectly thought that all lead acid batteries had maximum voltages of 14V/
Nicksan said:Thanks for the info.
No prob Hero, I didnt try the auto battery.
I will have to look for some of charging circuits here because this wall wart got really hot and if I left it plugged in any longer it would have probably melted.
I found these plans....
**broken link removed**
I am a bit confused though, why would the input voltage be 18V? Why not design the circuit so that it starts from the main?