On Wednesday, February 12, 2014 7:08:35 AM UTC-5, Jim Wilkins wrote:
"Gunner Asch" wrote in message

...



I scored (2) deep cycle batteries, pretty good sized

ones...but..they

are 8 volt batteries.



If I hook them in series..I get 16.75 volts when charged with a

decent

"deep cycle/gell cell" charger



If the voltage is too high..what cheap and easy method is there to

drop the voltage down to 13.5/12vts to run my various electronic

devices? Besides a big as resistor....?



http://www.amazon.com/dp/B00BYRJXGA/..._26725410_item



I haven't tested mine much beyond confirming that it works. Its input

current from 24V is considerably less than its output current at 12V.

jsw

This thing is small enough and cheap enough that I would throw a couple of them into an ammo box (or some other sealed enclosure) and split the load between the two.

Good find, Jim.

"rangerssuck" wrote in message
...
On Wednesday, February 12, 2014 7:08:35 AM UTC-5, Jim Wilkins wrote:
"Gunner Asch" wrote in message


http://www.amazon.com/dp/B00BYRJXGA/..._26725410_item
I haven't tested mine much beyond confirming that it works. Its
input
current from 24V is considerably less than its output current at
12V.
jsw

This thing is small enough and cheap enough that I would throw a
couple of them into an ammo box (or some other sealed enclosure) and
split the load between the two.

Good find, Jim.

It lacks an undervoltage detector to shut it off before the battery
voltage drops too low:
http://www.progressivedyn.com/battery_basics.html
"NOTE: Discharging a [12V] lead acid battery below 10.5 volts will
severely damage it!"

jsw