Deep cycle battery: RC vs Ahr??
I need some of you "smarter than me" people to enlighten me ... please. I'm looking at batteries for my RV (travel trailer) to be able to boondock longer without running the genny or going solar (whi...
Forum Discussion
MEXICOWANDERER wrote:
Batteries discharge differently. Look at the FINISHING VOLTAGE of a reserve capacity test.
"Can't be overdrawn - still have checks left" ineptitude.
yes dead 10.5
100 hr test
ridiculous 1 amp drawn ?
not useful in real life too you or me
i can pull 20 amps easy at night for several hours
and 8-9amps for the fridge off/on all night long
if a battery could do 25amps for 180 minutes aka 3 hours
then (2) could do 50 amps for the same time span
or do 25 for 6 hrs or more
this is info that is easier to compare and compute
its a constant draw not a variable draw 'per battery size' over a fixed time
neither system is perfect
but you can't compare batteries, using two different rating systems
