How to freshen up a battery?

Donald said:
I have that Ancel. I know when I input the battery capacity in MCA the display is absolutely wrong. That has me wondering about the regular CCA display.
Click to expand...
It's close enough. I believe all these tester use slightly different algorithms. I have a Schumacher digital battery tester and the CCA ratings can sometimes be very close to the Ancel, and on other batteries they can be quite a bit off...like 70 to 100CCA differences. The Schumacher usually reading higher. What I do like about them is by using them consistently, I can judge which direction a battery is going. I tend to favor using the Ancel only because it typically gives a lower reading.
 
y_p_w said:
For that application, I'd think the best batteries would be something like a Panasonic (or similar) OEM batteries that are made in Japan. With service caps/knobs and white semi-translucent housing with min/max level markings to replace lost water. I haven't seen an American made battery like this since the early 80s, although those usually had flush-mounted caps without any knobs (needed a screwdriver to take off/tighten).

b491980d241a4fab9e9ffb35f8eb4113.jpg


Obviously a lot of new cars end up in a dealer lot for some time without being driven/charged and they have to be able to survive that. These factory style batteries might have a lower CCA rating, but that's not going to be a problem in a warm climate. And some dealers actually sell these factory style OEM batteries.
Click to expand...
My 5th Gen 4Runner’s OEM was a Panasonic. It lasted eight years without trickle charging or conditioning. That’s a record for me.
 
f355spider said:
It's close enough. I believe all these tester use slightly different algorithms. I have a Schumacher digital battery tester and the CCA ratings can sometimes be very close to the Ancel, and on other batteries they can be quite a bit off...like 70 to 100CCA differences. The Schumacher usually reading higher. What I do like about them is by using them consistently, I can judge which direction a battery is going. I tend to favor using the Ancel only because it typically gives a lower reading.
Click to expand...
Entering 800 MCA the display shows the battery good and has 1000 CCA of capacity. That's absolutely incorrect. Entering 615 CCA (800 MCA X .77 conversion factor) shows the battery good at the proper CCA.

Maybe I am looking for an excuse to buy a Midtronic battery tester?
 
Donald said:
Entering 800 MCA the display shows the battery good and has 1000 CCA of capacity. That's absolutely incorrect. Entering 615 CCA (800 MCA X .77 conversion factor) shows the battery good at the proper CCA.

Maybe I am looking for an excuse to buy a Midtronic battery tester?
Click to expand...
I've never used the MCA setting. I have only used the CCA or AH.
 
bowlofturtle said:
My dad's camry has a leaking terminal and well its from 2017. Its a 24F and he just happen to noticed i had a 24F used battery sitting my garage.

He wants it for his car. I don't have issues but its been sitting there for 4+ years. I told him it could be dead as well. I use it every now and then as my 12v supply to test a sensor. Last i check it still had like very low 12v.

My plan was to leave it on the trickle charger at 1 or 2 amp for a few days and then install it in his car. Its a Walmart $50 cheapy if i recall correctly. Not sure if its worth it to open up and add water.
Click to expand...
A battery from 2017 has lasted longer than it should have. Buy new
 
You must log in or register to reply here.

Similar threads

D
Battery issue or something deeper?
Replies
9
Views
263
50yr Street Mech
Ed_Flecko
How to remove "surface charge" to accurately test battery?
Replies
13
Views
875
f355spider
T
noco battery charger voltage spiking?
Replies
19
Views
613
y_p_w
B
Solar Car Battery Charger question
Replies
3
Views
707
meep
tc1446
Tractor Battery Died Instantly
Replies
8
Views
642
tc1446
Back
Top Bottom