well, originally set out to drop off my used oil at autozone, then decided since it was such a nice day, I would explore some power line trails. Had to go down a pretty steep hill to get to the bottom, looked dry so figured it wouldnt be an issue coming back up. Not the case. couldnt get 10 feet back up the hill with both lockers on and and running start. Hill is roughly 400 yds long. Couldnt winch up the middle since no trees, had to go up one side where they had cut down trees and just left them all up the one side. So was winching over trees, branches, logs, and rocks. Winch over heated about half way up. Slipped walking back down the hill from setting the winch cable, foot got caught in some branches and knee popped twice (i assume popped out of the joint then back in). Did the same thing about 30 mins later.
Got about 20 feet from top when the winch completely died, battery was drained I assume and alternator quit as well. Had to get a buddy in a jeep to pull me the rest of the way. Luckily I was close to the top at that point, because he would have gotten stuck for sure if he tried to go down the hill.
have a Dr. appointment this afternoon for knee, I can barley walk on it.
Sweet creek at the bottom though:
https://youtu.be/Tw9QGYd69AY
I think Optima stopped selling batteries and started selling their label some years ago now. I like Odyssey which I think are better batteries and even offer more charge density that Optima can offer with their design.
That said, with a full battery charge connect an amp meter between the battery and main fuse box to see what kind of drain you have while the vehicle is parked.
Don't let any battery sit in a modern vehicle for a long time without a maintenance charger as it will quickly be ruined by sulphation which is the main cause of demise for all lead acid batteries of any type. Once it's sulphated, it's pretty darn hard to save them but sometimes that can be accomplished with a pulsing desulphating charger.
Be sure the charger you use is designed for the type of battery you have, AGMs all want to see a different charge profile than standard wet cell types.
Thanks yeah, the yellow top would be dead after less than a week. I will check the amp draw when I figure out what is going on in its current state. My knee is hurt and its snowing so wont be this week lol
possibly the fault lay in your charging system.
Tho it's likely there is some parasitic draw occurring as well.
Did you test the alternator's output
using a voltmeter ? (when it was working)
14+ volts when running ?
Possibly the alternator was failing...
and not charging properly...
before it died completely ?
I have one of the newer yellow tops.
Definitely not as good as they used to be.
But mine still holds it's charge
even when not operated regularly.
I do however connect a float charger
and let that charge for at least 24 - 48 hrs on occasion.
I utilize the cheapo Harbor Freight float charger(s).
^ I say charger(s) because I run dual YT's
and so both are float charged simultaneously.
I paid $ 7.99 for each float charger.
Yes they are cheap and may need be re soldered at the clips.
But that's the price one pays for cheap.
Even with using the float chargers...
on occasion a proper AGM charger should be utilized...
so as Dick said... the sulfate build up is broken up.
Doing that requires a higher charging rate.
Curious... do you assume the battery on the stores shelf
is fully charged when you purchase that ?
I always add charge to a battery that has been stored
on a shelf... because I have no idea how long it's been there.
I would probably agree with Dick...
that the Optima batteries are not
the quality they used to be.
But I've gotten more then 4 years use
from my newer YT.
and it still lives.
Tho' I must say...
I have nearly 10 years use
on my early production YT
and it holds more voltage capacity
then does my newer YT.
Lucky if my new YT reads 12.54v
after sitting unattended for a week or so.
Whereas my 10 year old YT will read
at least 13.4v when idle for the same time frame.
There is seemingly a difference between
what's sold to the general public
and what is sold for industrial use.
The later seems to be more reliable
and retains more voltage.
I won't buy another YT sold at retail stores.
Industrial duty supplier purchase specifically.
If I can't purchase the industrial Optima
I'd go with an Odyssey/Sears Platinum instead.
Unfortunately for me...
I'd have to fab up a new battery box/hold down
to install the Odyessey/Sears batteries.
So I just keep hangin' in there with what I got.
Very possible. The alternator had gone out on our labor day ride and then started working again the next day. Havent had an issue with it since, but that could be part of the issue. I have my toyota alternator still that I am going to send it off to that place (cant think of the name, Doyles?) that re-winds them to a higher amperage.
I do have it on a float charger, I put it on one after I started to have this issue.
http://www.amazon.com/Battery-Tender-022-0150-DL-WH-800-Charger/dp/B000CITKCE/ref=lp_15707061_1_14/180-7595643-2714436?s=automotive&ie=UTF8&qid=1455031502&sr=1-14
Optima's website actually says not to use a AGM specific float charger with their batteries.
It did read around 14.1-14.5 V while truck was running.
Odyessys are super nice but I cant justify $400 for a battery. Maybe try the sears or just keep getting the optimas replaced under warranty