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Originally Posted by da-bees
How you use battries effect longivity as much as age. #1 enemy=overcharging(have system tested) #2 enemy=undercharging(have system tested)#3Long periods of inactivity(Connect "fully automatic charger" 24-7 during exspected inactivity of more than 1 week)I reccomend BATTERY TENDER,Wally carries a good 2amp also.#4=quick charge(don't do it unless emergency).#5 Improper boosting(both vehicles)#6=Rough jarring ride(bad or no hold down,off roading and farm use,marine use)#7=Cable corrosion(also carefuly clean top uf battery,current can flow thru the contamination) And drum roll please Mistro,Use the correct TYPE BATTERY. The most important specfication for your diesel (any diesel) is CCA=cold cranking amps More is better 600 to 900 cca is common and you can't have to many,seriously 1400 cca batteries WILL NOT harm your truck, IF,this is important,IF your charging system is up to par. Larger cca batteries will have corasponding higher reserve capacity that allows drains like inverter,winch,rv,aux lights to be run longer at idle or engine off without depleting battery. If you often use one or more of those things you should consider a charging system desighned for ambulance. There are not near as many manufactures as there are brands so just choose a brand/dealer who will still be around in case of warranty. That is probly a lot more than some want to hear but truth is there are many more considerations ,but someone will surly add some of those if you are still interested.
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It's just normal everyday use.....around town, and occasional trips....
I've got a camper that we use every once in awhile...
I think that the 7.3 just draws a lot of amps for starting, and you need to keep your batteries in shape....That's why I clean my battery terminals every 6 mos, to get the volt/amperage thru ....I don't do anything to discharge them or abuse them...
That's why I can't believe I'm having this overall problem with these batteries.......
I guess the question to ask, is what do the commericals who have used the 7.3 in their trucks [like UPS, or Fedex etc] use for their batteries????
The question about the starter is reasonable, but I started having to replace batteries within the first 2 years....The UPS drivers shut-off their engines for every stop....SSOOOO you got to know how many times they use their starters/batteries everyday...
I know extremes in temperatures can be tough on batteries, but that's just not the case here....
I would guess that the on the bright side, the only set of batteries that I fully paid for, I purchased back in 2002...
