from the www: "The following Optima batteries should be charged to 12.8 volts: 34 / 34R / 34/78 / 6V / 34M / 75/35. The following should be charged to 13.0 volts: D34 / D34/78 / D6V / D34M. These voltages should give a fully charged battery. Two types of applications and how they are charged. There are batteries designed for engine starting applications: 34 / 34R / 34/78 / 6V / 34M / 35/75. These batteries should be charged at 10 amps maximum and should be charged within 8 hours. Thus the Vector Battery Charger is a perfect choice because it will charge smoothly and quickly and can be set to charge at 10 amps max." Looks like it ok as long as your charger is 10amps.
Mine seemed to charge back up (slowly) much better with the charger set at 2 amps. I left it hooked up for a good 10-12 hours and the car cranked over great. This was after the car had sat in the cold, cold weather for 1-1/2 months and didn't even have dim dash lights when I turned the key on. Malcolm
Why would you be using an Optima anyways? They don't have the lead content or the enveloping *is that a word?* of a Magna. If you want high quality with industrial staying power, get a Magna. This is me, discussing batteries.
Which takes me back to the Magna.........the cold cranking amps on them is FAR superior then anything else you can buy. And no I'm NOT a battery salesman.
I call BS on that! Haha... Brandy gets kick-backs from Magna... JK (my Optima was actually in a Bronco that I owned for a short time, so I kept it and put a cheapo battery in the Bronco when I sold it.) I normally wouldn't spend the extra $$ for an Optima - usually would go with a good AC Delco battery....
Hahahaha no really, I'm not. I'm in the AG/Construction Equipment bidness. All of our tractors run them. They always start, you can tip them over and they don't leak. They vent differently, they have a higher content of lead and with rising lead prices, they're still relatively cheap to purchase and they've got great cranking capabilities. I use them in all of my cars now........I'll NEVER go back. Too many times I've gone out to a flat battery that I've kept maintained, but just didn't have the guts. Other thing also, they totally hold up to radios, a/c units, generators.......basically you can put them under a large load and they never flinch. Maybe I should go into battery sales? HAHAHAHA. Through-the-par***ion connectors allow efficient current paths for explosive starting power. · Heavy duty polypropylene containers and our unique Shockstop(TM) plate anchor-bonding system protect internal components from vibration and impact damage. · Proprietary lead-calcium alloy reduces water loss from heat or overcharging. · Easily accessible vents let you add water without destroying the battery. · Single gas outlet directs gas safely away from terminals
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