Barry Adamson Posted March 3, 2008 Share Posted March 3, 2008 I use an 8 volt battery with my small bulldozer. I need to recharge the battery but only have a charger with settings for either 6 or 12 volts. Would using the 6 volt setting be the best choice, or do I need an 8 volt charger? When the battery is installed in the dozer, the positive terminal is grounded. Would this change the way I connect the charging leads? I feel I should still connect the negative lead of the battery charger to the negative post. Correct? Thanks. Link to comment Share on other sites More sharing options...
Guest chrysler28 Posted March 17, 2008 Share Posted March 17, 2008 You still charge the battery neg..to..neg pos..to pos regardless of how its grounded to the car. as far as charging an 8volt battery.. not sure. but i would think it would be best to charge at the 6 volt rate, as if u used the 12volt it would be the same a overcharging a battery..just my opinion. antiquepaw Link to comment Share on other sites More sharing options...
Barry Wolk Posted March 17, 2008 Share Posted March 17, 2008 Use the proper tool for the job.http://www.batterymart.com/p-battery-tender-8v-1_25a-battery-charger.html Link to comment Share on other sites More sharing options...
Rusty_OToole Posted March 17, 2008 Share Posted March 17, 2008 Depending how discharged it was, I would put it on 6 volts overnight or until it charged up to 7 volts. Then put it on 12 for a short time like 5 minutes. Keep an eye on it when on 12 to be sure it does not boil over or get hot.How powerful is the charger? I'm thinking a little 6 to 10 amp box charger. If it's a big charger leave it on the lowest setting. Link to comment Share on other sites More sharing options...
Fred Zwicker Posted March 17, 2008 Share Posted March 17, 2008 Why don't you just buy an 8-volt battery tender and not have any worries? Available at www.tptools.com and other vendors at around $50.Fred Link to comment Share on other sites More sharing options...
charlier Posted March 17, 2008 Share Posted March 17, 2008 I have used the Battery Tender chargers for my Antique vehicles, my tow vehicle and car trailer for the last Eight years.These units are top-notch and simply do the job very well. Other units may be cheaper but I do not believe that those unitshave the computer circuitry that the Battery Tender does.That is the difference between an intelligent battery charger (ie Battery Tender) and some of the cheaper trickle chargers thatlack intelligence when it comes to charging.FYI, the prices for Battery Tenders to vary. It pays to shop around for them.BTW, I am just a satisfied Battery Tender Customer. Link to comment Share on other sites More sharing options...
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