Tips on battery care and performance:
Here is my advice and info for my FORD TRACTORS but most applies to any battery. As the battery gets weaker, the first thing to fail is your spark. The more current you use to spin the starter, the less you have for the ignition. It doesn't really matter much if the battery is "fully charged" until you test it correctly. 4 Volts (on a 6V unit) is an almost dead battery. Bench test under load; specific gravity must be tested. Your trusty local starter/alternator shop can bench test it on their special machine, usually at no charge Ėno pun intended. No matter what else you do, the battery must be fully charged and maintained under load. Just because you apply a Ďbattery chargerí does not mean your battery is good and will be charged. Cheap brands are prone to poor lifespans. Some units can be junk out the door. The TSC and Wally World ones are the worst. 7 years is a good run for a 6V battery. Briefly in a nutshell, you want a GP-1 6V AG battery -no Deep Cycle or RV/Golf Cart types. I suggest you invest in one of the better brands. Those would be DEKA, INTERSTATE, EAST PENN/DURACELL, or EXIDE. I'm not sure who makes the NAPA one but I've heard good things about it. Get at least a 550-750 CCA with the average cost at about $125.
A fully charged 6v battery should read about 6.3 - 6.6 volts. In order to get that charge level, your v/r must allow 7.2 volts to the battery. Specific gravity should be 1.24 - 1.28 on each cell. A hydrometer is used but your shop has the machine to test under load. Battery cables are important too. 6V cables are thick as your thumb due to current used and the ground is a braided flat strap. 12V cables like the smaller diameter gauge ones used on your car & truck canít conduct the amps for a 6V system. A float charger is VERY helpful; and NOT a trickle charger, but a float charger, like the DELTRAN Battery Tender Jr.ģ ô. It is a popular brand, available at Walmart, $30. A battery charger, even a "trickle" charger, left unattended will eventually boil out a battery. Connect the battery Tender to your battery when the tractor is idle for periods over a week. This ensures a full charge so itís there when you need it. The thing that depletes battery life is constant charging and discharging. The loss of electrolyte weakens the plates. FORD TRACTOR BATTERY INFO:
BATTERY TENDER JR (6V) BY DELTRAN: