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Posted by MoparNorm on Wednesday, February 20, 2008 at 14:22:34 :
In Reply to: Re: Anyone Using Optima Red Top 6-Volt Battery? posted by MoparNorm on Wednesday, February 20, 2008 at 14:12:23 :
Optima has a guarantee that they will start after sitting for 1 year!
9. Battery Charging - Remember you must put back the energy you use immediately. If you don't the battery sulphates and that affects performance and longevity. The alternator is a battery charger. It works well if the battery is not deeply discharged. The alternator tends to overcharge batteries that are very low and the overcharge can damage batteries. In fact an engine starting battery on average has only about 10 deep cycles available when recharged by an alternator. Batteries like to be charged in a certain way, especially when they have been deeply discharged. This type of charging is called 3 step regulated charging. Please note that only special microprocessor controlled chargers using computer technology can perform 3 step charging techniques. You don't find these types of chargers in parts stores!. The first step is bulk charging where up to 80% of the battery energy capacity is replaced by the charger at the maximum voltage and current amp rating of the charger. When the battery voltage reaches 14.4 volts this begins the absorption charge step. This is where the voltage is held at a constant 14.4 volts and the current (amps) declines until the battery is 98% charged. Next comes the Float Step. This is a regulated voltage of not more than 13.4 volts and usually less than 1 amp of current. This in time will bring the battery to 100% charged or close to it. The float charge will not boil or heat batteries but will maintain the batteries at 100% readiness and prevent cycling during long term inactivity. Some gel cell and AGM batteries may require special settings or chargers. See the CHARGING page!