9/28/2023 0 Comments Charging optima batteriesCyclic Application or String Series ApplicationsĬonstant voltage with constant current finish (CC/CV): 14.7 volts, temperature < 50☌, no current limits. When current drops below 1 amp, the battery will be close to a full state of charge. When using constant voltage chargers, current will taper down as the battery becomes recharged. Recharge time will vary according to temperature and charger characteristics. Recharge Time (100% discharge – 10.5 volts) AMPERAGE No current limit as long as temperature remains below 50☌. Alternatorġ3.8 to 15.0 volts Battery Charger (Constant Voltage)ġ3.8 to 15.0 volts, 10 amps, 12-15 hours approximate Float Chargeġ3.2 to 13.8 volts, 1 amp maximum current Rapid Recharge (Constant Voltage Charger) Always use a voltage-regulated charger, with voltage limits set as described below. The following charging methods are recommended to ensure a long battery life. YELLOWTOP ® and BLUETOP Deep Cycle >13.0 volts (for a fully charged battery) CHARGING Open circuit voltage (OCV) and storage: OCV: all REDTOP ® and BLUETOP ® SLI >12.8 volts (for a fully charged battery) ![]() Periodically inspect your battery terminal connections to ensure they are clean, snug, and protected from the elements. When charged properly you will not have to worry about leaking, corrosion, or gassing. The OPTIMA ® battery is truly maintenance free. Typically, we only see issues with charging when it relates to stand-alone deep-cycling applications or severely discharged OPTIMA batteries.Maintenance, Charging and Storage BATTERY MAINTENANCE In these applications, most 12 volt chargers (old or new) or alternators will sufficiently recharge an OPTIMA battery with at least 10.5 volts. Under normal (engine-starting) conditions, an OPTIMA battery should never experience “at-rest” voltages below 10.5 volts. For float charging, we recommend 1 amp maximum, 13.2-13.8 volts. It may be necessary to follow the instructions provided in Section #3.įor regular charging we recommend a maximum of 10-amps, 13.8-15.0 volts. However, even some AGM-compatible chargers will not recharge deeply discharged (less than 10.5 volts) OPTIMA batteries. Do not use gel or gel/AGM settings, as they will not fully charge an OPTIMA battery and could damage it over time. Some have specific AGM settings which should be used to charge an OPTIMA battery. ![]() Most high-quality, modern battery chargers now have built-in features to charge AGM batteries like OPTIMA batteries. ![]() If your OPTIMA battery is discharged below that, the battery charger may not start up. Most basic battery chargers have a built-in function to prevent charging a battery with less than 10.5 volts. All of this can lead to confusion when it comes to recharging a deeply discharged OPTIMA. This benefit also allows an OPTIMA battery to run longer than its specified ratings and run to a lower voltage than typical flooded batteries. A handheld electronic battery tester will most likely provide inaccurate test results.Īn OPTIMA battery has the benefit of very low internal resistance, which allows high-amperage output as well as efficient charge acceptance. A deeply discharged OPTIMA battery (less than 10.5 volts) will not test or recharge properly if treated as a gel battery or regular flooded battery. However, since OPTIMA batteries are frequently used in high-performance applications or nonstandard vehicle starting applications, there are certain instances that must be given special considerations.Īn OPTIMA battery is an AGM battery, not a gel battery or regular flooded battery. However, under normal vehicle starting applications, most regular automatic lead-acid battery chargers will properly charge an OPTIMA battery. The OPTIMA® Chargers Digital 1200 12V Performance Battery Charger and Maintainer enhances the performance of OPTIMA and other AGM batteries, recovers deeply discharged batteries and extends battery life.
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