12/15/2023 0 Comments 1 amp to mamp![]() When that happens, sulfation begins to diminish both capacity and performance. ![]() The combination of a significant parasitic draw and long periods of non-use can easily cause voltage to drop below 12.4 volts. The key to long life for any battery is to make sure battery voltage doesn't drop below 12.4 volts. ![]() If a vehicle is driven daily, the alternator should probably have no trouble properly maintaining the battery, provided that daily use doesn't consist of a multitude of five to ten-minute drives. Until the day comes when battery maintainers are standard equipment on all new vehicles, we just need to be vigilant with our batteries. As even more electronics are packed into newer vehicles, those trends are both likely to continue. Some high-end exotics even come with battery maintainers as standard equipment. Some automakers have responded by shipping their vehicles with solar chargers, to keep the batteries charged as much as possible between the time the cars leave the factory and when they arrive at the dealership. However, just because an 85-milliamp draw may be normal, that doesn't mean an 85-milliamp draw won't adversely impact battery lifespan and performance, if the battery isn't properly-maintained. Memory seats, mirrors, radio presets, satellite radio, GPS systems, Wifi and lots of other fancy electrical gadgets have combined to greatly increase the electrical demands of many newer vehicles. As I explained the math behind parasitic draws, it was suggested that an 85-milliamp draw is not all that uncommon on newer vehicles. ![]() I was having a conversation recently on an Internet message board, when the subject turned to parasitic draws or "key-off" loads. ![]()
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