As you use your system it continues to go up and down until it again senses that they are “full” (described in step 1) which should be when the value is pretty close to “100%”–and then again resets the number to exactly 100% to start the process again. The reason for the discount is that to be charged the batteries require a little more energy to be put in than was taken out before.Ĥ. When you are charging, as indicated by an “amps” number that is positive, then the percent number goes up, but it is discounted slightly by a “efficiency factor” which you can set, but defaults to 94% of the actual amount. After that, whenever you withdraw energy, as indicated by an “amps” number that is negative, the percentage goes down depending on your current draw from the battery, much the way the bank knows your bank balance by always subtracting your withdrawal amount when you take out money.ģ. When the battery is measured to be “full” (because during battery charging, the battery volts are high enough, and at the same time the charging current is low enough) it then immediately says the batteries are “100% full.” To do this it uses the programmed volts and amps setpoint values (program P1,P2,P3 values in the TM-2030.)Ģ. It requires the following process to determine this:ġ. Here’s a brief description: When you first connect the meter to the battery system it has no way of knowing how full the battery is. How does the TriMetric (or PentaMetric) determine Battery Percent full ? TriMetric Frequently Answered Questions Q1.
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