Aili battery monitor6/6/2023 But, battery monitors are pretty close and are (way) better than nothing.Ī battery monitor is often compared to the gas gauge in your car, but that is not a good analogy. In short, their figures are inaccurate due to variability in how batteries function. The thing is, battery monitoring is not an exact science. i.e., if solar panels are generating +10A of current, and you are consuming (-6A) of current, the monitor displays positive 4A of current. The battery monitor shows us the “net” Amp current at any time. The shunt’s small data wire provides that data to the monitor display screen. The shunt is typically wired to the positive and negative terminals on the battery. We’ve got the higher end Victron BMV700.Īll current in or out of the battery goes through the shunt and gets measured. Alas, when we designed our solar system this product wasn’t on the market. If you’re going to be running any devices that potentially draw more than 1,000 watts, go for AiLi’s 350A version. But if the shunt ever fails, you’ll have to rewire things because you can draw from your batteries. If nothing breaks and you can deal with these issues, you’ll be pretty stoked to pay so little.
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