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electrical:12v:battery_monitor [2018/12/31 14:00] frater_secessus [Battery monitors] |
electrical:12v:battery_monitor [2020/04/15 23:26] frater_secessus [Battery monitors] |
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====== Battery monitors ====== | ====== Battery monitors ====== | ||
- | Battery monitors typically show battery voltage ([[meta: | + | Battery monitors typically show: |
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+ | * battery voltage ([[meta: | ||
+ | * Amps or Watts in (charging) / out (discharging) | ||
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+ | In general, the monitor will watch for your system to hit a configured 100% state of charge voltage and start counting amps used while below that voltage. | ||
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+ | Note: Watching amps trail off at the end of lead Absorption (endAmps) will also tell you when the bank is [[electrical: | ||
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+ | One benefit of having a shunt-based monitor over a [[electrical: | ||
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+ | ===== configuration ===== | ||
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+ | Meters typically need a few settings defined: | ||
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+ | * battery capacity - remember that lead batteries are typically only used to about 50% of their rated capacity. | ||
+ | * You may also need to tell the meter what your battery manufacturer' | ||
- | Watching amps trail off at the end of Absorption (endAmps) will also tell you when the bank is at 100% State of Charge. | ||
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===== inexpensive shunts ===== | ===== inexpensive shunts ===== | ||
[[https:// | [[https:// | ||
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+ | Heavier-duty shunts are available (up to [[https:// | ||