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16 lines
838 B
Markdown
# Smart Batteries
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Smart Batteries provide more accurate (and often more detailed) information about the state of a battery than an autopilot can estimate for "dumb" batteries.
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This allows for more more reliable flight planning notification of failure conditions.
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The information may include some of: remaining charge, time-to-empty (estimated), cell voltages (rated max/min, current voltage, etc.), temperature, currents, fault information, battery vendor, chemistry, etc.
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PX4 supports (at least) following smart batteries:
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- [Rotoye Batmon](../smart_batteries/rotoye_batmon.md)
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### Further Information
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- [Mavlink Battery Protocol](https://mavlink.io/en/services/battery.html)
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- [batt_smbus](../modules/modules_driver.md) - PX4 SMBus Battery Driver docs
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- [Safety > Low Battery Failsafe](../config/safety.md#battery-level-failsafe).
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