The battery state in the cmd 253 <BatteryInfo> reply.
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channelId: number
Zero-based channel.
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chargeStatus: "none" | "charging" | "chargeComplete"
Charging state.
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adapterStatus: "none" | "adapter" | "solarPanel"
What the battery charges from.
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voltage: number
Battery voltage, unsigned.
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current: number
Battery current, signed.
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temperature: number
Battery temperature, signed.
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batteryPercent: number
Charge level in percent.
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lowPower: number
Low battery flag.
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batteryVersion: number
Battery type; written only.