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+What: /sys/bus/iio/devices/iio:deviceX/battery_low
+KernelVersion: 4.1.0
+Contact: linux-iio@vger.kernel.org
+Description:
+ Reading returns either '1' or '0'. '1' means that the
+ battery level supplied to sensor is below 2.25V.
+ This ABI is available for tsys02d, htu21, ms8607