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+What: /sys/bus/platform/devices/VPC2004:*/conservation_mode
+Date: Aug 2017
+KernelVersion: 4.14
+Contact: platform-driver-x86@vger.kernel.org
+Description:
+ Controls whether the conservation mode is enabled or not.
+ This feature limits the maximum battery charge percentage to
+ around 50-60% in order to prolong the lifetime of the battery.