The maximum error (as a percentage) in the Watt-hour data reported by the battery. The maximum error indicates the upper bound on how much additional energy the battery may have above the energy it reports having. When this value exceeds some value, for instance, 10%, some action must be taken (for instance, fully discharge then fully charge the battery) within some specified time (for instance, within two recharge cycles of the battery). If the action is not taken within the time frame, the error value