%% You should probably cite rfc7577 instead of this I-D.
@techreport{ietf-eman-battery-mib-13,
    number =    {draft-ietf-eman-battery-mib-13},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-eman-battery-mib/13/},
    author =    {Juergen Quittek and Rolf Winter and Thomas Dietz},
    title =     {{Definition of Managed Objects for Battery Monitoring}},
    pagetotal = 36,
    year =      2014,
    month =     nov,
    day =       30,
    abstract =  {This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in the Internet community. In particular, it defines managed objects that provide information on the status of batteries in managed devices.},
}