The battery plugin reports negative power when the battery is discharging.
ping_stddev value:GAUGE:0:65535
ping value:GAUGE:0:65535
players value:GAUGE:0:1000000
ping_stddev value:GAUGE:0:65535
ping value:GAUGE:0:65535
players value:GAUGE:0:1000000
pressure value:GAUGE:0:U
protocol_counter value:DERIVE:0:U
ps_code value:GAUGE:0:9223372036854775807
pressure value:GAUGE:0:U
protocol_counter value:DERIVE:0:U
ps_code value:GAUGE:0:9223372036854775807