* display outputs, per line:
*
* Remaining: | Empty: | Degraded:
* blue | black | dimgrey discharging
* green | black | dimgrey charging
* cyan | black | dimgrey charged
* display outputs, per line:
*
* Remaining: | Empty: | Degraded:
* blue | black | dimgrey discharging
* green | black | dimgrey charging
* cyan | black | dimgrey charged