LoadReserve

Will your UPS last through load-shedding?

Know what stays on. Know for how long. LoadReserve shows your real backup: not what the box says, but what is left once your battery has gone through a few days of cuts and short recharges.

See my backup

1Your UPS and battery

Not sure?

UPS or inverter
Battery

Settings we assume

Also assumed: 85% UPS efficiency, 20 W used by the UPS itself, and the battery type's usable share and charging limits. See how each number is worked out on the methodology page.

2What you keep on

    3Your load-shedding

    Or set your own cut times:

      4Solar panels optional

      Your real daily backup

      …

      Battery charge through a typical day, once it has settled

      Load-shedding UPS cut-off

      What stays on

      What fixes it