Plan portable energy by device
Watts times hours estimates device-side energy.
List loads
Lights and phones may have different use patterns.
Use Wh
Watt-hours make loads comparable.
Losses separate
Battery capacity required can exceed device demand.
Watts times hours estimates device-side energy.
Lights and phones may have different use patterns.
Watt-hours make loads comparable.
Battery capacity required can exceed device demand.