Convert battery Amp-hour to Watt-hour capacity for marine DC systems at specific voltage levels - emergency lighting 24 V, main services 110 V, DP 220 V.
Formula
$$ E_{Wh} = C_{Ah} \cdot V $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $C_{Ah}$ | Rated Ah capacity | Ah | battery nameplate |
| $V$ | Nominal voltage | V | maker data |
Sources
- IEEE 450 / IEEE 1188.