Rainman Portable 24VDC 55L vs Rainman Portable 12VDC 34L
Both land within a few percent on energy per litre (11.3 against 12.7 Wh/L). Portable 24VDC 55L makes 1.7× the water per hour (53 against 31.5 L/hr).
| Spec | Portable 24VDC 55L | Portable 12VDC 34L |
|---|---|---|
| Brand | Rainman | Rainman |
| Output | 45–61 L/hr | 26–37 L/hr |
| Power draw | 600 W | 400 W |
| Energy per litre | 11.3 Wh/L | 12.7 Wh/L |
| Run time for 100 L | 1.9 h | 3.2 h |
| Energy for 100 L | 1,132 Wh | 1,270 Wh |
| Power source | 24V DC | 12V DC |
| Configuration | Portable | Portable |
| Membranes | 1 × 40in | 1 × 40in |
| Indicative price | $4,898 | $4,898 |
| Efficiency rank | 19 of 30 | 23 of 30 |
Highlighted cells mark the better figure on that row alone. Lower is better for energy, run time and price; higher is better for output.
Buy the Portable 24VDC 55L if…
Your boat runs on solar and every watt-hour is spoken for, because this is the cheaper litre to make; you want tanks full in the shortest possible run, or you have a genset that is going to run anyway.
Get a quote on the Portable 24VDC 55LBuy the Portable 12VDC 34L if…
Your priorities are output, price and installation rather than energy per litre; on the numbers these two are closely matched.
Get a quote on the Portable 12VDC 34LCommon questions
- Which is more efficient, the Portable 24VDC 55L or the Portable 12VDC 34L?
- The Portable 24VDC 55L, at 11.3 watt-hours per litre against 12.7. Over 100 litres a day that is a difference of about 138 Wh.
- Which makes more water, the Portable 24VDC 55L or the Portable 12VDC 34L?
- The Portable 24VDC 55L, at 53 L/hr against 31.5. That is 1.7 times the output per hour running.
- Which is cheaper?
- On indicative pricing the Portable 12VDC 34L at $4,898, about $0 less than the other. Both figures exclude freight, duty and installation, and Australian dealer pricing normally reads higher.
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