Not sure this is better than reverse osmosis... They mention ~15Wh/L @ 1L/hr... The Katadyn Powersurvivor 40 (pretty compact and 11kg) uses 8.5Wh/L @ 6L/hr...

Not sure this is better than reverse osmosis... They mention ~15Wh/L @ 1L/hr... The Katadyn Powersurvivor 40 (pretty compact and 11kg) uses 8.5Wh/L @ 6L/hr... https://www.spectrawatermakers.com/us/us/89650-8013438-Katadyn-Powersurvivor-40-e-12-V-a https://www.spectrawatermakers.com/us/us/89650-8013438-Katad...