Best Composting Toilets That Need No Power

Last updated: October 31, 2026

Composting toilets that work with no fan or heater power at all.

Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Best Composting Toilets That Need No Power: Urine-diverting

  1. Separett Weekend Prime
    #1 of 84.3Full review

    For off-grid cabins, emergency kits and camps with no power: Separett’s compact body without the fan, at a much lower price.

    Amazon $549
    $549
    -None needed-
  2. OGO Nomad
    #2 of 84.0Full review

    A cheap, power free diverting toilet for weekend camping and truck campers, from the maker of the OGO.

    Amazon $199.99
    $199.99
    -None needed-
  3. BOXIO Toilet
    #3 of 84.0Full review

    An ultralight dry separating toilet for car camping, roof tents and short van trips; too small for full time use.

    Amazon $199.90
    $199.90
    -None needed-
  4. TROBOLO WandaGO Lite
    #4 of 83.7Full review

    A compact, travel ready diverting toilet for weekend campervans, with a lid that latches shut on the road.

    Amazon $199
    $199
    8 usesNone needed-
  5. Trelino Evo S
    #5 of 83.6Full review

    A light, power free diverting toilet for weekend van trips, tents and boats where space matters more than capacity.

    Amazon $299
    $299
    6 usesNone needed-
  6. Trelino Evo M
    #6 of 83.5Full review

    For vans and campers that want a seat closer to normal height than the Evo S without needing power.

    Amazon $519.99
    $519.99
    6 usesNone needed-
  7. Trelino Evo L
    #7 of 83.5Full review

    The roomiest Trelino: a power free diverting toilet with near normal seat height for longer van trips and small cabins.

    Amazon $619.99
    $619.99
    11 usesNone needed-
  8. Compo Closet Cuddy Lite
    #8 of 83.3Full review

    A full size, power free diverting toilet with a full light for campervans and boats, at a high price for a bag and bin design.

    Amazon $650
    $650
    8 usesNone needed-

Best Composting Toilets That Need No Power: Composting

  1. Sun-Mar Excel NE
    #1 of 13.6Full review

    For off-grid cabins that need a certified toilet with no power; plan for a drain line and a tall vent.

    Sun-Mar $1,825
    $1,825
    2 peopleNone neededYes