Separett Weekend Prime
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
The Separett Weekend Prime is the better toilet overall, rated 4.3 to 3.5. The Separett Weekend Prime leads on capacity and warranty. The Trelino Evo M costs $29.01 less ($519.99 vs $549).
Trelino Evo M
#11 in Urine-divertingFull 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
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.
Which should you buy?
- Choose the Separett Weekend Prime for capacity (solids capacity not published, 2 gal urine bottle, urine can drain vs about 6 uses per solids bin, 1.3 gal urine bottle) and warranty (5-year warranty vs 2-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every urine-diverting toilet; a clear win is highlighted. How we rank explains each one.
| Factor weight | Separett Weekend Prime | Trelino Evo M |
|---|---|---|
| Overall rating | 4.3/5 | 3.5/5 |
| Value 30% | 91 $549 | 96 $519.99 |
| Capacity 25% | 65 solids capacity not published, 2 gal urine bottle, urine can drain | 12 about 6 uses per solids bin, 1.3 gal urine bottle |
| Power 15% | 100 needs no power | 100 needs no power |
| Certification 15% | 50 NSF/ANSI 41 certification not stated (neutral score used) | 50 NSF/ANSI 41 certification not stated (neutral score used) |
| Warranty 15% | 100 5-year warranty | 25 2-year warranty |
Specifications
| Separett Weekend Prime | Trelino Evo M | |
|---|---|---|
| Capacity | ||
| Type | Urine-diverting | Urine-diverting |
| Uses per solids bin | - | 6 uses |
| Urine bottle | 2 gal | 1.3 gal |
| Urine drain option | Yes | No |
| Agitator | No | No |
| Power and venting | ||
| Power | None needed | None needed |
| Build | ||
| Seat height | 17.8 in | - |
| Dimensions | 15.7 x 19.6 x 18.5 in | 13 x 15.4 x 14.2 in |
| Weight | 18.5 lb | 9.5 lb |
| Material | High-gloss polypropylene outer; polyamide and polypropylene inner | Recyclable ABS plastic |
| Warranty | 5 years | 2 years |
| Released | 2025-11-17 | - |