The right portable toilet is the difference between a two-night van trip and a two-week one. These five options cover every van setup from a budget transit to a full-time build, starting under $40 and topping out at just over $150.
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Top Pick
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Versatile
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Budget
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Best Value
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Best for Reliability
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| Product | Thetford Porta Potti 565E Curve Portable Toilet | Thetford Porta Potti 365 Portable Toilet | SereneLife Portable Toilet 5.3 Gal | Alpcour Portable Toilet with Travel Bag | Camco 5.3-Gallon Portable Toilet |
| Weight | 13.7 lb | 10.6 lb | 9.5 lb | 9.9 lb | 11.5 lb |
| Flush type | Electric (battery) | Piston pump | Piston pump | Piston pump | Bellows pump |
| Waste tank | 5.3 gal | 5.5 gal | 5.3 gal | 5.3 gal | 5.3 gal |
| Seat height | 17.2 in | 16.5 in | 15.0 in | 15.5 in | 16.4 in |
| Buy Now | Check Price → | Check Price → | Check Price → | Check Price → | Check Price → |
Quick Tips
Measure your van floor space before buying — a standard porta potti footprint is roughly 14 x 16 inches, but height varies by model and matters more in a low-roof build.
Add a tank deodorizer like Thetford Aqua-Kem on day one, not after odor sets in — treating on first use prevents buildup inside the tank walls.
Use a hold-down kit to bolt the toilet to your van floor so it does not shift on corners — most Thetford models have a compatible bracket sold separately.
Empty at a campground dump station or RV park rather than a public toilet — waste tanks with rotating pour spouts are designed for controlled no-splash dumping into a sewer inlet.
Thetford Porta Potti 565E Curve
Best for full-time van builds with a house battery
Thetford Porta Potti 565E Curve
Best for full-time van builds with a house battery
What we like
- Battery-powered electric flush delivers a full-bowl rinse with a single button press — no pumping mid-use.
- Rotating pour-out spout on the waste tank makes dump station emptying genuinely no-splash.
- Integrated toilet paper holder and tank level indicators for both fresh and waste water are built into the unit.
- Comfort-height seat at 17.2 inches sits close to a residential toilet, reducing fatigue on longer trips.
What we don't
- Requires batteries — if your van has no house power and you forget spares, the electric flush stops working.
- Largest and heaviest unit on this list at 13.7 lb, which matters in small vans where every pound counts.
- Price premium over piston-pump models is significant for a feature that mainly improves convenience.
When you are spending real time in a van — not weekends, actual weeks — the 565E is the unit you stop noticing because it just works every time you press the button. If you have already run a 12V house battery for lighting or a fridge, adding four AA batteries to run this flush is nothing.
This is specifically for van builders who have the floor space and want the closest thing to a home bathroom experience in a portable unit. If you are building a budget van or parking in tight spaces where every inch matters, step down to the 365.
Thetford Porta Potti 365
Best for weekend van builds and budget conversions
Thetford Porta Potti 365
Best for weekend van builds and budget conversions
What we like
- Piston pump flush requires no batteries — works everywhere including off-grid builds with zero electrical setup.
- 5.5-gallon waste tank is the largest on this list, giving two adults four-plus days between dump station visits.
- Tank level indicators on both fresh and waste tanks eliminate guesswork about when to refill or empty.
- Lighter and more compact than the 565E while using the same sealed valve system for odor control.
What we don't
- Piston pump requires a few extra pumps to get a full rinse compared to electric flush — more hands-on per use.
- No integrated toilet paper holder, so you need to store paper separately.
- Slightly lower seat height than the 565E at 16.5 inches.
The 365 is the Porta Potti that shows up in nearly every serious van build thread because it solves the problem without adding complexity. No batteries, no electrical hookup, no adapters — you pump and it works, which is exactly what you want when you are parked somewhere remote.
This is the right pick for weekend warriors and first-time builders who want a proven unit without the premium of electric flush. If you later decide you want the 565E, this unit holds its resale value well.
SereneLife Portable Toilet 5.3 Gal
Best for van lifers who want a budget flushable unit
SereneLife Portable Toilet 5.3 Gal
Best for van lifers who want a budget flushable unit
What we like
- Double-sealed drain valve locks odors in effectively for a unit at this price point — real-world reviews confirm it holds up.
- 5.3-gallon waste tank gives comparable capacity to premium Thetford units at roughly half the cost.
- Carry bag included in the box, which Thetford charges separately for.
- 3-way flush nozzle design rinses the bowl from multiple angles for more thorough cleaning per pump.
What we don't
- Lower seat height at 15 inches — noticeably less comfortable than the Thetford models for regular use.
- Build quality on the latches between upper and lower tanks is not as tight as Thetford — check seals periodically.
- No tank level indicator, so you are estimating when to empty.
If you are building on a tight budget and need a flushing toilet that actually seals odors, the SereneLife closes the gap on the Thetford at nearly half the price. The carry bag inclusion matters — it means one less accessory to source separately when you are outfitting a van from scratch.
This is for the first-time builder or the person converting a cargo van on a shoestring who needs functional sanitation now and can upgrade later. If you plan to use this daily for six-plus months, the Thetford 365 is worth the extra spend.
Alpcour Portable Toilet 5.3 Gal
Best for van builds that need a compact all-in-one kit
Alpcour Portable Toilet 5.3 Gal
Best for van builds that need a compact all-in-one kit
What we like
- Built-in pour spout and washing sprayer are integrated into the unit — no need to source a separate cleaning tool.
- Carry bag included and designed to store the toilet flat, which matters when you need to stow it under a bed platform.
- 5.3-gallon waste tank and 3.2-gallon fresh water tank give you 50-plus flushes before refilling.
- Compact footprint fits in tighter van layouts where the Thetford models take up too much floor space.
What we don't
- Integrated washing sprayer hose is short — works for bowl cleaning but not as a general rinse tool.
- Seat height at 15.5 inches is lower than the Thetford options and gets uncomfortable on longer sits.
- Brand has less long-term reliability data than Thetford — seals hold well initially but report mixed results after 12-plus months of heavy use.
The Alpcour wins in vans where floor space is genuinely tight and you need the toilet to stow flat when not in use — the carry bag and integrated sprayer mean the kit is self-contained. The washing sprayer built into the fresh water tank is a genuine quality-of-life feature that the Camco and base SereneLife skip.
This is for the compact build — Sprinter high-top excluded, transit and cargo van low-roof included — where you are fitting sanitation around other gear. If you have the space for a Thetford, use one.
If you do not, this is the next best thing.
Camco 5.3-Gallon Portable Toilet (41541)
Best for casual van campers who want a no-frills workhorse
Camco 5.3-Gallon Portable Toilet (41541)
Best for casual van campers who want a no-frills workhorse
What we like
- Lowest price on this list for a full-size 5.3-gallon flushing unit — hard to beat as a functional first purchase.
- Bellows pump flush and slide valve system are simple mechanisms that rarely fail over years of use.
- Side carry handles on both upper and lower sections make transport and emptying manageable solo.
- Larger seat than many budget competitors — Camco specifically sized the seat up compared to older models.
What we don't
- Bellows pump flush is the least effective rinse type on this list — requires more pumping for a clean bowl.
- No tank level indicator — you learn the capacity by experience rather than reading a gauge.
- Plastic construction feels noticeably cheaper than the Thetford build — fine for occasional use, less reassuring for daily.
The Camco 41541 is the toilet you buy when you are testing whether van life is actually for you before spending real money on gear. At under $55, it does the one job a portable toilet needs to do — seal waste, flush adequately, empty cleanly — without asking you to commit to a premium product.
This is for the casual weekend van camper who may be in a tent next summer and does not want a Thetford sitting unused in a garage. If van life sticks, upgrade to the SereneLife or Thetford 365.
If it does not, you spent $45.
What to Look For
Tank capacity determines how long you go between dump station stops. A 5.3-gallon waste tank gives two adults roughly three to four days of use before emptying.
If you travel solo or want a smaller footprint, a 2.6-gallon tank works and saves floor space. Flush type changes the daily experience more than you expect.
Electric flush (battery-powered) gives a full-coverage rinse with one press; piston pump flush requires manual pumping but works without any power source. For van builds with a 12V house battery already installed, electric flush is worth the extra spend.
Seat height matters in a low-roof van build. Most portable toilets sit 13 to 17 inches high — check your van's interior height and how you plan to position the toilet relative to a bench or bed platform.
A toilet that forces you to crouch will get left at home after the first trip.
Who Should Skip This
If your campervan already has a fixed cassette toilet plumbed into the build, none of these will integrate with that system — they are all self-contained units designed to sit on the floor. Full-time van lifers doing 200-plus days a year will likely outgrow a portable unit and want a permanently mounted composting toilet instead.
If you camp exclusively at sites with clean bathroom facilities within a two-minute walk, the weight and floor space of a portable toilet probably is not worth carrying.
What the Community Actually Uses
On r/vandwellers, portable toilet recommendations come up constantly in threads about stealth camping and overnight parking in urban areas. The consensus there is that a self-contained unit with a sealed waste tank is non-negotiable if you park in cities — odor control is the number one concern, not tank size.
Quick Picks — In Case You've Already Decided
Frequently Asked Questions
How often do you need to empty a campervan portable toilet?
A 5.3-gallon waste tank needs emptying every three to four days for two people with average use. Solo travelers can go five to seven days. Always empty before the tank indicator hits full — overfilled tanks are significantly harder to clean.
Can you use a portable toilet inside a campervan with the doors closed?
Yes, if you have a sealed-valve model that locks odors inside the waste tank. The Thetford Porta Potti line and most flushable units have this. Bucket-style toilets with bag liners are not suitable for enclosed van use.
Where do you empty a campervan portable toilet?
RV dump stations are the easiest option and are free at most state campgrounds. Many Walmart and Pilot truck stops also have dump facilities. Never empty into a storm drain or on the ground — it is illegal in most jurisdictions.
Do you need chemicals in a portable toilet for a campervan?
Not strictly required, but a tank deodorizer like Thetford Aqua-Kem cuts odor significantly and speeds waste breakdown. Add it on day one each trip, not after you notice a smell — reactive treatment is far less effective than preventive.
What is the difference between a cassette toilet and a portable toilet for a van?
A cassette toilet is permanently mounted with a fixed bowl and a removable waste cartridge that slides out from the outside of the vehicle. A portable toilet sits on the floor as a self-contained unit and is carried to a dump station whole. Portable units are cheaper and easier to retrofit; cassette toilets are more comfortable but require a proper van build.
Buying Guide
Pick your waste tank size first. A 5.3-gallon tank handles two people for three to four days before emptying.
If you go solo, drop to a 2.6-gallon and save the floor space. Match the seat height to your van build height so you are not hunching.
Electric flush is worth it if you run a house battery.