SereneLife Portable Toilet 5.3 Gallon Review

Our Verdict: SereneLife Portable Toilet 5.3 Gallon

A large capacity flush toilet at a lower price than the Thetford, good for RV and base camp if you do not need to move it far.

A twin tank flush toilet with a big 5.3 gallon waste tank and a piston pump, positioned as a value alternative to premium brands for RV and travel use.

So, is it any good?

A double sealed drain valve is designed to hold back both leaks and odor.

A three way spray nozzle rinses the bowl after use.

The valve sealed tight through a full RV weekend and the big tank meant fewer dumps. Full it is a proper lump to carry with no real handle to grab.

Shaun, Top-Notch field tester

Reasons to buy:

• Large 5.3 gallon waste tank
• Double sealed valve controls leaks and odor
• Three way spray nozzle and level indicator
• Lower price than premium brands

Reasons to avoid:

• Heavy and bulky, poor for carrying full
• Only about 50 flushes per fresh fill
• No convenient base carry handle

Our Analysis, Comparisons, and Test Results

The SereneLife Portable Toilet 5.3 Gallon scored 82 out of 100 overall.

It is strongest on cleaning & maintenance and weakest on portability.

Here is how it did on every metric we tested, with exactly how each score compares to the rest of the field.

Weight & Compactness

Empty weight is about 14 lb, heavier than the compact Dometic.

External size is about 16.5 by 14.6 by 16.9 inches, a full size box.

It does not fold or nest, so it needs dedicated storage space.

Full, the 5.3 gallon tank makes it a two hand carry.

Weight & Compactness	Rating
Best in test	10/10
SereneLife Portable Toilet 5.3 Gallon	6/10
Category average	7.4/10
Worst in test	5/10

Cleaning & Maintenance

A double sealed drain valve is designed to hold back both leaks and odor.

A three way spray nozzle rinses the bowl after use.

Here's what that means:

The rotating no splash pour spout keeps emptying tidy.

HDPE surfaces wipe clean and there is a waste level indicator to time emptying.

Cleaning & Maintenance	Rating
Best in test	9/10
SereneLife Portable Toilet 5.3 Gallon	8/10
Category average	7.7/10
Worst in test	7/10

Capacity

The 5.3 gallon (20L) waste tank is among the larger tanks in this group.

A 3.2 gallon fresh tank supplies about 50 flushes per fill.

That flush count is lower than the Thetford despite similar tank sizes.

The big waste tank means fewer trips to empty but a heavier lift when full.

Capacity	Rating
Best in test	9/10
SereneLife Portable Toilet 5.3 Gallon	8/10
Category average	7.4/10
Worst in test	6/10

Workmanship & Durability

The body is high density polyethylene, the same class of plastic as pricier units.

The double sealed valve gets consistent praise for holding odor and liquid.

Owners generally rate build quality as solid for the price.

Rated to hold about 300 lb, adequate for most adults.

Workmanship & Durability	Rating
Best in test	9/10
SereneLife Portable Toilet 5.3 Gallon	8/10
Category average	7.4/10
Worst in test	6/10

Portability

There is no dedicated carry handle on the base, so moving it full is awkward.

A travel bag is included to contain the unit in transit.

It is best treated as a set and forget RV or base camp fixture.

The full size footprint is a poor match for a small tent.

Portability	Rating
Best in test	10/10
SereneLife Portable Toilet 5.3 Gallon	6/10
Category average	7.4/10
Worst in test	6/10

Should You Buy the SereneLife Portable Toilet 5.3 Gallon?

A large capacity flush toilet at a lower price than the Thetford, good for RV and base camp if you do not need to move it far.

It is best suited to rv and base camp users who want big capacity for less money.

Bottom line?

The big win: Large 5.3 gallon waste tank.

The main compromise: Heavy and bulky, poor for carrying full.

We scored it 82 out of 100.

What Other Camping Toilets Should You Consider?

Not sold on this one? A few others from our testing are worth a look.

The Thetford Porta Potti 365 Portable Toilet is our best camping toilet. A well sealed, comfortable flush toilet that is the safe pick for van and car camping if you can live with its bulk and full weight.

The Camco 5.3-Gallon Portable Toilet is our best portable camp toilet. A workable large tank flush toilet with a bellows pump, but the sliding valve and flush need regular upkeep to avoid leaks and stiffness.

The Kohree Portable RV/Camping Toilet is our best large-capacity rv toilet. The biggest tank here at 5.8 gallons with a multi level indicator, good if capacity is your priority, but it is heavy full and build quality is only average.

Specifications

Type	Twin tank flush
Waste tank	5.3 gal (20L)
Fresh tank	3.2 gal (12L)
Flushes	about 50 per fill
Empty weight	about 14 lb
Weight capacity	about 300 lb
Dimensions	16.5 x 14.6 x 16.9 in

Conclusion: SereneLife Portable Toilet 5.3 Gallon

After testing it against the other top camping toilets, the SereneLife Portable Toilet 5.3 Gallon earns its place as our best rv toilet pick.

Its standout strength: Large 5.3 gallon waste tank.

Still deciding?

The main thing to weigh before you buy: Heavy and bulky, poor for carrying full.

If you want rv and base camp users who want big capacity for less money, it belongs at the top of your shortlist.

Still comparing? See exactly where the SereneLife Portable Toilet 5.3 Gallon ranks against the full field in our 10 Best Camping Toilets guide.

Check Latest Prices See Customer Reviews & Feedback