Ann Katy Upgrade XL Portable Toilet for Adults, Extra Large

β PROS
- Extra-wide 13-inch seat opening accommodates larger users comfortably, unlike most portable toilets that max out around 10-11 inches
- Reinforced HDPE plastic base rated to 440 lbs, with anti-slip feet that stay put on uneven campsite ground
- Integrated splash guard and detachable inner bucket with lid β makes emptying less of a gross experience
β CONS
- At roughly 11 lbs empty, it's not a backpacking option; this is strictly for car camping or home care situations
- Handle placement on the rear makes one-handed carrying awkward when the tank is full β you'll want two hands
The Verdict
The portable toilet market is full of flimsy plastic buckets that wobble under pressure. The Ann Katy Upgrade XL takes a different approach: it’s built like the kind of toilet you’d actually trust at 2 AM in a tent. And with a 4.4-star average across 220 ratings, it’s clearly earning its keep in campgrounds and spare bedrooms alike.
What You Actually Get
The box contains the main toilet unit (seat, lid, and base all in one piece), a separate 5-gallon inner waste tank with a carry handle, a lid for that tank, and a splash guard that snaps into place under the seat. There’s no hardware to assemble β it arrives ready to use. Just pop in the inner bucket, add your preferred chemical treatment, and you’re operational.
The dimensions are what set this apart. The seat opening measures a genuinely generous 13 inches across β that’s roughly 2 inches wider than standard portable toilets. The overall height sits at 17 inches, which is close to standard residential toilet height, so getting up and down doesn’t feel like you’re using a kids’ training potty.
Build Quality and Real-World Use
The unit is made from high-density polyethylene plastic β the same stuff used in kayaks and heavy-duty outdoor furniture. It’s not going to crack if you drop it on a rocky campsite. The claimed weight capacity is 440 pounds, and the construction backs that up. The base has a wide footprint with anti-slip rubber feet, so it doesn’t shift when you’re sitting down or standing up.
The splash guard is a small detail that makes a big difference. It deflects urine downward into the tank, which means less cleanup and less smell. The inner tank detaches with a simple lift, and the included lid snaps on securely so you can carry it to a dump station without sloshing.
Customer feedback consistently highlights the capacity and stability. One reviewer noted, “I’m 6'2” and 250 lbs, and this is the first portable toilet I’ve used that didn’t feel like it was going to tip over." Another mentioned using it post-surgery for six weeks: “The height was perfect for my recovery β I didn’t need a raised seat adapter like I did with other portable toilets.”
Where It Falls Short
This is not a lightweight travel accessory. At 11 pounds empty β and closer to 35 pounds when the tank is full β you’re not carrying this anywhere. It’s designed for car camping, RV use, or home care situations where you can wheel it or lift it with two hands. The handle is positioned on the rear of the unit, which sounds fine until you’re trying to hoist a full tank one-handed. It’s doable, but awkward.
The seat is also completely hard plastic β there’s no padding. For brief use, it’s fine. For extended sitting, you’ll want a seat cover or cushion. And while the splash guard helps with odor control, it’s not a sealed system. If you leave waste sitting for more than a few days without treatment chemicals, you’ll know about it.
Who Should Buy This
This toilet fits three buyer personas well:
- Campers and RV owners who want a backup or outdoor toilet that can handle real adult use without feeling like a child’s training seat
- Caregivers supporting elderly or post-surgery family members who need a stable, higher-height toilet that doesn’t require installation
- Outdoor workers (farmers, contractors, property managers) who need a portable option that can survive being thrown in a truck bed
It’s overkill if you’re a backpacker looking for ultralight gear β look at folding options that weigh under 3 pounds instead.
FAQ
Q: What chemicals should I use with this toilet? A: Any standard RV or portable toilet treatment works. Look for drop-in packets or liquid formulas that break down waste and control odor. You’ll need to add water to the tank before first use β about 2 inches in the bottom.
Q: How often do you need to empty it? A: For a single adult, the 5-gallon tank lasts roughly 5-7 days with regular use. For two people, plan on emptying every 3-4 days. The tank has clear volume markings so you can monitor without opening it.
Q: Is this covered by a warranty? A: Ann Katy offers a 90-day replacement policy for manufacturing defects. It’s not a lifetime warranty, but for the price point, it’s reasonable. The plastic construction is durable enough that most failures would show up in the first month.
The Verdict
The Ann Katy Upgrade XL Portable Toilet earns a 4.2/5 rating. It solves the two biggest complaints about portable toilets β narrow seats and unstable bases β without overcomplicating anything. The tradeoffs (weight, hard seat) are honest limitations of the category, not design flaws.
Buy it if you need a stable, adult-sized portable toilet for camping, emergency preparedness, or caregiving situations. The extra seat width alone justifies the price over cheaper alternatives.
Skip it if you need something truly portable for hiking, or if you expect a toilet that seals completely odor-free for weeks without maintenance. This is a practical tool, not a luxury fixture.
For the price, this is the best balance of capacity, stability, and comfort you’ll find in a portable toilet. It does one job and does it well β and that’s exactly what you want when nature calls at 3 AM.
Where to Buy
π Check Price on Amazon β
We earn a small commission at no extra cost to you β this helps fund more honest reviews.
Last updated: 2026-08-06. Ratings and prices current as of review date. Verify on Amazon before purchasing.