Royal Bin® Ultra 30L: The Complete Guide

The Ultra 30L is the Royal Bin® built for the kitchen: the largest can in the family, running the same self-sealing system as the 17L and the Crown (heat-seal the full bag, auto-load a fresh one) at a scale that keeps up with real cooking. It lists at $349 (from $439), with a lifetime warranty and free shipping. This guide covers how it works, the capacity question every buyer asks, what it costs to run, and who should choose it over its smaller siblings.

How the Ultra works

A motion-sensor lid opens touchlessly while you cook. Inside, a SmartRing™ refill holds up to 25 bags as one continuous liner system. When a bag is full, the Ultra heat-seals it shut; you lift out a closed bag (raw chicken packaging, coffee grounds, and all), and a fresh bag is already loaded. The two touches a normal kitchen can demands every single week, tying the bag and fitting the new one, are simply gone. Sealing also closes the odor in with the trash, which is why the Ultra needs no filters or scent systems.

The capacity question, answered honestly

Thirty liters is not 13 gallons, and this guide will not pretend otherwise: the big sensor cans (simplehuman's 58L, EKO's 80L Mirage-X) hold more per bag. The Ultra's trade is deliberate. A 13-gallon open bag is a week of kitchen waste ripening in place; a 30L sealed bag leaves the house closed, more often, in a swap that takes seconds because the next bag loads itself. For a household of one to four that cooks most days, owners find the rhythm easy. For a very large household producing constant volume, weigh the swap rhythm against a bigger dumb can using our kitchen guide, which scores the whole field fairly.

Power: rated for 70+ days

Trash King® rates the Ultra's rechargeable battery at 70+ days per charge, with a full charge taking about 2 hours over USB-C. No batteries to buy, no adapter, no outlet claimed beside the counter: charge it every couple of months and put it back by the island.

What it costs to run

SmartRing™ refills are the only consumable: $12.60 a ring, $42 a 6-pack, $112 a 12-pack, up to 25 bags per ring, so about $0.50 a bag on a single ring and as low as $0.28 a bag on the 6-pack. At a bag every day or two in a busy kitchen, that is the whole running cost: no filters on a schedule, no batteries, no coded liners at a premium.

Ultra, 17L, or Crown: which rooms, which can

The Ultra owns kitchens and big households. The Royal Bin® 17L ($199) runs the same system for living spaces, bedrooms, and general household use, and smaller households that want the sealing life at a lower price. The Crown 10L ($99) is the bathroom and small-space can. Many households end up with the pattern the family was designed for: an Ultra where the cooking happens, a Crown where the water runs, and the sealed-bag routine everywhere.

The terms, plainly

$349 (list $439). Lifetime warranty. Free shipping. A 30-day money-back guarantee. The Ultra sells in batches; the product page shows live availability, including pre-order when a batch is in production, and the price you see there is the price.

See it here: the Ultra 30L product page.

FAQ

Is 30L big enough for a kitchen?

For most households, yes, with a different rhythm: you swap a sealed bag more often than a 13-gallon can, and each swap takes seconds because the Ultra seals and reloads itself. Very large, high-volume households should weigh it against the bigger sensor cans in our kitchen guide.

How long does the Ultra battery last?

Trash King® rates it at 70+ days per charge, and a charge takes about 2 hours over USB-C. There are no batteries to replace.

What bags does the Ultra use?

SmartRing™ refill rings made for the sealing system: up to 25 bags per ring at $12.60, with 6-packs at $42 and 12-packs at $112. Regular loose bags do not run the seal-and-reload system.

Ultra 30L or Royal Bin® 17L: which should I buy?

Kitchen or big household: the Ultra, for capacity. Living spaces, bedrooms, general use, or a smaller household watching price: the 17L at $199. Same system, different rooms.

Is the Ultra in stock?

It sells in batches. The product page shows the live status, including pre-order when a batch is in production; orders are paid in full and the page states the terms before you buy.

What warranty does the Ultra carry?

A lifetime warranty, like every Royal Bin®, plus free shipping and a 30-day money-back guarantee.

Sources

trashkingstore.com Ultra 30L product page, checked October 10, 2026 (price, battery rating, system). Prices, availability, and terms change; the product page is the final word.

More: the kitchen trash can guide, Royal Bin® vs simplehuman, the Crown 10L guide, and the hub guide to the best self-sealing trash cans.