
Hamilton Beach Smooth Edge
Score: 73/100
Canslab Ultrablade PRO Auto Stop
Score: 80/100Rankings

The Canslab Ultrablade PRO is a rechargeable, hands-free can opener that delivers fast, quiet side-cutting with an auto-stop feature. Its trade-off is incompatibility with rimless cans and vague dimension details. Best suited for arthritis-friendly home use and camping.

The Hamilton Beach Smooth Edge electric can opener uses a side-cutting blade to produce smooth, reusable lids and handles tall cans up to 6 inches. Its short power cord and reported durability issues may limit long-term use. Ideal for home cooks seeking safe, one-hand operation.
| Attribute | ![]() | ![]() |
|---|---|---|
| ↓ lower better | 290 gbest | 306 g |
— | 2,000 mAhbest | |
1 yearsbest | — | |
1 | 2best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Battery(1) | ||
Power Source | Electric | Lithium Ion |
Features(2) | ||
Cutting Mechanism | Side-cutting | side-cut |
Can Size Compatibility | Up to 6 inches | Standard |
Accessories(1) | ||
Number of Included Accessories | 1 | 2 |
Design & Build(3) | ||
Blade Material | Stainless steel | Stainless Steel |
Weight (g) | 290 g | 306 g |
Overall Dimensions (H×W×D) (cm) | Height 25.9-26.7 cm × Width 11.9-12.7 cm × Depth 11.9-12.7 cm cm | 5.7×5.7×5.7 cm cm |

Products in the top-left offer the best value (high score, low price).

Professional reviewers commend the Hamilton Beach Smooth Touch for its side-cutting safety, ergonomic lever, and mess-free operation, positioning it as a convenient kitchen essential for busy households. However, they caution that the short cord and reported short-term durability make it less suitable for heavy or commercial use, and they note that not all models include an automatic shutoff.
Everyday users love the ease of one-handed operation, the smooth, non-sharp lids, and the ability to open tall cans, often describing the device as a noticeable upgrade over handheld openers. Recurring complaints focus on the short power cord, occasional mechanical failures after a month of use, and occasional metal shavings, leading some to question long-term reliability.

“easy and simple”

“what a difference over handheld”

“smooth edges”



Professional reviewers and editors highlight the Ultrablade PRO's hands-free automation, full-lap side-cutting and auto-stop as standout features that eliminate manual effort. They commend its senior-friendly one-touch operation, eco-friendly rechargeable battery with USB-C charging, and performance gains of 28% less noise and 28% faster cutting compared to AA-powered models, while noting its limitation to rimmed cans and vague dimension details.
Everyday users consistently praise the opener's effortless one-press operation, smooth safe edges, strong magnetic lid holder and long battery life of about 120 cans per charge. Common themes include appreciation for its quiet performance and portability for camping, with recurring concerns about reduced battery life on larger cans and unclear storage dimensions.