Best Battery-Powered Knockout Sets for Electrical Work
A battery-powered knockout set makes conduit openings without requiring a manual wrench for every punch. The Greenlee 11-ton 1/2-inch-to-4-inch kit is best for buyers needing the widest listed size range, while the 1/2-inch-to-2-inch Greenlee is better for common smaller knockouts. The Milwaukee kit covers 1/2 inch to 4 inches, and the TOORGO kit highlights a rotating head and two included batteries. Compare conduit-size coverage, operating features, and listed kit contents before choosing.
| Product | Best For | Listed Size Range |
|---|---|---|
| TOORGO Electric Hydraulic Kit | Rotating head and included batteries | 1/2 to 2 inches |
| Milwaukee M18 Force Logic Kit | Buyers seeking a 6-ton cordless kit | 1/2 to 4 inches |
| Greenlee LS100X Intelli-PUNCH | Broad range with auto-retract | 1/2 to 3 inches and 4 inches |
| Greenlee 11-Ton 1/2-to-2-Inch Kit | Smaller knockout sizes and stated material range | 1/2 to 2 inches |
| Greenlee 11-Ton 1/2-to-4-Inch Kit | Broad sizes and stated material range | 1/2 to 4 inches |
TOORGO Electric Hydraulic Knockout Kit

The TOORGO set is best for buyers who want a compact hydraulic knockout tool with a rotating head and a stated range of six die sizes from 1/2 inch to 2 inches. Its product listing describes an 8-ton tool and includes two batteries, a charger, and a case.
A one-touch switch and automatic pressure relief are listed as operating features. The head rotates 360 degrees to help position the tool in confined spaces, and the listing says the die-locking design helps prevent slippage during operation. A safety relief valve is also described.
Why it was selected: The listed batteries and charger make the package contents clear, and the rotating head is a useful stated feature for angled access. Limitation: The listed die range stops at 2 inches, so choose another set if your work requires larger knockouts.
Milwaukee M18 Force Logic Knockout Kit

The Milwaukee kit is best for buyers comparing a cordless knockout tool with a stated 1/2-inch-to-4-inch range. Its product name identifies it as an M18 18-volt lithium-ion Force Logic tool with 6-ton capacity and a die set.
The named package includes two 2.0Ah batteries. That information can help buyers compare the kit’s stated battery contents with other sets, but the provided listing details do not specify additional operating features or the exact contents of the die set.
Why it was selected: Its listed size range spans both smaller and larger conduit knockouts, and the product name clearly identifies its battery platform and included batteries. Limitation: Confirm the die sizes and other included accessories in the current listing if those details affect your job.
Greenlee Intelli-PUNCH Kit, 1/2 To 4 Inches

This Greenlee kit is best for buyers who need a listed range covering 1/2 inch through 3 inches and 4 inches. The product name identifies a battery-hydraulic knockout kit with Slug-Buster punches.
Its listed auto-retract technology senses punch completion and retracts the ram. The 360-degree swivel head is designed to position the punch at different angles, while the compact ergonomic design has a tapered grip for one-handed operation.
Why it was selected: The wide stated size range combines with specific operating features, including automatic retraction and a rotating head. Limitation: The listing distinguishes 1/2-inch-to-3-inch sizes and 4 inches; check the kit details to confirm the exact dies supplied.
Greenlee 11-Ton Intelli-PUNCH, 1/2 To 2 Inches

This Greenlee set is best for jobs centered on 1/2-inch-to-2-inch conduit-size knockouts. The product listing describes an 11-ton hydraulic kit with Slug-Buster punches and a maximum cycle time of eight seconds.
According to the listed features, its optimized die design is intended for steel, aluminum, brass, copper, fiberglass, and plastics. The tool has a compact tapered grip, automatic ram retraction after detecting punch completion, and a 360-degree rotating head.
Why it was selected: It combines a clearly stated smaller-size range with a stated material range and auto-retract operation. Limitation: It is not the best match when the job calls for knockouts larger than 2 inches.
Greenlee 11-Ton Intelli-PUNCH, 1/2 To 4 Inches

The 1/2-inch-to-4-inch Greenlee kit is best for buyers who need a broad knockout range and the listed 11-ton hydraulic capacity. Its product description states that the optimized die design is intended for steel, aluminum, brass, copper, fiberglass, and plastics.
The listed features include auto-retract technology that retracts the ram after detecting punch completion, a maximum cycle time of eight seconds, and a 360-degree swivel head. Its compact tapered grip is described as supporting one-person operation.
Why it was selected: It combines the broadest stated range in this group with a material list and operating details. Limitation: Check the current kit contents to verify which punch and die sizes are supplied.
Buying Guide: How To Choose a Battery-Powered Knockout Set
Which knockout sizes do you need?
Start with the conduit sizes used on your projects. A 1/2-inch-to-2-inch set is a focused choice for smaller openings. Choose a kit listing sizes up to 4 inches if larger knockouts are part of the work. Product titles may describe a range differently, so verify the included punches and dies rather than relying on the range alone.
Do the listed materials match your work?
Some product descriptions identify materials the punch design is intended to handle. The Greenlee 11-ton listings name steel, aluminum, brass, copper, fiberglass, and plastics. The other supplied product details do not provide the same material list. Check the manufacturer’s current specifications for the material and thickness you plan to punch.
Which operating features matter?
A rotating or swivel head can help position a tool at different angles. Auto-retract features are described on the Greenlee Intelli-PUNCH kits, while the TOORGO listing specifies one-touch operation and automatic pressure relief. Compare only features stated for the exact kit; specifications can vary between models.
What should you verify in the package?
Check the battery quantity, charger, case, and included die sizes before ordering. The TOORGO listing names two batteries, a charger, and a case. The Milwaukee product name lists two 2.0Ah batteries. For the other kits, use the current product details to confirm accessory contents.
Frequently Asked Questions
What is a battery-powered knockout set used for?
It uses a battery-powered hydraulic tool and punch-and-die components to create knockout openings. Select a set whose listed sizes fit the conduit openings required for the job.
Which set listed here covers the largest range?
The Greenlee 11-ton 1/2-inch-to-4-inch kit and the Milwaukee M18 kit both list coverage up to 4 inches. Confirm exact included die sizes in the product details.
Do all these kits include batteries and a charger?
No. The supplied information explicitly lists two batteries, a charger, and a case for TOORGO, and two 2.0Ah batteries for Milwaukee. Check the current listing for the other kits’ package contents.
Why choose a knockout tool with a rotating head?
A rotating head can help position the punch at different angles. The TOORGO and Greenlee listings describe a 360-degree rotating or swivel head.