HEINPRO Cordless String Trimmer — Milwaukee M18-compatible 2-in-1 trimmer/edger, lightweight 4.2 lb

HEINPRO Cordless String Trimmer is a lightweight, Milwaukee M18-compatible 2-in-1 battery-powered weed wacker that converts from string trimmer to wheeled edger for precise lawn and border work.

If you already own Milwaukee M18 batteries or want a tool that fits that ecosystem, this HEINPRO cordless trimmer offers a flexible, low-fatigue option for routine lawn maintenance. It ships without battery or charger so you can pair it with the M18 cells you trust, and includes accessories and safety features that make edging, trimming, and knotty growth straightforward.

How does the 2-in-1 trimmer-to-edger conversion work?

Switching from trimming to edging is a quick mechanical rotation rather than a tool swap, so you can change modes while working without extra attachments. Rotate the cutting head 90° to engage the wheel and guide the trimmer as an edger for neat borders.

• 90° head rotation for instant edging
• Built-in guide wheel aligns cuts along sidewalks and beds
• No separate edger head required—single tool for two tasks

What line feed options does the HEINPRO trimmer provide?

The trimmer uses a dual-action feed system giving you both automatic and manual control over line length. An automatic half-inch feed engages each time you pull the trigger, while a manual feed button lets you advance line exactly when you need to.

• Automatic ~0.5" line advance with each trigger pull
• Manual feed button to adjust or replace broken line quickly
• Comes with six pre-wound spools (0.055" x 16.5 ft) for immediate use

Is this trimmer comfortable and easy to handle for long sessions?

Yes—HEINPRO designed this trimmer to reduce strain with a fully adjustable handle and a lightweight body. The 180° rotating handle and five cutting-angle positions let you customize ergonomics for your height and the slope of your yard.

• Only 4.2 lbs for less arm and shoulder fatigue
• 180° rotating auxiliary handle for better leverage
• Five-angle cutting head adjustment to match terrain and posture

What safety and yard protection features are included?

The trimmer includes several built-in protections so you can work confidently around plants and people. Dual safety switches prevent accidental starts, and a spacer guard helps shield flower beds and young shrubs while trimming close to borders.

• Dual safety switches for secure operation
• Spacer guard to protect plants and soft landscaping
• Durable head design to handle typical yard debris

Who is this for? The HEINPRO Cordless String Trimmer is aimed at homeowners and small-property caretakers who want a lightweight, battery-compatible tool that integrates with Milwaukee M18 batteries. It’s a good match if you need a compact trimmer for edging sidewalks, tidying lawn edges, and handling routine overgrowth without investing in separate tools. Note: battery and charger are not included—purchase compatible Milwaukee M18 batteries if you don’t already own them.