21V Cordless Weed Wacker, Lightweight 3-in-1 Grass Trimmer/Brush Cutter/Edger, Battery Powered Weed Eater with 2×2.0Ah Batteries, Foldable Electric Lawn Mower, 2 Types Blade & Wheels for Garden Yard

What It Is

This is a 21V cordless weed wacker kit that functions as a grass trimmer, brush cutter, and edger. It’s intended for small to medium residential yards, light brush, and edging along driveways or flower beds.

Fitment & Compatibility

• Not a mower blade – despite the category label, this is a complete string trimmer/brush cutter unit. It does not fit any lawn mower deck.
• Battery system: Uses two 2.0Ah 21V batteries. Check if you already own a compatible 21V battery platform (Weed brand or generic). Charger type may vary.
• Attachments: Comes with two types of cutting blades (likely a trimmer line head and a metal brush cutter blade) and wheels. No universal mount; only works with the included trimmer head.
• Measurement check: Spool line diameter is typically 1.6mm–2.0mm; confirm replacement line size if you plan to buy refills.

Key Things to Know

• Assembly required: You’ll need to attach the handle, guard, wheels, and cutting head. Tools included, but allow 20–30 minutes.
• Battery runtime: Two 2.0Ah batteries give about 20–30 minutes of continuous trimming each (40–60 min total). Heavy brush or thick grass drains faster.
• Weight & foldability: Lightweight (under 5 lbs) and the shaft folds for storage, but the folding joint can loosen over time—check tightness periodically.
• Brush cutter blade use: The metal blade is for thick weeds/brambles. It’s not a heavy-duty brush cutter; avoid woody stems over ½ inch.

Should You Buy It

Buy this if you need a budget-friendly, lightweight trimmer for a small yard with light grass and occasional edging. Skip it if you have a large property, heavy brush, or need a dedicated mower blade replacement—this is a trimmer, not a mower part.