Hejunry Electric Weed Wacker Cordless 3-in-1 String Trimmer with 2×21V 2000mAh Batteries — Lightweight, Telescoping, 18,000 RPM

The Hejunry Weed Wacker is a lightweight, cordless 3-in-1 electric trimmer with two 21V 2000mAh batteries that powers string, plastic blade and circular saw modes for fast garden trimming.

Designed for homeowners who want a quiet, portable alternative to gas trimmers, this battery-powered garden tool balances power, runtime and convenience. It converts between a string trimmer, plastic blade cutter and circular saw to tackle grass, weeds, thicker brush and small shrubs. At about 5.5 lbs and with a telescoping shaft, it adapts to different users and storage spaces while keeping noise down for neighborhood-friendly trimming sessions.

How long will the Hejunry battery run and how fast does the motor spin?

This model includes two rechargeable 21V 2000mAh lithium batteries that deliver 30–60 minutes of continuous use depending on load, and each battery fully charges in roughly two hours. The pure-copper motor can reach up to 18,000 rpm, giving high-speed cutting performance for typical yard tasks.

• Two 21V 2000mAh batteries for extended runtime
• 30–60 minutes per charge depending on cutting mode
• Full recharge in ~2 hours to minimize downtime
• Maximum motor speed up to 18,000 rpm for efficient cutting

What cutting jobs can it handle and which attachment should I use?

The Hejunry Weed Wacker swaps attachments to suit a range of chores: a nylon string for regular lawn edges, a plastic blade for thicker young grass, and a circular saw blade for tougher weeds or small branch trimming. Switching tools lets you go from light edging to heavier brush clearing without buying separate machines.

• Nylon string: neat edging and trimming around beds
• Plastic blade: faster removal of dense, young grass
• Circular saw blade: tackles thicker weeds and small shrub branches
• Adjustable cutting width (5.9 in) for controlled passes

Is the trimmer easy to use, store, and safe for homeowners?

Ergonomics and safety are built in: an adjustable handle with non-slip texture, a double-control safety switch to prevent accidental starts, and a guard plus bumper to deflect debris and protect the blade from hits. The shaft telescopes from about 35.4 to 47.2 inches and folds down for compact storage in a shed or garage corner.

• Tool weight ~5.5 lbs for comfortable maneuvering
• Dual-button safety start reduces accidental operation
• Protective guard and bumper keep clothing and parts clean
• Folds and shortens for easy storage and transport

How quiet and environmentally friendly is this cordless option?

The electric design runs much quieter than a gas trimmer, operating near 70 decibels to avoid disturbing neighbors during morning or weekend yard work. Being battery-powered eliminates gasoline, reducing fumes and simple maintenance needs like fuel mixing and spark plug checks.

• Operates around 70 dB—neighbor-friendly noise level
• No gasoline or engine emissions during operation
• Lower routine maintenance compared with gas models
• Rechargeable batteries reduce ongoing fuel costs

Who is this for? The Hejunry Weed Wacker fits homeowners, renters with small yards, and light-landscape enthusiasts who want a versatile, cordless solution for edging, lawn trimming and light brush work. It’s particularly suited to users looking for a quieter, low-maintenance alternative to gas trimmers with enough power to handle most residential trimming tasks. For long-term battery health, charge fully before first use and top up every few months during storage as recommended.