Cordless String Trimmer Compatible with Dewalt 20V MAX Battery - 12in

Our review of the HEINPRO cordless string trimmer finds it best suited to homeowners and professionals who already own DeWalt 20V MAX batteries and want a lightweight, versatile backup trimmer. The single biggest reason to buy is compatibility with a broad range of DeWalt 20V batteries, which lets users skip buying a new battery system and get immediate runtime from existing packs. Assembly is quick and the tool is notably light, making short trimming and edging sessions easy without tiring the user.

Key Features

• DeWalt 20V compatibility: Use existing DCB200-series batteries so you can power the trimmer without buying a new charger or battery pack.
• 3-in-1 tool: Switch between precision string trimming, an in-line wheeled edger and a mini mower style setup to handle multiple yard tasks with a single device.
• Copper wire motor upgrade: The motor reaches up to 8500RPM no-load speed, providing stronger cutting performance and reduced noise compared with cheaper brush setups.
• Patented spool system: The upgraded spool reduces loose, messy line during installation and keeps line feeding more consistent in normal use.
• Dual line advance system: Automatic feed gives a small steady length on start while a manual bump-head release lets you add line in 0.4in increments when needed.
• Ergonomic adjustability: A 180 rotating auxiliary handle and a 0-90 tilt on the cutting head let users set comfortable angles for edging or trimming tight spots.

Who It's For

This trimmer is ideal for homeowners with small to medium yards and professionals who already carry DeWalt 20V MAX batteries and need a compact, lightweight trimmer for quick jobs. Its 12in cutting diameter and 3.7 lb weight make it easy to maneuver for edging, trimming around flower beds and clearing light weeds.

Those with heavy-duty clearing needs, very tall or thick brush, or large commercial lawns should look elsewhere for a higher-powered, heavy-duty brushless or gas trimmer. Also note this is a bare tool; buyers must already own or purchase a compatible DeWalt 20V battery and charger.

Pros & Cons

Pros

• Lightweight at 3.7 lb, making it comfortable for extended hand-held use.
• Multiple modes (trimmer, edger, mini mower) increase the tool's usefulness around the yard.
• Easy assembly and quality spool design reduce line frustration during setup.
• Compatibility with DeWalt 20V batteries offers flexibility and value for existing tool owners.

Cons

• Power and long-term durability received mixed customer feedback, so it may not suit heavy or continuous commercial use.
• Battery and charger are not included, which adds to total cost for buyers who lack a DeWalt battery.

Specifications

Brand	HEINPRO
Compatibility	DeWalt 20V MAX batteries (DCB200 series and similar)
Cutting diameter	12 in
Line configuration	Dual line, 2 x 16.5 ft, 0.065 in diameter
Weight	3.7 lb
Total length	2.7-3.6 ft (adjustable)
No-load speed	Up to 8500 RPM

Our Verdict

The HEINPRO cordless string trimmer is a smart, value-oriented choice for users who already own DeWalt 20V MAX batteries and need a lightweight, adjustable trimmer for routine yard work. It offers useful versatility with its 3-in-1 design and improved spool system, and while power and long-term durability vary by use, it represents good value for homeowners and pros requiring a convenient backup or portable trimming tool.

Frequently Asked Questions

Does this trimmer include a battery and charger?
No, this is a bare tool; battery and charger are not included and must be provided separately.

Which batteries are compatible?
It is compatible with DeWalt 20V MAX batteries including DCB200, DCB201, DCB203, DCB204, DCB205, DCB206, DCB207, DCB208, DCB210, DCB230 and DCB240 series.

How wide is the cutting swath?
The trimmer has a 12 in cutting diameter, suitable for trimming and edging in small to medium yards.