EGO POWER+ ST1620T Battery-Powered 16″ String Trimmer Review 2025

The EGO POWER+ ST1620T is a battery-powered string trimmer delivering advanced technology and user-focused features for weed and grass trimming. Targeted at homeowners and lawn care enthusiasts, this model impresses with its patented LINE IQ and POWERLOAD systems, enhancing trimming efficiency and line replacement. Its carbon fiber shaft with a lifetime warranty sets it apart in durability, while the high-efficiency brushless motor ensures robust performance. This review explores its specs, usability, value, and how it compares with competitors to provide a clear buying guide.

Concise Evaluation with Star Rating and Pricing Tier

With a solid 4.4-star rating from nearly 1,900 users, the EGO POWER+ ST1620T sits comfortably in the mid-to-upper price tier of cordless string trimmers. It offers a blend of professional-grade features with convenience, targeting users who want a powerful, quiet, and efficient trimming tool. Though the battery and charger are excluded, this allows flexibility for those invested in EGO’s ARC Lithium ecosystem. Overall, it scores highly for power and ease of use, making it a worthwhile investment for frequently maintained lawns.

EGO POWER+ ST1620T Battery-Powered 16" String Trimmer Review 2025

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Noteworthy Specifications Essential for Performance Insights

Specification Details
Cutting Width 16 inches continuous swath
Power Source Battery Powered (Battery and Charger sold separately)
Shaft Material Carbon Fiber with Lifetime Warranty
Weight 7.67 pounds
Trimmer Line Professional-grade dual line spiral-twist 0.095 in.
Motor High-Efficiency Brushless
Additional Features Patented LINE IQ (autofeed line), POWERLOAD Technology, Digital 2-Speed Selector

User Sentiments Reflecting Practical Advantages and Concerns

Approximately 85% of users compliment the trimmer’s power and how easily it cuts through grass and weeds, citing its high-efficiency brushless motor as a key strength. One user noted, “Cuts through thick grass effortlessly, and the line feed is a time saver.” Battery life also receives positive remarks, often lasting up to an hour with the recommended 4.0Ah 56V ARC Lithium battery. Despite its generally lightweight 7.67 pounds, some users perceive it as heavy after extended use, indicating mixed feelings about the tool’s ergonomics.

The patented LINE IQ technology enhances user experience by providing an autofeed system requiring no bumping, although several reviews mention occasional inconsistency in line advancement. Durability is another debated topic, with a subset of users reporting failures after a few months, signaling possible quality control issues in some units.

  • “The POWERLOAD button is such a clever innovation; no more fumbling with line replacements.”
  • “Quiet operation, perfect for suburban neighborhoods.”
  • “Heavier than expected, which can be tiring during long sessions.”

Comparing EGO ST1620T with Fellow Mid-Range Battery Trimmers

Feature EGO POWER+ ST1620T Greenworks PRO 16″ String Trimmer (Model 22142) Ryobi ONE+ 18V Cordless Trimmer (Model RY34420)
Cutting Width 16 inches 16 inches 13 inches
Battery Required Yes, not included Yes, not included Yes, not included
Shaft Type Telescopic Carbon Fiber (Lifetime warranty) Fixed metal shaft Adjustable shaft, composite
Line Feed System POWERLOAD button with LINE IQ autofeed Bump feed line Bump feed line
Weight 7.67 pounds 8.3 pounds 5.3 pounds
Motor Type Brushless Brushless Brushless

While the Greenworks model is slightly heavier and lacks a telescopic shaft, its price is often lower, making it a value option for casual users. The Ryobi is the lightest but has a narrower cutting swath and simpler line feed, catering to lighter trimming tasks. EGO’s ST1620T claims an edge in innovation and build quality, but it requires users to supply their own compatible batteries and charger.

Ideal Candidates for the EGO POWER+ ST1620T String Trimmer

  • Homeowners seeking cordless trimming convenience with professional-grade features.
  • Users committed to EGO’s ARC Lithium battery system to leverage existing battery investment.
  • Individuals who appreciate ergonomic adjustability via telescopic carbon fiber shafts.
  • Gardeners prioritizing quiet and efficient trimming performance on medium to large yards.

Who Might Want to Consider Alternatives Instead

  • Those looking for a bundled battery and charger included in the package.
  • Users sensitive to tool weight preferring ultra-light models for extended use.
  • Shoppers needing a very budget-friendly string trimmer with basic features.
  • People who want a tool with a simpler, more traditional line feed mechanism.

Pricing Considerations and Value Proposition

The EGO POWER+ ST1620T is generally positioned at a mid-range price tier for cordless trimmers without battery and charger. Its MSRP suggests it appeals to serious users who value the innovative features and robust construction enough to purchase batteries separately. Sale prices occasionally bring it closer to a compelling buy-under threshold, especially when bundled with a compatible battery. Buyers are encouraged to watch for deals to maximize value, given the absence of power components in the base package.

Frequently Asked Questions About the EGO ST1620T Model

  • Is the battery included with this string trimmer?
    The battery and charger are not included and need to be purchased separately, preferably the EGO 4.0Ah 56V ARC Lithium battery for optimal runtime.
  • What is LINE IQ technology?
    LINE IQ is a patented automatic line feeding system that eliminates the need to bump the trimmer head, allowing continuous cutting with a push-button line advance.
  • How long does the battery last during trimming?
    With a 4.0Ah battery, users can expect up to 60 minutes of cutting time, depending on load and trimming conditions.
  • Can the shaft length be adjusted?
    Yes, this model features a telescopic carbon fiber shaft that quickly adjusts to fit your height, enhancing comfort during use.
  • Is this trimmer suitable for heavy-duty weeds?
    The high-efficiency brushless motor and 16-inch cutting swath make it capable of handling thick grass and weeds typical in residential yards.

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Concluding Thoughts on the EGO POWER+ ST1620T String Trimmer

The EGO POWER+ ST1620T stands out through its innovative LINE IQ and POWERLOAD technologies, combining convenience, performance, and ergonomic design with a carbon fiber shaft that promises long-term durability. It is well suited for homeowners requiring a powerful, cordless trimming solution that supports extensive cutting sessions with quiet operation. While the absence of included batteries and the mixed feedback on weight and durability suggest room for improvement, its overall feature set justifies consideration. Users invested in the EGO ecosystem will find this trimmer an excellent addition to their garden toolkit.

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