EGO POWER+ 16" Cordless Trimmer Review

Last Updated on November 11, 2026 by D. Ruddy

EGO POWER+ 16″ Cordless Weed Trimmer with Battery and Charger – ST1623T Review

The EGO POWER+ ST1623T is a 16-inch cordless weed trimmer with patented LINE IQ and POWERLOAD technology for hassle-free yard maintenance. It’s ideal for homeowners who want professional-grade results without the hassle of gas-powered tools.

This review covers its standout features, real-world performance, and whether it’s the right fit for your lawn care needs.

EGO POWER+ 16″ Cordless Weed Trimmer with Battery and Charger – ST1623T

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Key Features

The EGO POWER+ ST1623T packs innovative technology into a user-friendly design, making it a standout in the cordless trimmer market.

Patented LINE IQ Technology: Auto-sensing mechanism maintains a continuous 16-inch cutting swath, eliminating the need for manual line adjustments. This ensures non-stop, high-performance trimming without interruptions.
Patented POWERLOAD Technology: Simplifies line reloading-just feed the trimmer line through the head, press a button, and the machine automatically winds it. This saves time and eliminates frustration.
Telescopic Carbon Fiber Shaft: Adjusts quickly to match your height for ergonomic comfort during extended use. The carbon fiber material adds durability while keeping the tool lightweight.
Up to 60 Minutes of Runtime: Powered by a 4.0Ah battery, this trimmer delivers up to an hour of runtime on a single charge, making it ideal for medium to large yards.
Digital Variable Speed Selector: Allows you to match the trimmer’s speed to the task at hand, whether you’re tackling thick weeds or delicate edging.

Performance Analysis

The EGO POWER+ ST1623T excels in real-world conditions, combining power, efficiency, and ease of use. Its brushless motor delivers consistent torque, while the variable speed control ensures precision for different tasks. The LINE IQ system is a game-changer, maintaining optimal line length without manual bumping. The carbon fiber shaft reduces fatigue, and the ergonomic design makes it comfortable for prolonged use.

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Cutting Efficiency: The 16-inch cutting swath handles large areas quickly, and the dual-line system ensures clean, precise cuts. The LINE IQ technology keeps the line at the ideal length, reducing downtime.
Battery Life and Power: The 4.0Ah battery provides up to 60 minutes of runtime, which is impressive for a cordless model. The brushless motor maximizes efficiency, delivering consistent power even through tough weeds.
Build Quality: The carbon fiber shaft and robust plastic housing are built to last. The trimmer head is durable, and the overall construction feels solid, with no cheap components.
Ease of Use: The telescopic shaft and adjustable handle make it comfortable for users of all heights. The POWERLOAD system simplifies line reloading, and the variable speed dial is intuitive to use.
Noise Level: Significantly quieter than gas trimmers, making it ideal for residential areas. The noise is comparable to a vacuum cleaner, which is a major plus for early morning or late evening use.

Aspect	Rating	Notes
Performance	4.8/5	Exceptional cutting power and efficiency with minimal downtime thanks to LINE IQ.
Build Quality	4.7/5	Durable carbon fiber shaft and high-quality plastic components. Feels premium.
Ease of Use	4.9/5	POWERLOAD and telescopic shaft make it one of the most user-friendly trimmers available.
Value	4.5/5	Premium features justify the price, though budget-conscious buyers may find it steep.

Pros and Cons

After extensive testing, the EGO POWER+ ST1623T proves to be a top-tier cordless trimmer with a few minor trade-offs. It offers professional-grade performance with user-friendly features, though the price point may be a barrier for some.

What We Liked:

LINE IQ Technology ensures continuous, hassle-free trimming without manual line adjustments. This feature alone sets it apart from competitors.
POWERLOAD system makes reloading the trimmer line effortless-just feed the line and press a button. No more wrestling with manual winding.
60-minute runtime on a single charge is impressive and sufficient for most residential yards. The 4.0Ah battery charges quickly.
Telescopic carbon fiber shaft adjusts to any user height, reducing strain and improving comfort during extended use.
Digital variable speed control allows for precise power adjustments, making it versatile for different tasks.
Significantly quieter than gas trimmers, making it neighbor-friendly and more pleasant to use.

What Could Be Better:

Higher price point compared to entry-level cordless trimmers, though the features justify the cost for serious users.
The 16-inch cutting swath is excellent for efficiency but may feel bulky in tight spaces or for users with smaller hands.
Battery life could be slightly longer for very large properties, though 60 minutes is ample for most homeowners.
Replacement line and batteries are proprietary, which can add to long-term costs.

Who Is This For

The EGO POWER+ ST1623T is designed for homeowners who prioritize performance, convenience, and durability in their yard tools. It’s perfect for those who want a gas-like experience without the noise, fumes, or maintenance. However, budget-conscious buyers or those with very small yards may find it overkill.

Ideal for: Homeowners with medium to large yards who need a powerful, reliable trimmer for regular maintenance. Its features make it a great choice for those who value efficiency and ease of use.
Perfect if: You want a cordless trimmer that eliminates the hassles of line reloading and manual adjustments. The LINE IQ and POWERLOAD technologies are game-changers for convenience.
Great for: Users who prefer quiet, eco-friendly tools. The low noise level and zero emissions make it ideal for residential areas.
Not ideal for: Those on a tight budget or with very small yards, as the premium features may not be necessary. Additionally, professionals with heavy-duty needs might require a more robust model.

Buying Guide

Choosing the right cordless weed trimmer depends on your yard size, budget, and specific needs. The EGO POWER+ ST1623T is a high-end option, but understanding the key factors can help you decide if it’s the right fit or if another model might suit you better.

Key Features to Look For

Cutting Swath: A wider cutting swath, like the 16-inch on the ST1623T, covers more area quickly but may be less maneuverable in tight spaces. Consider your yard’s layout.
Battery Life: Look for a model with at least 45-60 minutes of runtime if you have a medium to large yard. The ST1623T’s 60-minute runtime is excellent for most users.
Line Loading Mechanism: Features like POWERLOAD can save time and frustration. Manual line loading can be tedious, especially for frequent users.
Variable Speed Control: Allows for better precision and power management. This is particularly useful for tackling different types of vegetation.

Important Materials

Shaft Material: Carbon fiber, like on the ST1623T, is lightweight and durable, reducing fatigue during extended use. Avoid models with flimsy plastic shafts.
Trim Head Quality: Look for durable, impact-resistant trimmer heads. Dual-line systems tend to offer better performance and longevity.
Grip and Handle: Ergonomic, rubberized grips improve comfort and control. Adjustable handles are a plus for users of different heights.

Essential Factors to Consider

Yard Size: For small yards, a compact trimmer with a 12-14 inch cutting swath may suffice. For larger properties, a 16-inch model like the ST1623T is more efficient.
Power Source: Cordless trimmers offer convenience but require battery management. If you prefer unlimited runtime, consider a corded electric or gas model.
Weight: Lighter trimmers are easier to maneuver, but heavier models often offer more power. The ST1623T strikes a good balance with its carbon fiber shaft.

Budget Planning

Budget-Friendly: Entry-level cordless trimmers typically range from $80-$150 and offer basic features like manual line loading and shorter runtimes. These are suitable for small yards and occasional use.
Mid-Range: Models in the $150-$250 range often include features like variable speed control and better battery life. These are ideal for most homeowners with medium yards.
Premium: High-end trimmers like the EGO POWER+ ST1623T (around $250-$300) offer advanced features like LINE IQ, POWERLOAD, and extended runtimes. These are best for users who demand top performance and convenience.

Category	Description	Typical Features
Budget-Friendly	Entry-level options	Basic cutting swath, manual line loading, shorter battery life
Mid-Range	Best value options	Variable speed, better battery life, some automated features
Premium	High-end options	Advanced features like LINE IQ, POWERLOAD, extended runtime, carbon fiber shaft

When to Buy

Best Seasons: Spring and early summer are ideal times to purchase a trimmer, as retailers often offer discounts to kick off the lawn care season. Fall can also bring clearance sales.
Sales Events: Keep an eye on Black Friday, Cyber Monday, and Amazon Prime Day for significant discounts on tools like the EGO POWER+ ST1623T.
New Model Releases: EGO typically releases new models in early spring. Buying just after a new release may secure the previous year’s model at a discount.

Pro Tip: If you’re investing in a premium trimmer like the ST1623T, consider buying an extra battery. This ensures you always have a backup charged and ready, maximizing your productivity during long sessions.

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Frequently Asked Questions

How does the LINE IQ technology work?

The LINE IQ system uses sensors to monitor the trimmer line length and automatically feeds more line as needed. This ensures a continuous 16-inch cutting swath without the need for manual bumping or adjustments. It’s a hands-free solution that keeps you focused on trimming rather than stopping to adjust the line.

Is the battery compatible with other EGO tools?

Yes, the 4.0Ah battery included with the ST1623T is part of EGO’s interchangeable battery system. It can be used with other EGO POWER+ tools, such as leaf blowers, hedge trimmers, and mowers. This makes it a versatile addition to your yard care arsenal.

How long does it take to charge the battery?

The included charger fully recharges the 4.0Ah battery in approximately 60-70 minutes. This quick turnaround time means you can get back to work without long downtimes. For extended sessions, consider purchasing an additional battery.

Can I use third-party trimmer line with this model?

While the ST1623T is designed to work best with EGO’s proprietary trimmer line, you can use third-party .095-inch dual-line with some adjustments. However, using non-EGO line may affect performance and could void the warranty. For optimal results, stick with EGO’s recommended line.

How do I maintain the trimmer for longevity?

Regular maintenance includes cleaning the trimmer head after each use to prevent debris buildup, checking the line for wear, and ensuring the battery is stored in a cool, dry place. Occasionally, lubricate the moving parts and inspect the carbon fiber shaft for any damage. Following these steps will keep your trimmer in top condition for years.

Final Verdict

The EGO POWER+ ST1623T is a standout cordless weed trimmer that combines innovative technology, durability, and ease of use. Its LINE IQ and POWERLOAD features eliminate common frustrations, while the carbon fiber shaft and 60-minute runtime make it a joy to use. If you’re looking

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