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SEYVUM 20V vs Sun Joe HJ604C 2-in-1 Cordless Grass Shear and

Updated July 2026 — SEYVUM 20V wins on price and weight, Sun Joe HJ604C 2-in-1 Cordless Grass Shear and wins on cutting speed and runtime.

The SEYVUM is ideal for larger tasks with its powerful design, while the Sun Joe offers versatility at a lower price. Choose based on your gardening needs.

Why SEYVUM 20V is better

Cutting Power

Can cut branches up to 5/8 inches thick

Reach

Telescopic pole extends up to 9 feet

Battery Life

Includes two 2.0Ah batteries for extended use

Why Sun Joe HJ604C 2-in-1 Cordless Grass Shear and is better

Price

Significantly cheaper at $39.97

Weight

Lightweight at only 2.5 lbs

Versatility

2-in-1 design for grass shear and hedge trimming

Overall score

SEYVUM 20V
85
Sun Joe HJ604C 2-in-1 Cordless Grass Shear and
75

Specifications

SpecSEYVUM 20VSun Joe HJ604C 2-in-1 Cordless Grass Shear and
BrandSEYVUMSun Joe
Model20V Hedge TrimmerHJ604C
Battery TypeLithium-IonLithium-Ion
Cutting Thickness5/8 inchesN/A
WarrantyN/A2 years

Dimension comparison

SEYVUM 20VSun Joe HJ604C 2-in-1 Cordless Grass Shear and

Overview of the SEYVUM and Sun Joe Trimmers

The SEYVUM 20V 20 inch Cordless Pole Hedge Trimmer and the Sun Joe HJ604C 2-in-1 Cordless Grass Shear and Hedge Trimmer cater to distinct gardening needs. While the SEYVUM is designed for larger hedges and more demanding tasks, the Sun Joe offers versatility in a compact form. The SEYVUM is priced at $89.99, whereas the Sun Joe is significantly cheaper at $39.97, making it about 56% less expensive.

Cutting Performance and Efficiency

The SEYVUM features hardened steel double-acting blades that provide efficient cutting capability, allowing it to tackle branches up to 5/8 inches thick. This capability ensures smooth and precise cuts, making yard work faster and more efficient. In contrast, the Sun Joe operates at 1250 RPM, which is a leading speed in its category, delivering cleaner cuts without snagging. While the SEYVUM is optimal for substantial trimming, the Sun Joe excels in smaller, more detailed tasks, making each suitable for different types of garden maintenance.

Design and Usability

The SEYVUM trimmer boasts a telescopic pole that extends from 7.5 feet to 9 feet, allowing users to trim high hedges without the need for a ladder. Its adjustable trimmer head, which can tilt from 0-135°, adds to its flexibility. On the other hand, the Sun Joe weighs only 2.5 lbs and features a lightweight, ergonomic design, making it particularly user-friendly for seniors or anyone who prefers a more manageable tool. Each design caters to specific user preferences, with the SEYVUM aimed at those needing reach and power, while the Sun Joe is perfect for portability and ease of use.

Battery Life and Charging

The SEYVUM comes with two 2.0Ah batteries that allow for a continuous runtime of up to 25 minutes each. This dual battery system provides the advantage of alternating batteries during longer tasks. The Sun Joe, equipped with a 7.2V lithium-ion battery, offers between 30 to 60 minutes of runtime on a single charge, making it a reliable option for smaller jobs. While the SEYVUM offers a more robust battery setup for heavy-duty tasks, the Sun Joe's battery life is sufficient for its intended use, providing convenience and efficiency.

Versatility and Functionality

The Sun Joe stands out for its 2-in-1 design, allowing users to switch between a grass shear and a hedge trimmer with a simple blade swap. This makes the Sun Joe ideal for various gardening tasks, from lawn edging to maintaining hedges. In comparison, the SEYVUM focuses on being a specialized hedge trimmer with features tailored to high-reaching and dense shrub work. Users looking for a multipurpose tool may find the Sun Joe more attractive, while those needing dedicated hedge trimming capabilities will appreciate the SEYVUM's focused features.

Customer Support and Warranty

The Sun Joe offers a 2-year warranty and US-based customer support, giving users peace of mind regarding their purchase. This aspect is particularly appealing for buyers who value after-sales service. The SEYVUM lacks detailed warranty information in the provided data, which may leave some customers concerned about long-term support. The more robust warranty from Sun Joe may influence buyers who prioritize reliability in customer service and product assurance.

Price Comparison

At $89.99, the SEYVUM is positioned as a higher-end hedge trimmer, while the Sun Joe's price of $39.97 reflects its more budget-friendly approach. This means the SEYVUM is about 125% more expensive than the Sun Joe. Buyers should consider their budget and the extent of their gardening needs when deciding, as the price difference is significant and indicative of the tools' intended use.

Which should you buy?

Choosing between the SEYVUM 20V 20 inch Cordless Pole Hedge Trimmer and the Sun Joe HJ604C 2-in-1 Cordless Grass Shear and Hedge Trimmer ultimately depends on your specific gardening needs. If you require a powerful, high-reaching trimmer for larger hedges and extensive shrub work, the SEYVUM is the better choice. However, if you're looking for a versatile, lightweight tool that is easy to handle for smaller tasks, the Sun Joe offers excellent value at a lower price point. Consider the type of gardening you plan to do and your budget to make the best decision.