Kobalt Gen4 40-Volt 520-CFM 120-MPH Brushless Leaf Blower - Tool Only

In this review of the Kobalt Gen4 40-Volt 520-CFM 120-MPH Brushless Handheld Cordless Leaf Blower, the bottom line is clear: this tool is for homeowners and light commercial users who want a powerful, lightweight cordless blower without paying extra for batteries and chargers. Our review finds the blower delivers strong airflow and practical usability, making it ideal when paired with compatible batteries from the same system. The single biggest reason to buy is its combination of powerful blower performance and easy handling for cleanup tasks around yards, driveways and box trucks.

Key Features

• Brushless motor: Provides efficient high-speed airflow for consistent clearing power while reducing maintenance compared with brushed designs.
• High airflow and speed: Rated at 520 CFM and 120 MPH for effective movement of leaves, debris and light wet material from surfaces.
• Lightweight handheld design: Makes extended use less fatiguing so the operator can tackle sidewalks, driveways and tight spaces with better control.
• Cordless convenience: Runs on the 40-volt platform to avoid extension cords and enable portable operation when a compatible battery is installed.
• Tool only package: Sells without a battery or charger so buyers can save if they already own compatible batteries or prefer to choose their own charging options.

Who It's For

This blower suits homeowners who already own or plan to invest in the matching 40-volt battery platform and need a capable, easy-to-handle cordless blower for routine yard cleanup. It also fits light commercial users who value a brushless motor and the mobility of a handheld unit for tasks such as clearing truck beds or quick property cleanups.

It is not the best choice for someone who expects a complete kit out of the box, since the product comes as tool only. Buyers who want an all-in-one purchase with a battery and charger included should look for bundled packages from other listings or brands.

Pros & Cons

Pros

• Strong blower quality and airflow suitable for leaves and light debris.
• Lightweight and easy to use for extended tasks without excessive fatigue.
• Relatively quiet operation compared with many gas blowers, improving comfort during use.
• Good value for buyers who already own compatible batteries.

Cons

• Sold as a tool only, so no battery or charger is included with the purchase.
• Battery life receives mixed reports; some users note runtimes may be short between uses depending on battery capacity.

Specifications

Product name	Kobalt Gen4 40-Volt 520-CFM 120-MPH Brushless Handheld Cordless Leaf Blower
Voltage	40-Volt platform
Motor type	Brushless
Airflow	520 CFM
Air speed	120 MPH
Package contents	Tool only (no battery, no charger)
Intended category	Leaf blower / outdoor power tool

Our Verdict

The Kobalt Gen4 40-Volt blower is a sensible buy for users who prioritize power and portability and already have or plan to buy compatible 40-volt batteries. It delivers strong airflow, a lightweight feel and quieter operation than gas alternatives, offering solid value when purchased as part of a battery ecosystem. Those needing an out-of-the-box kit with battery and charger should consider other options.

Frequently Asked Questions

Does this blower include a battery and charger?
No. This product is sold as a tool only and does not include a battery or charger.

Is the motor brushless?
Yes. The blower uses a brushless motor for improved efficiency and lower maintenance.

How loud is the blower?
Customers report it runs relatively quietly compared with many gas models, making it more comfortable for residential use.