15 Best Cordless Electric Blowers for Effortless Yard Work

When it comes to effortless yard work, having the best cordless electric blower is crucial. Options like the EGO Power+ with 90 minutes of runtime and an adjustable speed dial, or the lightweight Mueller UltraStorm offering a fast 1-hour charge and 140 MPH air velocity, are excellent choices. For smaller yards, the MZK Cordless Blower with two batteries suits well. The BLACK+DECKER LB700 is powerful at 180MPH/180CFM and user-friendly with cord retention. Each blower has unique features to take into account for your specific needs. Choosing the right one depends on factors like power, battery life, portability, speed options, and noise level.

Key Takeaways

• Consider high CFM and MPH for powerful performance.
• Opt for brushless motors for longer lifespan.
• Look for lightweight, ergonomic designs for easy handling.
• Choose models with long-lasting batteries for extended use.
• Check for adjustable speed settings for versatile tasks.

EGO Power+ Cordless Leaf Blower (LB6504)

For those seeking unparalleled power and efficiency in yard work equipment, the EGO Power+ Cordless Leaf Blower (LB6504) stands out as the ultimate choice. This industry-leading blower features a turbo button that delivers an impressive 650 CFM at speeds of up to 180 MPH, making quick work of leaves, grass, rocks, and even snow.

With a runtime of up to 90 minutes using the 56V 5.0Ah ARC Lithium battery, this blower offers exceptional performance. The high-efficiency brushless motor guarantees a longer lifespan and quieter operation at a noise level of only 64 dB.

Additionally, the variable speed dial allows for customization from 225 CFM to 470 CFM, catering to a variety of yard work needs. Its lightweight and compact design, along with the IPX4-rated weather-resistant construction, make the EGO Power+ Cordless Leaf Blower a top choice for both professionals and homeowners alike.

Best For: This leaf blower is best for homeowners and professionals looking for powerful, efficient, and quiet yard work equipment.

Pros:

• Turbo button with 650 CFM and speeds up to 180 MPH for quick and effective cleaning.
• Up to 90 minutes of runtime with the 56V 5.0Ah ARC Lithium battery.
• Variable speed dial from 225 CFM to 470 CFM for customizable performance.

Cons:

• May be on the heavier side at 12.9 pounds.

Mueller UltraStorm Cordless Leaf Blower 140 MPH, Electric Leaf Blower (Green)

Efficiently designed with a powerful 140 MPH air velocity, the Mueller UltraStorm Cordless Leaf Blower is a top choice for those seeking a lightweight and versatile tool for yard work.

The energy-efficient brushless motor, coupled with advanced turbo tech, delivers a strong performance for blowing debris and grass clippings with ease. This cordless blower features a compact 20V motor that operates quietly, making it suitable for various tasks without disturbing the surroundings.

With two gears available, you can adjust the speed based on the job at hand. The Mueller UltraStorm boasts fast charging times, a noise level of 65 dB, and a super light design for easy handling.

Ideal for small to medium tasks, this leaf blower offers convenience and efficiency for everyday yard maintenance.

Best For: Homeowners looking for a lightweight and efficient cordless leaf blower for small to medium tasks in their yards and homes.

Pros:

• Energy-efficient brushless motor with advanced turbo tech
• Lightweight and compact design for easy handling
• Fast 1-hour charging time

Cons:

• Not suitable for heavy-duty tasks or large leaf piles

MZK Cordless Leaf Blower, 20V Battery Powered for Lawn Care

Ideal for homeowners with small to medium-sized yards, the MZK Cordless Leaf Blower, powered by a 20V battery, offers a lightweight and portable solution for yard maintenance tasks. This cordless blower provides the freedom of movement with its cordless design and weighs just 3.9lbs, making it easy to handle.

The powerful motor can reach speeds up to 130MPH and 150CFM, efficiently clearing leaves and debris. Users appreciate the long-lasting battery that allows for up to 15 minutes of continuous use, and the two included 20V rechargeable lithium batteries ensure extended operation.

With a noise level of 65 dB, this blower operates quietly. Versatile in its applications, from debris removal to car drying, the MZK Cordless Leaf Blower combines efficiency with affordability, making yard care effortless.

Best For: Homeowners with small to medium-sized yards seeking a lightweight and portable solution for efficient yard maintenance tasks.

Pros:

• Lightweight and portable design for easy handling.
• Powerful motor reaching speeds up to 130MPH for efficient debris clearing.
• Includes two 20V rechargeable lithium batteries for extended use.

Cons:

• Limited battery life may require frequent recharging during longer tasks.

BLACK+DECKER Electric Leaf Blower, 7-Amp (LB700)

With its powerful 7 Amp Motor and lightweight design, the BLACK+DECKER LB700 corded blower is an excellent choice for individuals seeking efficient yard work solutions. This blower can move up to 180MPH/180CFM, making leaf and debris cleanup fast and easy.

The built-in cord retention feature prevents interruptions during operation. Weighing only 4.4 pounds, this blower is easy to handle with just one hand, reducing fatigue during prolonged use.

The package includes the LB700 7 amp blower and a blow tube for added versatility. Users have praised its surprising power and affordability, making it a popular choice for various tasks like clearing debris from porches, patios, and driveways.

The BLACK+DECKER LB700 is a top performer in the leaf blower category, offering a 2-year limited warranty for added peace of mind.

Best For: Individuals looking for an affordable and powerful corded leaf blower for efficient yard work.

Pros:

• Powerful blowing performance at 180MPH/180CFM.
• Lightweight design for easy one-handed use.
• Built-in cord retention feature for uninterrupted operation.

Cons:

• Requires an extension cord for operation.

Electric Handheld Cordless Leaf Blower with 2 Batteries (20V 140 CFM)

For those seeking a lightweight and powerful solution for outdoor debris cleanup, the Electric Handheld Cordless Leaf Blower with 2 Batteries (20V 140 CFM) offers convenience and efficiency in yard maintenance tasks.

Weighing only 3.4 lbs, this blower is easy to handle for clearing leaves and debris from driveways, patios, and decks. With two batteries included, it provides up to 100 minutes of runtime on low and 20 minutes on high settings.

The powerful motor delivers speeds of up to 140 CFM and 130 MPH, making it effective for various outdoor cleaning needs. Its simple assembly, one-button start, and portability make it suitable for indoor and outdoor use, from gardens to job sites.

Despite some mixed user reviews, the blower's lightweight design and decent power output make it a versatile tool for quick yard work.

Best For: Homeowners and garden enthusiasts looking for a lightweight and portable leaf blower for quick and efficient outdoor cleaning tasks.

Pros:

• Lightweight design for easy handling and maneuverability.
• Two batteries provide long runtime for extended use.
• Powerful motor with adjustable speed settings for versatile cleaning.

Cons:

• Some users reported issues with battery performance.

EGO Power+ Cordless Leaf Blower with 3-Speed Turbo – LB5302

The EGO Power+ Cordless Leaf Blower with 3-Speed Turbo – LB5302 stands out as a versatile option, offering efficient leaf and debris clearing with its 530 CFM air flow capacity and 110 MPH speed. This handheld blower, powered by a 56-volt battery, features a high-efficiency brushless motor and a variable speed dial that allows for precise control ranging from 260 CFM to 400 CFM.

The turbo button provides a powerful 530 CFM output at up to 110 MPH for tackling tougher tasks. With up to 75 minutes of runtime on a single charge, this blower isn't only lightweight and comfortable to use but also weather-resistant with an IPX4 rating. Users appreciate its reliable performance, positive customer service experiences, and compatibility with other EGO 56V ARC Lithium batteries, making it a top choice for yard work.

Best For: Homeowners and garden enthusiasts looking for a powerful, cordless leaf blower with long-lasting battery life and efficient performance.

Pros:

• High air flow capacity and speed for effective debris clearing.
• Lightweight and comfortable design for extended use.
• Variable speed settings and turbo button for precise control and tougher tasks.

Cons:

• Some users may require a higher capacity battery for heavy-duty use.

Worx WG520 12 Amp TURBINE 600 Electric Leaf Blower

Ideal for those seeking a powerful yet lightweight yard work solution, the Worx WG520 12 Amp TURBINE 600 Electric Leaf Blower offers exceptional performance and ease of use. With its TURBINE FAN TECH, this blower features a jet engine-type motor that delivers speeds twice as fast as professional blowers.

The impressive air volume of 600 CFM and the hyper-stream air nozzle provide concentrated airflow for efficient cleaning. This blower, powered by a 12 Amp motor, can reach speeds of up to 110 MPH, offering gas-like power without the hassle of gasoline side-effects.

Designed for larger lawns, it allows for one-handed operation and requires no tools for assembly. The Worx WG520 is a top-rated choice, boasting a 4.7 out of 5 stars rating from over 11,500 customer reviews.

Best For: Homeowners with larger lawns looking for a powerful and lightweight leaf blower solution.

Pros:

• Powerful 12 Amp motor delivers speeds twice as fast as professional blowers.
• Lightweight and ergonomic design for easy maneuverability.
• No tools required for assembly, allowing for quick and convenient use.

Cons:

• Corded electric power source limits mobility.

Leaf Blower Cordless with Battery Powered, 580CFM/160MPH & 3 Speed Levels

Best suited for those seeking a lightweight yet powerful solution for yard work, the AceSky 8191 Cordless Electric Blower offers impressive performance and convenience. With a powerful motor and axial fan technology delivering 580CFM/160MPH, this blower is efficient at clearing leaves and debris.

The 20V battery provides up to 120 minutes of runtime, ensuring you can tackle your yard work effectively. Weighing only 4.3 lbs and featuring a non-slip ergonomic handle with a shoulder strap, this blower is comfortable to use for extended periods.

The adjustable speed with 3 levels allows for versatility in various tasks. Customers appreciate the convenience of two included batteries and find this blower to be a great value for its performance.

Best For: Those seeking a lightweight yet powerful solution for yard work.

Pros:

• Lightweight design and ergonomic handle for comfortable use
• Powerful motor and axial fan technology for efficient clearing
• Two included batteries for extended runtime

Cons:

• Some noise during operation

Leaf Blower Cordless – 21V Electric Cordless Leaf Blower with 2 Batteries and Charger

For those seeking a lightweight and efficient yard tool, this 21V Electric Cordless Leaf Blower with 2 Batteries and Charger offers a powerful solution.

This leaf blower, manufactured by LAZYBOI, comes with two 21V lithium-ion batteries, providing a total runtime of 40 minutes on low speed and 30 minutes on high speed. Weighing just 3.4 pounds, it features two speed modes (low and high) and turbo technology that generates air speeds of up to 150 MPH.

The overheat protection guarantees battery safety, while the fast 1-hour charging time and LED charging indicator enhance user convenience.

With an ergonomic design for comfortable operation, this cordless leaf blower is ideal for small yards, porches, decks, and various cleaning tasks, making it a valuable addition to any homeowner's tool collection.

Best For: Homeowners looking for a lightweight and efficient cordless leaf blower for small yards and various cleaning tasks.

Pros:

• Lightweight design and ergonomic for comfortable use
• Comes with two batteries for extended runtime
• Offers two speed modes for versatile cleaning options

Cons:

• Limited battery life for continuous use on high speed

Avid Power 20V Cordless Leaf Blower with Two Batteries

With its ultra-lightweight design and dual-speed settings, the Avid Power 20V Cordless Leaf Blower with Two Batteries proves to be a convenient and efficient choice for tackling yard work tasks of varying intensities. This handheld blower by Avid Power, in a stylish blue color, operates on a 20-volt battery, providing a powerful air flow capacity of 450 CFM at a speed of 100 MPH.

Weighing only 4.5 pounds, it features an axial fan design for thorough cleaning and a 2-section tube design for added versatility. Customer reviews praise its performance, durability, and the long-lasting lithium-ion batteries included.

The product warranty and support options further enhance the user experience, making this leaf blower a valuable addition to any yard work arsenal.

Best For: Homeowners looking for a lightweight and powerful leaf blower for various yard work tasks.

Pros:

• Lightweight and ergonomic design for easy handling.
• Dual-speed settings for versatility on different surfaces.
• Comes with two long-lasting lithium-ion batteries for extended use.

Cons:

• May produce high noise levels, requiring ear protection.

K I M O. Cordless Leaf Blower & Vacuum (20V, Lightweight, Handheld)

Ideal for those seeking a lightweight and efficient solution for yard work, the K I M O. Cordless Leaf Blower & Vacuum offers versatile functionality and quick battery charging. With its 2-in-1 design, this 20V cordless blower doubles up as a lightweight mini vacuum, making it a handy tool for various tasks year-round.

The 150 CFM airflow combined with a 20000 RPM speed provides ample power for clearing light yard debris like leaves and twigs. Weighing just 2.2 pounds, this handheld blower is easy to maneuver and operate.

The two included batteries not only extend the run time by 100% but also increase the battery lifespan by 150%. Additionally, the quick 60-minute full charge time ensures minimal downtime, keeping your yard work efficient and hassle-free.

Best For: Those looking for a lightweight and versatile yard tool that offers efficient leaf blowing and vacuuming capabilities.

Pros:

• Lightweight design for easy maneuverability.
• 2-in-1 functionality as a leaf blower and vacuum.
• Quick 60-minute full charge time for minimal downtime.

Cons:

• Some concerns about customer support and product reliability.

Cordless Leaf Blower with 2 Batteries & Charger

When seeking a lightweight and powerful yard work solution, this Cordless Leaf Blower with 2 Batteries & Charger from Aoetree stands out. Weighing only 3.4lbs, this blower offers easy one-handed operation, making it convenient for various outdoor cleaning tasks.

With two rechargeable batteries providing up to 40 minutes of runtime, the powerful copper motor turbine engine offers two adjustable speeds of 60mph and 130mph, catering to different blowing needs. The adjustable blow tube length adds versatility to the blower's usage.

While some users have raised concerns about battery life and performance over time, overall feedback highlights the blower's portability and effectiveness in clearing leaves, pollen, and debris from outdoor spaces.

Best For: Individuals looking for a lightweight and portable leaf blower with reliable power and performance.

Pros:

• Lightweight and compact design for easy maneuverability.
• Powerful copper motor turbine engine for efficient blowing of leaves and debris.
• Adjustable blow tube length adds versatility to outdoor cleaning tasks.

Cons:

• Concerns about battery life and performance over time.

AKOBR Cordless Leaf Blower with 2 Batteries and Charger

For those seeking efficient yard maintenance tools, the AKOBR Cordless Leaf Blower with 2 Batteries and Charger stands out with its powerful brushless motor and extended battery life. This blower comes equipped with 2*6.0Ah Lithium Batteries, offering up to 150 minutes of runtime in low-speed mode, thanks to its axial fan technology that delivers up to 540CFM/170MPH.

With 6 adjustable speeds, including a high-speed mode reaching 170 MPH, this blower provides versatility for various tasks. Weighing only 4.76 lbs, it features a non-slip ergonomic handle and shoulder strap for added comfort during extended use. Additionally, the quick assembly in three steps ensures trouble-free leaf cleaning, making it a convenient and reliable choice for maintaining your yard effortlessly.

Best For: Homeowners looking for a lightweight and powerful cordless leaf blower for efficient yard maintenance.

Pros:

• Extended battery life with 2*6.0Ah Lithium Batteries.
• Versatile with 6 adjustable speeds, including a high-speed mode.
• Lightweight design with ergonomic handle and shoulder strap for comfort.

Cons:

• Concerns about power output for larger properties.

EWORK Cordless Leaf Blower with (2) 3.0Ah Battery and Fast Charger

With its advanced axial fan technology and dual 3.0Ah batteries for extended runtime, the EWORK Cordless Leaf Blower is a top choice for those seeking powerful and efficient yard work tools. This 21V electric leaf blower offers a high airflow capacity of 400 cubic feet per minute, coupled with a maximum speed of 120 miles per hour, making it effective for various tasks.

The included fast charger with overheat and overcharge protection ensures a safe and quick charging process for the two 3.0Ah lithium batteries. The ergonomic design, featuring a non-slip handle and stable placement support, enhances user comfort and control during operation.

Overall, the EWORK Cordless Leaf Blower has garnered positive feedback for its performance, battery life, and ease of use, making it a reliable companion for yard maintenance tasks.

Best For: Homeowners looking for a powerful and efficient cordless leaf blower for their yard maintenance needs.

Pros:

• Advanced axial fan technology for higher airflow
• Dual 3.0Ah lithium batteries for extended working time
• Fast charger with overheat and overcharge protection

Cons:

• Some concerns about warranty duration and customer service

Seyvum Leaf Blower – 580CFM 20V Cordless Blower with Battery & Charger

An ideal choice for individuals seeking a lightweight and user-friendly leaf blower for light yard work is the Seyvum Leaf Blower – 580CFM 20V Cordless Blower with Battery & Charger. This blower features an upgraded powerful copper motor and axial-flow fan technology, ensuring a longer lifespan and lower energy consumption.

With two 4.0Ah large-capacity batteries that offer fast charging, you can work efficiently without interruptions. The portable and ergonomic design, coupled with its lightweight construction, enhances user comfort during operation. Additionally, the blower provides three adjustable speeds to cater to various needs.

Backed by an 18-month warranty and lifetime technical support, the Seyvum Leaf Blower offers reliability and peace of mind for your light-duty yard work and gardening tasks.

Best For: Individuals looking for a lightweight and user-friendly leaf blower for light yard work and gardening tasks.

Pros:

• Upgraded powerful copper motor for longer lifespan and lower energy consumption.
• Two 4.0Ah large-capacity batteries with fast charging.
• Portable and ergonomic design for user comfort during operation.

Cons:

• Some users may find it less powerful than gas blowers.

Factors to Consider When Choosing a Cordless Electric Blower

When selecting a cordless electric blower, it's important to take into account factors like:

• Power and performance
• Battery life
• Portability
• Design
• Speed options
• Noise level

These aspects play a significant role in how effectively and comfortably you can tackle yard work tasks.

Power and Performance

Taking into consideration the air flow capacity (CFM) and speed options (MPH) is crucial to guarantee that the cordless electric blower provides adequate power for your yard work needs. Look for models with brushless motors and axial fan technology for improved performance and durability.

Consider the noise level in decibels (dB) to make sure a comfortable working environment. Check the voltage and battery capacity to confirm sufficient runtime and efficiency.

Seek out blowers with adjustable speed settings and turbo modes for versatility in handling different tasks. Evaluating these factors will help you select a cordless electric blower that offers the power and performance needed to tackle your yard work effectively.

Battery Life

Considering the factors that contribute to peak power and performance in cordless electric blowers, the battery life becomes an important aspect to evaluate when selecting the right tool for yard work. Longer runtimes allow for extended use without frequent recharging, so opting for models with high-capacity batteries is vital for tackling various tasks effectively.

It's important to take into account the charging time needed for the battery to reach full capacity, as quick charging reduces downtime. Look for batteries with overheat protection to guarantee safety during use and prolong the battery's lifespan. Checking for indicators displaying the battery level helps monitor the remaining power and plan tasks accordingly.

Prioritizing a robust battery life ensures uninterrupted yard work with your cordless electric blower.

Portability and Design

Selecting the right cordless electric blower for yard work involves evaluating the important factors of portability and design.

Portability is key for easy maneuvering in tight spaces or across different areas of your property. Opt for a lightweight design to reduce fatigue during extended use and guarantee comfortable operation. Look for ergonomic handles and straps that enhance control and user comfort while operating the blower.

Compact designs are ideal for storage and transportation, enabling easy carrying around your property or in your vehicle. Consider the form factor and dimensions to make sure the blower fits your storage space and is convenient for various tasks.

Prioritizing portability and thoughtful design features can greatly enhance your yard work experience.

Speed Options

Exploring the considerations for a cordless electric blower, the speed options play a pivotal role in tailoring the airflow to different yard tasks. These blowers typically offer multiple settings like low, medium, and high speeds.

The ability to adjust air velocity is important for tasks ranging from light debris clearing to heavy leaf blowing. Higher speed settings provide faster air flow rates, measured in cubic feet per minute (CFM) and miles per hour (MPH). Users can select the appropriate speed based on area size, debris type, and desired cleaning efficiency.

Speed control enhances the versatility and effectiveness of electric cordless leaf blowers, allowing for customized performance suited to specific yard work requirements.

Noise Level

When evaluating cordless electric blowers for yard work, the noise level becomes an important factor in ensuring a peaceful and comfortable outdoor experience. Electric cordless leaf blowers typically range from 64 dB to 76 dB, with noise reduction technology available in some models. Lower noise levels, around 65 dB, are considered quieter and more comfortable for users and nearby residents.

Noise sensitivity is vital in environments like residential areas, schools, or hospitals. Some cordless leaf blowers are designed with noise-dampening features to minimize disruptive sound levels during operation. Opting for a blower with a lower noise level can help maintain a tranquil environment while tackling outdoor cleaning tasks efficiently.

Warranty Coverage

Considering a cordless electric blower for yard work, the warranty coverage plays a significant role in ensuring long-term protection and peace of mind for the buyer. Warranty terms can vary between different electric cordless leaf blowers, with some offering standard periods and others providing extensive options.

It's important to review the warranty details to understand what's covered, such as parts, labor, and repairs. Specific conditions or exclusions may apply, underlining the significance of careful examination. Warranties not only offer assurance regarding product quality but also serve as a safeguard against potential issues that may arise.

User-Friendly Features

Looking for a cordless electric blower for yard work? When considering user-friendly features, opt for a blower with a lightweight and ergonomic design for comfortable handling during extended use. Models with adjustable speed settings provide versatility to tackle various tasks efficiently. Look for convenient features like instant start buttons or easy assembly to streamline your yard work process.

Battery indicators and fast charging times are essential for uninterrupted use and efficient performance. Additionally, choose a cordless blower with noise levels below 70 dB for a quieter operation that won't disturb your surroundings. Prioritizing these user-friendly features will enhance your overall experience and make yard work more manageable.

Versatile Applications

An essential aspect to ponder when choosing a cordless electric blower is its versatility for various applications. Cordless electric blowers are handy tools suitable for tasks like clearing leaves, debris, grass clippings, and dust from outdoor spaces such as yards, gardens, driveways, decks, porches, and even indoor areas. These tools offer flexibility and mobility without the limitations of cords, allowing easy movement around the property.

Ideal for quick clean-ups, cordless blowers provide efficient performance for light to medium-duty tasks. Their lightweight design and ease of operation make them suitable for a range of cleaning and maintenance activities. Whether you need to tidy up your yard or clear debris from hard-to-reach places, a versatile cordless electric blower can be a valuable tool in your arsenal.

Frequently Asked Questions

Can These Cordless Electric Blowers Handle Wet Leaves Effectively?

Yes, cordless electric blowers can handle wet leaves effectively. The design of these blowers allows them to work well in damp conditions without compromising performance.

The powerful airflow generated by these tools can effectively move wet leaves, making yard work easier and quicker. Make sure the blower is rated for wet conditions and follow proper maintenance to keep it working efficiently.

Wet leaves won't be a challenge with a reliable cordless electric blower.

How Long Does the Battery Typically Last on These Blowers?

Typically, these blowers' batteries last around 30 to 60 minutes, depending on the model and usage intensity.

I've found this duration to be important for most yard work tasks, allowing me to efficiently clear leaves and debris without frequent recharging interruptions.

It's essential to take into account battery life when selecting a blower to make sure it aligns with the size of your yard and the workload you anticipate.

Are Replacement Batteries Readily Available for Purchase?

Yes, replacement batteries are readily available for purchase. They can be found at most major hardware stores, online retailers, and directly from the manufacturer's website.

It's important to check the compatibility of the replacement battery with your specific model of cordless electric blower to guarantee peak performance. Additionally, some retailers offer extended warranty options for replacement batteries for added peace of mind.

Can These Blowers Be Used for Other Tasks Besides Leaf Blowing?

Yes, cordless electric blowers can be versatile tools beyond just leaf blowing. They're handy for clearing debris from driveways, patios, and gutters.

Some models even come with attachments for light snow removal. The portability and ease of use make them suitable for various outdoor cleaning tasks, offering a convenient solution for keeping your yard and outdoor spaces tidy throughout the year.

Do These Cordless Blowers Come With a Warranty or Guarantee?

Yes, these cordless blowers typically come with a warranty or guarantee for added peace of mind. I recall when mine unexpectedly stopped working, but thankfully, the warranty covered the repair costs.

Most manufacturers offer warranties ranging from one to five years, ensuring you're covered in case of any issues. Just remember to check the specific terms and conditions of the warranty to understand what it covers and for how long.

Conclusion

To sum up, when selecting a cordless electric blower, it's crucial to take into account factors such as battery life, power output, and ease of use. By choosing a high-quality blower that fits your specific requirements, you can enhance the efficiency and enjoyment of yard work.

Keep in mind, the appropriate tool for the task can make a significant impact, much like a finely-tuned instrument in the hands of a talented musician, bringing harmony to your outdoor space. Make a wise choice for a smooth and productive experience.