Battery operated diffusers are compact and spread essential oils into the atmosphere without using electrical outlets. Because they are so easy to use and can be taken anywhere, these portable devices have become increasingly popular with aromatherapy lovers.
Battery operated diffusers differ from regular plug-in diffusers because they let users enjoy aromatherapy benefits anywhere—at home, at work, or while traveling. Selecting the most appropriate battery operated essential oil diffuser improves the aromatherapy experience, even in small places.
The ten best battery operated diffusers below will help you find an ideal diffuser with features that suit your needs and preferences.
Key Takeaways:
- Battery-operated diffusers are portable and can be easily carried anywhere, even used across several places. They can bring aromatherapy advantages into your home or office or while on travel.
- There are two major types of battery-operated diffusers: nebulizing and ultrasonic. Nebulizing diffusers use only pure essential oils, giving them a stronger smell. In contrast, ultrasonic diffusers mix water with oils and are usually quieter.
- Key features of a battery-operated diffuser might be tank capacity, mist output modes, size, battery life, and ease of use and maintenance.
- Some battery operated diffusers also have adjustable mist levels, timer functions, and even color light options.
- Regular cleaning and good maintenance are very important for the best performance and longer life of battery operated diffusers.
How Battery Operated Diffusers Work?
Battery operated diffusers allow the oils to be diffused in several ways.
Ultrasonic Diffuser Technology
This technology creates a light mist, a product of the agitation of water with ultrasonic vibrations and an essential oil, which is diffused and released into the air to perfume it delicately.
Nebulizing Diffuser Technology
This is a simple yet effective method. These models don’t require water. Instead, they operate on an air pump that atomizes pure essential oils into fine particles. The nebulizing technology delivers a more potent fragrance, dispersing the oils in their purest form.
Comparison with Traditional Plug-In Diffusers
Specific differences are noticeable between battery-operated diffusers and the traditional plug-in models.
- Portability: The battery operated types have great portability. They can be placed anywhere with no need for the location of an electric supply.
- Flexibility: Can be used in many places, including the home, in the car, or even when going out since they do not have cords.
- Power Source: Conventional plug-in diffusers draw their power directly from an electrical outlet. In contrast, battery-operated diffusers are powered by rechargeable or disposable batteries, offering a more flexible power source.
Battery operated diffusers are flexible and decent for spreading essential oils. Whether one is fond of nebulizing or ultrasonic technology, these appliances permit aromatherapy benefits from anywhere.
Benefits of Using Battery Operated Diffusers for Aromatherapy
Battery operated diffusers offer numerous aromatherapy benefits that cater to modern lifestyle needs. One of the primary advantages is their portability. These compact devices can be effortlessly carried and used in various settings:
- Homes: Ideal for small spaces like bedrooms, bathrooms, and living rooms.
- Offices: Enhance your workspace with soothing aromas without needing an electrical outlet.
- Cars: Perfect for long drives, ensuring a pleasant and refreshing environment.
Most battery operated diffusers are quiet, always on, and can fit in many corners and hidden places. This diffuser helps in small spaces at home or in the office, where a light smell is always better than a strong one.
Flexible Usage
Unlike other plug-in diffusers, a battery-operated diffuser makes this device much more accessible to enjoy scents inside or outside your home without worrying about finding an available plug. It’s easy to move the diffuser to any room outdoors.
- No Need for Electrical Outlets: Place anywhere, including areas without easy access to power.
- Adjustable Mist Settings: Control the intensity of a fragrance that is most pleasing to you.
- Rechargeable Options: Most of the variants pack in rechargeable batteries to lessen dependency on the use of disposables.
These battery operated diffusers are portable, low-noise, and can be placed anywhere, thus extending the reach of aromatherapy.
Types of Battery Operated Diffusers
Understanding all the different types of battery-operated diffusers will help you make the best choice. These diffusers have many designs and features that meet your preferences.
Waterless Diffusers
Some battery operated diffusers are designed to operate without water, ensuring a more concentrated aroma. Battery operated waterless diffusers are often compact, less messy, don’t need water, and are ideal for use in cars, small rooms, and offices.
Rechargeable Battery Diffusers
Modern battery-operated diffusers frequently come with rechargeable batteries. This feature allows users to power the battery via USB, offering several advantages:
- Convenient for frequent use
- Reduces the need for disposable batteries
- Eco-friendly option
Mini Travel Diffusers
Specifically designed for portability, mini travel diffusers are perfect companions for on-the-go and outdoor aromatherapy. Key characteristics include:
- Small size that easily fits into bags
- Powered by batteries or USB
- Ideal for use in hotels or cars
Multi-Purpose Diffusers
For those seeking versatility, multi-purpose diffusers offer multiple power options. They can be used with:
- Batteries
- USB connections
- Electrical outlets
This flexibility of battery operated diffusers makes them suitable for different places, from home to outdoor activities.
Each has unique benefits for different lifestyles and needs; whether you are seeking something easy to bring, handy, or flexible, there is a just-for-you battery-operated diffuser out there to fit your aromatherapy anywhere.
Key Features to Consider When Choosing a Battery Operated Diffuser
When buying a battery-powered diffuser, consider a few features to make a reasonable and appropriate decision before purchasing.
Tank Capacity
The capacity of the diffuser tank directly relates to how often it can run before needing liquid refills. Smaller tanks are more difficult to refill continually, while bigger ones allow more extended use but can make the device overall larger.
- For short-term use or travels, a smaller tank may be enough.
- Larger tanks are better suited for home or office settings where consistent fragrance is desired.
Mist Output Modes
Many diffusers offer different mist output modes:
- Intermittent Mode: The diffuser releases mist in intervals (e.g., 30 seconds on, 30 seconds off), conserving essential oil and battery life.
- Continuous Mode: This mode provides a constant stream of mist, which can quickly fill a space with fragrance but uses more oil and power.
Intermittent mode is ideal for prolonged sessions without frequent refills. Continuous mode benefits those who need immediate and intense aroma diffusion.
Ultrasonic vs. Nebulizing Technology
- Ultrasonic Technology: This technology uses water and essential oil to create a fine mist, adding humidity to the atmosphere. It is marketed as quiet and an added humidifier, but it is simply another way of mixing the essential oil with water.
- Nebulizing Technology, on the other hand, operates without water. It uses an air pump mechanism to disperse undiluted essential oils, producing a more potent aroma.
Ultrasonic diffusers are typically easier to clean because they have fewer parts. Nebulizers require regular cleaning so the oil will not build up and will have better oil diffusion.
Size of Diffuser
The size also physically affects where the diffuser is portable and can be used. Smaller models are perfect for working in small areas, like inside cars or an office, but may have shorter service lives since their batteries are smaller.
Larger diffusers also take larger batteries, which last longer between recharging or replacing them. Buy according to where and how long the diffuser will be used.
Oil Compatibility for Waterless Diffusers
Not all essential oils are suitable for nebulizing diffusers due to their viscosity or potential residue buildup. Ensure compatibility with your preferred oils before purchasing.
High-quality, pure essential oils work best in nebulizing diffusers, reducing the risk of clogging and maintaining optimal performance.
Ease of Use and Maintenance
Look for features like easy-to-open reservoirs, simple controls, and clear instructions to make it less hassle.
Cleaning will be very important, particularly for nebulizing models that may build up oil residue after several uses. Look for a model with parts that are easier to access when cleaning.
So consider those key features: mist output modes, technological differences in size, oil compatibility, and ease of use when finding a fit for your lifestyle within a battery-operated diffuser that works seriously to enhance your aromatherapy.
The 10 Best Battery Operated Diffusers
We handpicked the ten best battery operated diffusers, some of which have built-in rechargeable batteries. This makes them convenient to take along on travel, use in the office, or use at home while enjoying cord- or plug-free hassles.
The Velnue Waterless Nebulizing Essential Oil Diffuser offers a powerful and portable solution for those seeking an undiluted aromatherapy experience. Its unique design and high-quality build make it a standout choice among battery-operated diffusers.
Key Features
- Unique Waterless Design: Velnue’s battery operated waterless nebulizing essential oil diffuser is distinctive in that it does not use water, making the scent much stronger and more effective.
- Pure, Undiluted Aroma: This nebulizing diffuser uses no water, so the scent from the essential oil is very strong and pure.
- Portability: It has been designed to be portable and can be of great use in large rooms or on the go. Traveling, working at your desk, or moving around your home—all perfectly doable with the Velnue diffuser.
Velnue Waterless Nebulizing Essential Oil Diffuser – Battery Operated & Portable
Cordless Diffuser for Large Room Aromatherapy | Wireless Nebulizer & USB Rechargeable | Model: Cove (Ceramic Cream)
PROS
- High Potency: Customers appreciate the potent aroma due to the waterless design.
- Rechargeable: The USB rechargeable feature is highly praised for its convenience.
- Aesthetic Appeal: The ceramic cream finish is often considered a stylish home decor addition.
- Versatile Use: Many users highlight its versatility in different settings – from homes to offices.
CONS
- Battery Life: While the diffuser is rechargeable, the battery life might be shorter than expected when used continuously.
- Noise Level: The nebulizing function can be slightly noisier than ultrasonic diffusers.
The Velnue battery operated waterless nebulizing essential oil diffuser is known for its impressive performance. Many have commented on the firm and long-lasting aroma it produces, surpassing their expectations for a battery-operated device.
The Airversa Waterless Diffuser is a versatile, sleek, battery-operated diffuser designed for homes, offices, and cars. The device can fit very well into compact spots without losing the effect of giving potent aromatherapy benefits because of its small size.
Key Features
- Advanced Nebulizing Technology: This mini scent air machine utilizes cutting-edge nebulizing technology to disperse essential oils without water, ensuring maximum aroma concentration and therapeutic benefits.
- Customizable Mist Levels and Modes:
- 1H, 2H, 3H Modes: Users can select from time-specific modes to control the diffusion duration.
- Continuous Mode: Ideal for those who prefer a consistent aroma throughout the day.
- Three Mist Levels: Adjust the intensity of the mist to match your preference or room size.
- Waterless Design: It works great, especially for busy people, as one only needs to refill it with water occasionally. It’s convenient and travel-friendly for anyone who wants to have some good aromatherapy without any hassle at all.
Airversa Waterless Diffuser for Essential Oil Nebulizer Battery Operated Mini Scent Air Machine
Aromatherapy Atomizing Diffuser 1/2/3H/Continous Mode 3 Mist Level for Home Room Cars Office AN6 Black
PROS
- Portability: Highly portable due to its battery-operated nature and compact size.
- Ease of Use: Simple operation with intuitive controls.
- Versatility: Suitable for various settings, from home to car.
CONS
- Battery Life: Frequent use might require more frequent battery replacements or recharging.
- Noise Level: Other finds that the diffuser produces a slight noise during operation.
Efficiency in small areas denotes compactness that does not compromise its performance. It was made purposely for use in places with minimal space, yet the smell is still strong. It can be used in cars, small offices, and small rooms.
The biggest highlight of the Clearlight Infrared Saunas Essential Oil Diffuser is that it is entirely battery-operated, fully portable, and has advanced ultrasonic technology. It is also effortless to use, as it is one of the best battery-operated diffusers.
Key Features
- Battery-Operated Ultrasonic Aromatherapy Device: This ultrasonic diffuser utilizes advanced technology to effectively disperse essential oils, ensuring a consistent and even aroma distribution.
- 4-Hour Continuous Use: This device can operate continuously for up to four hours, making it ideal for extended relaxation sessions and activities like meditation or yoga.
- Customizable Ambiance: The diffuser includes customizable ambiance options, allowing users to adjust settings to create the perfect atmosphere tailored to their needs.
Clearlight Infrared Saunas Battery Operated Essential Oil Diffuser with Battery
Ultrasonic Aromatherapy Device with 4-Hour Continuous Use – Portable & Customizable Ambiance – Lightweight
PROS
- Portability: Lightweight and easy to carry, making it suitable for various settings.
- Customizable Settings: Offers adjustable ambiance options for personalized use.
- Long-lasting Operation: Provides up to 4 hours of continuous use on a single charge.
CONS
- Battery Life: Frequent charging is necessary if used extensively throughout the day.
- Price Point: Some users find the cost higher than other models but acknowledge that the quality justifies the price.
Most people choose the Clearlight Essential Oi Diffuser because it is portable. One can take it anywhere, from home to the office to cars. Perhaps it is all about this machine operating without constant power consumption, offering the kind of convenience and freedom in aromatherapy many may appreciate.
The Airversa Waterless Essential Oil Diffuser has a sleek, high-end metal finish design that fits any home style. It is not just beauty; it merges fashion and functionality well to create the perfect aromatherapy experience.
Key Features
- 100ml Capacity: This diffuser offers a generous 100ml capacity, ensuring long-lasting fragrance without frequent refills.
- Battery Operated: Its battery-operated nature allows for portability, making it a versatile choice suitable for various settings, from bedrooms to offices.
- Three Mist Settings and Timers: This device offers three distinct mist settings and adjustable timers, allowing you to customize your aromatherapy experience. Whether you prefer a light, intermittent scent, or continuous diffusion, this device covers you.
- Color Light Options: Multiple color light settings enhance your ambiance, adding a visual element to your aromatherapy sessions.
Airversa Waterless Diffuser Essential Oil 100ml Capacity Scent Air Machine for Home
Aromatherapy Nebulizer Premium Metal Battery Operated 3 Mist Settings Timers Color Light AN3 Black
PROS
- Stylish Design: The premium metal finish adds a touch of elegance to any room.
- Portability: Battery operation means you can take it anywhere, ideal for travel or use in various rooms without worrying about power outlets.
- Customization: Three mist settings and timer options provide flexibility when using the diffuser.
CONS
- Price Point: Some users find the cost higher than other models but acknowledge that the quality justifies the price.
- Battery Life: While portable, extended use may require frequent battery changes or recharges depending on usage patterns.
It’s easy to use and less hassle to operate. Many customers like the pungent smell of the waterless nebulizing essential oil diffuser, and they say it works well in small areas like bedrooms and office cubicles.
The ScentBots essential oil diffuser is among those affordable battery operated diffusers through which it is easy and stylish to enjoy aromatherapy at home and even in a car. Portable and working well—that means this battery-operated essential oil diffuser will take place between the best choices of a battery-operated diffuser for small areas.
Key Features
- Waterless Nebulizing Technology: This battery-operated diffuser uses nebulizing technology, which lets you experience the full strength of essential oils without mixing them with water. Because it doesn’t use water, it’s ideal for those who prefer a powerful fragrance.
- Adjustable Mist Levels: This aromatherapy oil diffuser has other mist settings; it can cover up to 800 square feet. It is fantastic at creating a soothing ambiance for any particular room. The types of mists present are low, medium, and high. Depending upon the situation, anyone can quickly move to other perfume mists.
- Battery and USB Power Options: Lightweight and portable, the ScentBots diffuser can easily run through USB or batteries, making it versatile in many settings. It provides flexibility and ease of use for on-desk or in-car applications.
- Timer Functions: Users can opt for timers at 1, 2, or 3 hours and adjust the device accordingly for its on and off timings so that one doesn’t have to monitor it continuously.
ScentBots Essential Oil Diffuser Waterless for Home Aromatherapy Car
Nebulizing Diffuser Battery Operated 5-20ml Mini Scent Air Machine Up to 800 sq.ft. 1,2,3h,Time-Off 3 Mist-Level (AN7 Black)
PROS
- Strong aroma due to waterless nebulizing technology
- Adjustable mist levels
- Portable with dual power options (USB/battery)
- Customizable timer functions
CONS
- Battery life could be longer
- Some users find the initial setup slightly complicated
Its main advantages include its nebulizing technology and capability to cover broad areas. Other main advantages include its portability and two ways it can be powered up. However, some users mentioned that the battery life could be better than not having considered recharging.
One of the best battery-operated diffusers must consider portability, mist output, and ease of use. This JUJSEN Waterless Diffuser, which is unique in both design and functionality.
Key Features
- Four mist levels: Customize your scent experience with adjustable mist outputs.
- Timers ranging from 1 to 6 hours: Set it according to your needs with options for auto-off functionality.
- Battery operated: Enjoy the convenience of a portable diffuser without needing constant plugging.
JUJSEN Waterless Diffuser for Essential Oil, Aromatherapy Diffusers for Home
Nebulizer Air Freshener Diffuser Mini Scent Machine Battery Operated 4 Mist Level 1/2/3/4/6H Timers Auto-off for Car Bedroom Hotel
PROS
- Portability: Easily transportable due to its compact and lightweight design.
- Customization: Multiple mist levels and timer settings cater to individual preferences.
- Ease of use: Waterless design simplifies maintenance and operation.
CONS
- Battery life: Some users report that frequent use may require regular recharging.
- Noise level: A few customers mention a slight noise during operation.
Users appreciate the JUJSEN Waterless Battery-Operated diffuser’s compact size and powerful mist. It offers customizable mist settings for a personalized experience and includes a convenient timer function. However, some users found the initial setup to be quite challenging.
The ANSIBLE essential oil diffuser is designed to provide powerful aromatherapy for large rooms, covering up to 600 square feet. Using the most advanced nebulizing technology, this battery-operated cordless nebulizer disperses undiluted essential oils without water so you can savor the full potency of your favorite scents.
Key Features
- Waterless Operation: Enjoy the benefits of essential oils without the hassle of refilling water.
- Sleek Design: The stylish white finish makes it a functional and aesthetic addition to any room.
- Large Coverage Area: For being portable it is suitable for spaces up to 600 square feet, ideal for living rooms and oversized bedrooms.
ANSIBLE Diffusers for Essential Oils Large Room
Waterless Diffuser, Battery Operated Cordless Nebulizer, Fits 600 Square Feet, White
PROS
- Effective not only in small but also in large spaces
- Simple operation with no water required
- Attractive design that complements home decor
CONS
- Higher price point compared to smaller models
- Some users report 2000mAh battery life is short compared to others with 4000mAh
This experience represents the spreading of scents by the diffuser ANSIBLE and how user-friendly it is. Many customers like it because it is portable and doesn’t require water, meaning the smell will be more pungent.
The Scentcares Waterless Diffuser Essential Oil is a beneficial, conveniently carried aromatherapy portable device that can be easily used in your house, car, or office.
Key Features
- Nebulizer Technology: This battery-operated diffuser utilizes nebulizer technology, dispersing essential oils in a fine mist, ensuring maximum scent diffusion without needing water.
- Adjustable Timer Settings: This aromatherapy nebulizer has adjustable timer settings of 1, 2, or 3 hours, allowing you to customize your scent experience to suit your preferences and environment.
Scentcares Waterless Diffuser Essential Oil, Aromatherapy Nebulizer
Battery Operated for 3 Cold Mist & Timer 1/2/3H Scent Air Machine for Home, Car, Office Scentcares (White)
PROS
- Portability: Its compact and lightweight design makes it easy to move between locations, such as home, car, or office.
- Waterless Operation: Eliminates the need to refill with water, simplifying maintenance.
- Customizable Settings: Timer options allow for tailored aromatherapy sessions.
CONS
- Battery Life: Some users report shorter battery life compared to other models.
- Noise Level: A few customers mention that the device can be slightly noisy during operation.
It works excellent in spreading the strong scent of what is inside through the Scentcares battery-operated diffuser. It is practical; users like it when inside the car to create a relaxed feeling without water.
Sweetmyes Waterless Essential Oil Diffuser is among the best diffuser models that work on batteries for small rooms. It is water-free, hassle-free, and best suited for all those people looking for a pure aromatherapy experience. This model has unique features and a practical design, making it one of the best battery-operated diffusers for small spaces.
Key Features
- Three mist levels: Customize the scent diffusion according to your preference.
- Auto-off function: This function ensures safety by automatically turning off after a set period, preventing overuse of essential oils and conserving battery life.
Sweetmyes Waterless Essential Oil Diffuser – Aromatherapy Nebulizer Diffuser
Battery Operated, Portable Scent Air Freshener Machine with 3 Mist Level & Auto Off Function for Home Cars Office (Black)
PROS
- Portability: Its compact design makes it easy to move and use in different locations.
- Ease of use: Simple operation with intuitive controls.
- Battery life: Long-lasting battery that supports extensive use between charges.
CONS
- Noise level: Some users reported that the device can be slightly noisy during operation.
- Battery charging time: A few customers mentioned that charging takes a bit longer than other models in the market.
Many like the Sweetmyes Waterless Essential Oil Diffuser because it is small and portable. It is okay for use at home, in a car, or even in the office environment. Even though some users say that the battery does not last that long compared to other models, this should barely pose a problem for those wanting to use the device for longer. However, since the device is easy to use, many customers prefer this one.
The Levoair Waterless Diffuser uses advanced nebulization technology to provide a strong aroma without water, making it very effective as a Waterless Diffuser for Essential oils. It helps you enjoy the full power of your selected scents.
Key Features
- Battery-operated mini Scent Air Machine: This machine offers portability and convenience, allowing you to enjoy aromatherapy anywhere in your home or office.
- Three Mist Modes: Provides customizable scent diffusion options to adjust the intensity based on personal preference.
- Cycle Start Feature: Designed to automatically cycle through mist modes, covering spaces ranging from 160 to 400 sq. ft.
- Overall Choice
Levoair Waterless Diffuser for Essential Oil Nebulizer Battery Operated
Mini Scent Air Machine, Aromatherapy Atomizing Diffuser, 3 Mist Modes, Cycle Start for Bedroom, Home, Office 160-400 sq. ft Scent Black
PROS
- Portability: Users appreciate its compact size and battery operation, making it easy to move between rooms or take on the go.
- Potent Aroma: The waterless design ensures that essential oils retain their full potency, providing a solid and lasting fragrance.
- Ease of Use: Simple interface with straightforward controls for adjusting mist settings and activating the cycle start feature.
CONS
- Battery Life: Some users have noted that the battery life may be shorter than expected, requiring frequent recharges.
- Noise Level: A few reviews mentioned that the diffuser can be slightly noisy during operation.
One of the top choices for battery-operated diffusers due to its easy-to-carry design and aromatherapy features, this diffuser from Levoair has a relatively short battery life. Even though it has some drawbacks, it is still the top choice due to its affordability, fit for small spaces, and user-friendliness.
How to Use a Battery-Operated Diffuser Effectively?
Choosing the Right Essential Oils
Choose suitable essential oils for a battery-operated diffuser. Every other oil may produce a different effect and ambiance. best lavender essential oils and chamomile work great when one is trying to relax.
Citrus oils, such as lemon and orange, are very refreshing. Ensure that your variety of oils is compatible with your diffuser model.
Regular Cleaning for Optimal Performance
Regularly cleaning your battery-operated diffuser is important due to possible oil residue buildup from essential oils. Cleaning ensures your diffuser’s optimal performance and prolongs its usage. Do these simple cleaning routines:
- Draining the remaining oil in the reservoir.
- Wipe inside with a soft cloth dampened with warm water.
- Let it dry completely before reassembling.
Optimal Placement for Best Results
Place your battery-operated diffuser in a place with good airflow to help the scent spread. Please do not place the diffuser near a vent, window, or any place that has substantial airflow, as this may make it disperse the fragrance relatively fast.
By following these tips, you can get the most out of your battery-operated diffuser and thus create a nice, calm area even in a very small space.
Battery Operated Diffusers FAQs: Your Top Questions Answered
Running time for such a diffuser could greatly vary among brands, models, and, in fact, usage frequency. You will probably get several days up to even weeks of regular usage. Have an extra battery or a power bank to keep using it uninterrupted.
The coverage area may vary according to the model and brand, but such battery-operated diffusers are typically used in small places like bedrooms, offices, and even car interiors. The standard coverage would be around 50 to 200 square feet. Anyone interested should take the room’s dimensions where the diffuser would be used and find one that could fit into it for full fragrance dispersion.
Battery-operated diffusers usually run on an ordinary AA, AAA, or rechargeable battery. Some models require a specific type of battery. In this case, it would be wise to peruse product details or the user’s manual to determine what variety one needs. A good-quality battery makes the diffuser work effectively and last longer.
Generally, it’s safe to use when properly handled, and some manufacturers instruct that little care be taken when handling batteries during replacement or recharging processes. Moreover, it’s generally not recommended to leave a diffuser on for an extended period to avoid accidents caused by overheating.
All battery-operated diffusers are typically designed to function quietly. However, it would be best to carefully check the product description or reviews to ascertain that the model being considered is not too loud during operation.
Numerous such battery-operated diffusers work on rechargeable batteries and become economical while being eco-friendly over time. There are instances where manufacturers may have greener options with inbuilt rechargeable batteries within diffusers or even replaceable rechargeable cells. Choosing such options helps reduce waste from disposable batteries and thus reduces environmental harm.
Takeaway Thoughts
Things to look out for with battery-operated diffusers: On the upside, they are portable and more convenient, but taking care of batteries and instructions by the manufacturer comes into play. Noise levels can be checked to see if it’s peaceful enough for one’s experience. Besides, battery-operated, eco-friendly alternatives with rechargeable batteries or a rechargeable diffuser may reduce waste and further environmental harm.