Thermacell E55 Rechargeable Mosquito Repeller with 20 ft. Protection Zone and 12-Hour Refill

Enjoy patios, poolsides, campsites, and other outdoor spaces with fewer mosquitoes using the Thermacell E55 Rechargeable Mosquito Repeller. Heat-activated technology diffuses a scent-free repellent into the surrounding air to create a protection zone up to 20 ft. across, covering approximately 314 sq. ft.

The built-in lithium-ion battery provides up to 5.5 hours of operation per charge. This starter pack includes one E55 repeller, a 12-hour repellent refill, and a USB charging cable.

Key Features

• Creates a mosquito-protection zone up to 20 ft. across

• Covers approximately 314 sq. ft.

• Reaches maximum protection in about 15 minutes

• Up to 5.5 hours of battery operation per charge

• Includes 12 hours of repellent

• Heat-diffusion technology

• Scent-free operation

• No DEET sprays or lotions applied to skin

• Rechargeable lithium-ion battery

• Compact, portable design

• USB charging cable included

• Compatible 40-hour refills available separately

• Outdoor use only

• Black finish

20 ft. Mosquito-Protection Zone

The E55 releases repellent into the surrounding air to establish a protection area up to 20 ft. across. It is designed for stationary outdoor settings such as patios, decks, campsites, and poolside seating areas.

Protection develops gradually and reaches its maximum level in approximately 15 minutes. Wind, open surroundings, and repeller placement may affect coverage.

Rechargeable 5.5-Hour Battery

A built-in rechargeable lithium-ion battery provides up to 5.5 hours of operation on a full charge. USB charging eliminates the need for disposable fuel cartridges or replaceable operating batteries.

Actual runtime may vary according to battery condition, charging practices, temperature, and use.

Heat-Activated Repellent

The repeller uses controlled heat to diffuse a metofluthrin-based formula into the surrounding area. There is no flame, smoke, or strong fragrance, and users do not need to apply repellent directly to their skin.

Always operate and refill the device according to the product label and manufacturer’s instructions.

Specifications

• Brand: Thermacell

• Model: E-Series E55

• Product type: Rechargeable mosquito repeller

• Color: Black

• Target pest: Mosquitoes

• Application method: Heat diffusion

• Active ingredient: Metofluthrin 5.5%

• Maximum protection zone: Up to 20 ft. across

• Maximum coverage area: Approximately 314 sq. ft.

• Time to maximum protection: Approximately 15 minutes

• Battery type: Rechargeable lithium-ion

• Battery runtime: Up to 5.5 hours per charge

• Included refill duration: 12 hours

• Product form: Diffuser

• Recommended location: Outdoor use only

• Product dimensions: 4.25" H × 3.75" W × 4.25" D

• Product weight: 0.8 lb.

• Package quantity: 1

What’s Included

• One Thermacell E55 rechargeable mosquito repeller

• One 12-hour repellent refill

• One USB charging cable

USB power adapter is not specified as included.

Ideal For

• Patios and decks

• Poolside seating

• Backyard gatherings

• Outdoor dining areas

• Camping

• Picnics

• Porches

• Gardens

• Tailgating

• Other stationary outdoor activities

Why It Stands Out

The Thermacell E55 provides area-based mosquito protection without applying sprays or lotions to the skin. Its rechargeable design, compact housing, scent-free operation, and included 12-hour refill make it a convenient starter option for frequently used outdoor spaces.

Thermacell states that the product is backed by a satisfaction guarantee. Eligibility, returns, replacements, and refunds remain subject to the manufacturer’s current terms.

Use and Safety Information

• For outdoor use only.

• Read and follow the complete pesticide label before use.

• Keep out of reach of children.

• Use only compatible Thermacell refills.

• Do not ingest the refill or allow its contents to contact skin or eyes.

• Do not cover the device or block airflow during operation.

• Keep away from food-preparation surfaces, open flames, and excessive heat.

• Place the repeller on a stable surface in an open outdoor area.

• Wash hands after handling the refill.

• Do not dispose of refill contents in drains, ponds, or waterways.

• Store the device and refills according to the label instructions.

• Although the manufacturer describes the product as permitted for air travel, always confirm current TSA, airline, lithium-battery, refill, and destination regulations before packing it.

Frequently Asked Questions

How large is the protection zone?

The repeller creates a mosquito-protection zone up to 20 ft. across, with a maximum listed coverage area of approximately 314 sq. ft.

How quickly does it start working?

Protection begins building after activation and reaches its maximum level in approximately 15 minutes.

How long does the battery last?

The rechargeable battery provides up to 5.5 hours of operation per full charge.

How much repellent is included?

The starter pack includes a refill providing up to 12 hours of repellent.

Does it use mosquito spray?

No. The device heat-diffuses repellent into the surrounding air, so no lotion or spray is applied to the skin.

Does the product have a scent?

It is designed for scent-free operation.

Can it be used indoors?

No. The E55 is intended for outdoor use only.

Can it be taken on an airplane?

The manufacturer describes it as permitted for air travel, but transportation rules may change. Confirm current requirements with the TSA, airline, and destination authorities before traveling, especially for the lithium-ion battery and repellent refill.