Do repellent mats come with this device?

No, regulatory restrictions prevent shipping active repellent mats with the device. You purchase standard mosquito mats separately, either locally or online. The heating chamber fits one 34×48mm mat or one to two 35×22mm mats, and it accommodates slight size variations.

How long does a single mat last once heated?

Mat lifespan depends on the specific repellent brand and formulation you choose. Most standard mats last several hours per pad. The device's OLED screen tracks battery runtime, but you monitor mat condition yourself and replace pads as needed.

Can I charge my phone while the repeller is running?

Yes, the 12000mAh battery cartridge functions as a USB-C power bank simultaneously. You can heat repellent mats and charge devices at the same time, though doing both will reduce total runtime before the battery needs recharging.

Does the ultrasonic feature work on all insects?

The 40kHz ultrasonic function is an optional supplemental feature. Scientific evidence for ultrasonic pest repellers is mixed, and effectiveness varies widely by insect species and environment. The primary repellent action comes from heating the mats you supply.

Can I use this indoors?

The device is designed for outdoor use where ventilation disperses heated repellent compounds safely. Indoor use depends on the specific repellent mat formulation and your space's ventilation. Check the instructions on any mats you purchase for indoor safety guidance.

Nitecore EMR25 Multipurpose 3-in-1 Mosquito Repeller with Ultrasonic function

Refillable
rechargeable

The 3-second version

Heats standard repellent mats for up to 16 feet of coverage
12000mAh battery runs 12 hours and charges USB-C devices
OLED screen displays runtime, mode, battery, and charging status
Repellent mats sold separately
Effectiveness varies by local mosquito species
Heating element draws significant battery power

Why it's on GiftsFeed

Rechargeable Mosquito Repeller with Heating Pad System and Power Bank

Most battery-powered mosquito solutions force you to choose between spatial repellents that drain phone batteries and sprays that require reapplication every few hours. This device heats standard repellent mats you control and source yourself, while its 12000mAh cartridge keeps your headlamp and GPS alive through multi-day trips.

The replaceable battery design matters more than it seems. When the cartridge dies at camp, you swap in a spare and keep both repellent and charging capability live, instead of waiting hours tethered to a solar panel. That separation of heating function and power storage makes this practical for anyone who spends consecutive nights outside and can't afford downtime for either mosquito protection or device charging.

Good gift when

Campers who need mosquito protection and phone charging in one device
People who prefer heated mat systems over sprays or lotions
Outdoor cooks and gardeners working in one spot for hours
Anyone wanting replaceable battery power for multi-day trips

Skip it if You need a solution that includes repellent mats or want immediate out-of-box protection without sourcing consumables separately, since active pads are not included due to regulatory restrictions.

Specs

Battery Capacity: 12000mAh replaceable cartridge
Runtime: Up to 12 hours on full charge
Coverage Area: 16 feet (High mode), 11 feet (Low mode)
Ultrasonic Frequency: 40kHz (optional)
Mat Compatibility: One 34×48mm or one to two 35×22mm mats
Weight: 10.41 oz with battery
Power Input/Output: USB-C with two-way fast charging
Display: OLED screen
Mounting: Built-in clip for belt or bag

What's included

EMR25 mosquito repeller device
12000mAh battery cartridge
USB-C charging cable

If you're giving it

No sizing to guess

Recipient must purchase repellent mats separately, which may require researching compatible products.

The details

This rechargeable repeller heats standard mosquito mats to create a protected zone without sprays or liquid refills. The heating element warms compatible pads you supply separately, releasing active ingredients into the air around your campsite, patio, or workspace.

Two power settings adjust your coverage area. High mode protects a zone up to 16 feet across, while low mode covers 11 feet and extends battery life. An optional 40kHz ultrasonic function runs simultaneously if you want additional deterrent methods at work.

The replaceable 12000mAh battery cartridge powers the heating system for up to 12 hours on a full charge. That same battery serves as a USB-C power bank for phones, headlamps, and other devices when you need backup power. Two-way fast charging means you can top up the EMR25 and draw power from it at useful speeds.

An OLED screen shows remaining runtime, current power mode, battery percentage, charging activity, and whether the ultrasonic function is active. You see exactly how much protection time you have left before needing to recharge or swap in a fresh battery cartridge.

At 10.41 ounces with the battery installed, it fits in a backpack side pocket or clips to a belt loop using the integrated attachment point. The unit can also run directly from any USB-C power source without the battery cartridge inserted, giving you continuous operation from a solar panel or vehicle adapter.

The heating chamber accepts one 34mm × 48mm mat or one to two smaller 35mm × 22mm mats. It tolerates slight size variations, so most standard repellent pads sold separately will fit. Because regulations prevent shipping active repellent mats with the device, you purchase those locally or online according to your area's availability.

Nitecore

Nitecore EMR25 Multipurpose 3-in-1 Mosquito Repeller with Ultrasonic function

Battery-powered device heats repellent mats for up to 16 feet of coverage, with 12000mAh USB-C charging for phones and gear

$84.95at nitecorestore.com

Quantity

Buy from Nitecore

Ships and sold by Nitecore. About this merchant

The 3-second version

Heats standard repellent mats for up to 16 feet of coverage
12000mAh battery runs 12 hours and charges USB-C devices
OLED screen displays runtime, mode, battery, and charging status
Repellent mats sold separately
Effectiveness varies by local mosquito species
Heating element draws significant battery power

Questions

Do repellent mats come with this device?: No, regulatory restrictions prevent shipping active repellent mats with the device. You purchase standard mosquito mats separately, either locally or online. The heating chamber fits one 34×48mm mat or one to two 35×22mm mats, and it accommodates slight size variations.
How long does a single mat last once heated?: Mat lifespan depends on the specific repellent brand and formulation you choose. Most standard mats last several hours per pad. The device's OLED screen tracks battery runtime, but you monitor mat condition yourself and replace pads as needed.
Can I charge my phone while the repeller is running?: Yes, the 12000mAh battery cartridge functions as a USB-C power bank simultaneously. You can heat repellent mats and charge devices at the same time, though doing both will reduce total runtime before the battery needs recharging.
Does the ultrasonic feature work on all insects?: The 40kHz ultrasonic function is an optional supplemental feature. Scientific evidence for ultrasonic pest repellers is mixed, and effectiveness varies widely by insect species and environment. The primary repellent action comes from heating the mats you supply.
Can I use this indoors?: The device is designed for outdoor use where ventilation disperses heated repellent compounds safely. Indoor use depends on the specific repellent mat formulation and your space's ventilation. Check the instructions on any mats you purchase for indoor safety guidance.