Pocket-sized USB rechargeable hand warmer
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Portable hand warmer power bank for cold weather
THERMAIO

Rechargeable Hand Warmer Power Bank – 5000mAh Double-Sided Portable Hand Warmer with 3 Heat Levels, Aluminum Alloy

Regular price $67.50
Stay comfortable during cold-weather activities with a compact rechargeable hand warmer designed to provide portable warmth when you need it. The THERMAIO Rechargeable Hand Warmer combines double-sided heating with a rechargeable 5000mAh battery that can also function as a portable power bank for compatible devices.

With three adjustable heat settings and a compact handheld design, it can be carried in a coat pocket, backpack, handbag, or other small compartment for everyday winter use.

THERMAIO rechargeable 5000mAh hand warmer power bank

Quick Benefits

Double-Sided Heating

The heating design is intended to provide warmth from both sides of the device for convenient handheld use.

5000mAh Power Bank

The rechargeable battery can also provide portable charging for compatible USB devices when additional power is needed.

Compact Design

The handheld form is designed for convenient carrying in a jacket pocket, handbag, backpack, or other compact storage space.

Three Heat Settings

Choose from three temperature levels to adjust the warmth according to the product controls and your comfort preference.

Made for Cold-Weather Activities

Suitable for everyday winter activities such as commuting, walking, camping, hiking, outdoor events, and travel.

Product Overview

Unlike single-use disposable warmers, this rechargeable design can be charged and used again. Its compact form combines portable warmth with the convenience of an integrated power bank.

The aluminum alloy exterior is designed to provide a solid handheld feel while transferring heat across the warming surfaces. The rechargeable battery eliminates the need to purchase a new disposable warmer each time you need portable warmth.

For safe operation, charging, storage, and temperature use, always follow the instructions supplied with the product.

Common Winter Uses

Winter Commuting

Keep portable warmth nearby while waiting for buses, trains, or walking outdoors during colder weather.

Dog Walking

A compact warming device can be convenient during chilly morning or evening walks.

Hiking & Camping

Carry portable warmth for outdoor activities where access to indoor heating may be limited.

Outdoor Events

Useful for spectators and attendees spending extended periods outdoors in cold weather.

Travel

The compact design makes it convenient to carry during winter travel and everyday cold-weather activities.

Everyday Carry

Keep the rechargeable warmer available in a pocket or bag whenever portable warmth may be useful.

Product Features

Double-Sided Heating

Designed to provide warming surfaces on both sides of the device.

Three Heat Settings

  • • Low: approximately 40°C (104°F)
  • • Medium: approximately 50°C (122°F)
  • • High: approximately 60°C (140°F)

Exact operating temperatures should be confirmed against the current manufacturer specification.

5000mAh Rechargeable Battery

Rechargeable battery capacity is listed as 5000mAh and can also support portable charging for compatible devices.

Built-In Protection

The product specification describes protection features for charging and electrical operation. Use the device according to the supplied manufacturer instructions.

Aluminum Alloy Exterior

The product is described as using aluminum alloy together with ABS components. 

Compact & Lightweight

Listed dimensions are approximately 4 × 2.32 × 0.9 inches with a listed weight of approximately 133g. 

THERMAIO portable rechargeable hand warmer

Technical Specifications

Feature Details
Battery Capacity 5000mAh
Heating Levels 3
Heating Type Double-Sided
Charging Time Approximately 5 hours
Runtime Up to approximately 3 hours, depending on setting and conditions
Material Aluminum Alloy + ABS
Input / Output 5V / 1A | 5V / 1.5A
Listed Weight Approximately 133g
Listed Dimensions Approximately 4 × 2.32 × 0.9 inches
Color Silver

Rechargeable vs. Disposable Hand Warmers

Feature Rechargeable Hand Warmer Disposable Hand Warmer
Reusable Yes Typically single-use
Adjustable Heat 3 listed heat levels Varies by product
Rechargeable Battery Yes No
Phone Charging 5000mAh power-bank function Typically not available
Heating Surface Double-sided Varies by product
Power Source Rechargeable battery Single-use warming material
Ongoing Purchase Recharge as needed Requires replacement after use

Designed for Everyday Winter Comfort

A portable hand warmer can be useful whenever you spend time outdoors during colder weather. The THERMAIO design combines warmth and portable charging in one compact device.

Morning Commuters

Convenient portable warmth for colder walks and waits during the daily commute.

Outdoor Workers

Keep a rechargeable warming device nearby during appropriate cold-weather outdoor tasks.

Outdoor Enthusiasts

Suitable for hiking, camping, walking, and other cold-weather recreational activities.

Sports & Events

A compact option for people spending extended periods watching or attending outdoor events.

Travelers

Portable design makes it convenient to carry during cold-weather trips and outdoor travel.

Cold Hands

Provides portable warmth for general cold-weather comfort. It is not intended to diagnose, treat, or prevent any medical condition.

Practical Winter Gift

A rechargeable hand warmer can be a practical gift option for parents, grandparents, college students, commuters, travelers, outdoor enthusiasts, and anyone who spends time outside during colder weather.

Why Shop with THERMAIO?

Secure Checkout
USA Shipping
Responsive Support
Clear Product Details
30-Day Guarantee

Common Questions

Is the hand warmer rechargeable?
Yes. The product is listed with a rechargeable 5000mAh battery. Use the supplied charging cable and follow the manufacturer's charging instructions.
Does it also work as a power bank?
Yes. The product is listed with a power-bank function and 5V / 1.5A output. Actual charging performance can vary depending on the connected device and battery conditions.
How many heat settings does it have?
The product is listed with three heat settings. The listed temperatures are approximately 40°C, 50°C, and 60°C. Please confirm the current manufacturer's specifications before use.
How long does the battery last?
The supplied specification lists up to approximately 3 hours of heating runtime. Actual runtime can vary depending on the selected heat setting, ambient temperature, battery condition, and usage.
How long does it take to charge?
The supplied specification lists approximately 5 hours for charging. Actual charging time can vary depending on the power source and battery condition.
How should I clean it?
Allow the device to cool completely before cleaning. Wipe the exterior with a soft, slightly damp cloth when appropriate. Do not immerse the device in water and do not use harsh cleaning chemicals. Always follow the manufacturer's care instructions.
Is it suitable for people with cold hands?
The product is designed to provide portable warmth during cold-weather activities. It is not intended to diagnose, treat, cure, or prevent any medical condition.
Does it fit in a jacket pocket?
The listed dimensions are approximately 4 × 2.32 × 0.9 inches and the listed weight is approximately 133g. These dimensions should be confirmed against the current manufacturer specification.

Important Safety Information

  • Follow the manufacturer's operating and charging instructions.
  • Do not use the product if the housing, battery, cable, or charging port appears damaged.
  • Do not immerse the device in water.
  • Keep the device away from excessive heat, moisture, and open flames.
  • Do not cover the device in a way that prevents appropriate heat dissipation.
  • Stop using the product if it becomes unusually hot, swollen, damaged, or malfunctions.
  • Keep the device away from children unless the manufacturer specifically states otherwise.
  • Always follow the supplied product manual for charging, storage, and operating instructions.

Stay Warm Wherever Winter Takes You

Portable double-sided heating, three adjustable heat settings, and a rechargeable 5000mAh battery make this hand warmer a convenient option for everyday cold-weather activities.

Shop the Hand Warmer

Product Highlights

Double-sided heating design
5000mAh rechargeable battery
Three adjustable heat settings
Portable power-bank function
Compact handheld design

What's Included

1 × Rechargeable Hand Warmer
1 × USB Charging Cable

THERMAIO USB rechargeable hand warmer

Welcome to THERMAIO

At THERMAIO, we believe everyone deserves to experience everyday comfort through innovative warmth and wellness solutions. Our mission is to provide premium-quality heating and comfort products that help people feel better, stay warmer, and live more comfortably.

Whether you're looking for pain relief, winter essentials, or everyday comfort products, we're committed to delivering reliable solutions that improve your daily life.

Our Mission

Our goal is simple—to make premium warmth and wellness products accessible to everyone. We carefully select products that combine comfort, functionality, and quality, ensuring every purchase delivers real value.

What We Offer

THERMAIO specializes in thoughtfully selected products designed for comfort and well-being, including:

  • Heated therapy and pain relief products
  • Winter comfort essentials
  • Personal wellness accessories
  • Everyday comfort solutions

Every product is chosen with quality, performance, and customer satisfaction in mind.

Quality You Can Trust

We work with carefully selected manufacturing partners who meet our quality standards. Every product is reviewed before being added to our collection, allowing us to offer reliable products at competitive prices.

Our commitment includes:

  • Premium-quality products
  • Secure and encrypted checkout
  • Honest product descriptions
  • Fair and transparent pricing
  • Responsive customer support

Shipping & Delivery

We proudly serve customers across the United States with reliable shipping. Our products are sourced from trusted international manufacturing partners to bring you the best quality at the best price, so standard delivery takes 7–12 business days from the date your order is processed. Delivery times may vary depending on product availability and destination, but we always strive to process and ship orders as quickly as possible.

Customer Satisfaction

Your satisfaction is at the heart of everything we do. From browsing our store to receiving your order, we aim to provide a smooth, secure, and enjoyable shopping experience.

If you have any questions before or after your purchase, our dedicated support team is always happy to help.

Thank You for Choosing THERMAIO

We're honored to be part of your wellness journey. Thank you for trusting THERMAIO as your destination for premium warmth and comfort.

Warmth That Comforts. Quality That Lasts. ❤️

Thank you for choosing THERMAIO.

We are committed to providing a secure, convenient, and transparent payment experience for every customer. All payments made through our website are protected using trusted payment technology to ensure your personal information remains safe.


Accepted Payment Methods

We currently accept the following secure payment methods:

  • Visa
  • Mastercard
  • American Express
  • Discover
  • Shop Pay
  • Apple Pay
  • Google Pay
  • PayPal
  • Amazon Pay
  • Major debit and credit cards
  • Other secure payment options displayed during checkout

All payments are processed securely through trusted third-party payment providers.

All prices are displayed in U.S. Dollars (USD).


Payment Security

Your security is our priority.

To protect your personal and financial information:

  • We do not store your full payment or credit card information on our servers.
  • All transactions are encrypted using industry-standard SSL technology.
  • Payments are processed through secure and trusted payment gateways.
  • Your personal information is handled in accordance with our Privacy Policy.

Order Confirmation

Once your payment has been successfully authorized:

  • You'll receive an order confirmation email containing your order details.
  • Orders are processed only after payment has been successfully verified.

If you don't receive a confirmation email, please check your spam or junk folder before contacting our support team.


Failed or Declined Payments

If your payment cannot be processed:

  • Verify that your billing information is correct.
  • Ensure your payment method has sufficient available funds.
  • Contact your bank or payment provider if necessary.
  • Try another accepted payment method.

THERMAIO is not responsible for delays caused by declined or unsuccessful payment attempts.


Currency

All prices on our website are displayed in United States Dollars (USD).

If you're using a payment method issued in another currency, your bank or payment provider may apply currency conversion rates or additional transaction fees.


Billing Information

To help prevent delays, customers must provide accurate billing information during checkout.

Incorrect or incomplete billing details may result in:

  • Payment authorization failure
  • Order delays
  • Order cancellation

Fraud Prevention

To protect both our customers and our business, THERMAIO reserves the right to:

  • Review orders for potential fraud.
  • Request additional verification when necessary.
  • Cancel or refuse any order suspected of fraudulent or unauthorized payment activity.

Contact Us

If you have any questions regarding payments or billing, our customer support team is here to help.

Email: support@thermaio.com

Phone: +1 323 451 5170

Business Hours: Monday – Friday, 9:00 AM – 5:00 PM EST

Business Address:
10385 San Sevaine Way, Suite B
Jurupa Valley, CA 91752
United States

We aim to respond to all inquiries within 24–48 business hours.


Thank you for choosing THERMAIO.

Warmth That Comforts. Quality That Lasts.

Fast & Reliable Delivery Across the United States

Thank you for shopping with THERMAIO. We're committed to delivering your order safely, quickly, and reliably. This Shipping Policy explains how we process, ship, and deliver our premium warmth and wellness products throughout the United States.


Order Processing Time

We work hard to prepare your order as quickly as possible.

  • Processing Time: 1–3 business days (excluding weekends and holidays)
  • Order Confirmation: Once your order is processed, you'll receive an email confirmation with your shipping details.
  • Busy Seasons: During holidays, sales events, or periods of high demand, processing may take slightly longer.
  • Sourcing & Delivery: Our products are sourced from trusted international manufacturing partners to bring you the best quality at the best price. As a result, standard delivery takes 7–12 business days from the date your order is processed.

Shipping Locations

Where We Ship

Currently, THERMAIO ships exclusively within the United States.

If you are located outside the U.S. and have questions about future availability, please contact our customer support team.


Estimated Delivery Time

Standard Shipping

7–12 business days

Please note that delivery times are estimates and may vary depending on your location, carrier operations, weather conditions, or other unforeseen circumstances.


Shipping Costs

We believe in simple and transparent shipping rates.

  • Standard Shipping (7–12 Business Days): Flat rate of $4.99 for all orders within the USA.
  • FREE Shipping: Enjoy FREE Standard Shipping on all orders over $99.00 within the United States.

No promo code is required—free shipping is automatically applied during checkout.


Order Tracking

Track Your Order

Once your order has been shipped, you'll receive an email containing your tracking number.

You can use this tracking number to monitor your package throughout the delivery process.

If you haven't received tracking information within 5 business days after placing your order, please contact our support team.


Incorrect Shipping Address

Please ensure your shipping address is accurate before completing your purchase.

THERMAIO is not responsible for:

  • Delays caused by incorrect or incomplete shipping information
  • Orders delivered to an incorrectly entered address

If you notice an address error immediately after placing your order, contact us as soon as possible and we'll do our best to update it before shipment.


Damaged or Lost Packages

Damaged Items

If your order arrives damaged:

  1. Take clear photos of the product and packaging.
  2. Contact us within 48 hours of delivery.
  3. Include your order number and photos so we can resolve the issue quickly.

Lost Packages

If your package appears delayed beyond the estimated delivery window:

  • Check your tracking information first.
  • Contact the shipping carrier for updates.
  • If you still need assistance, our support team will gladly help investigate the shipment.

Split Shipments

Some orders may arrive in multiple packages due to product availability, warehouse locations, or package size.

If your order is shipped separately:

  • You'll receive a separate tracking number for each shipment.
  • This allows available items to arrive sooner instead of waiting for the complete order.

Contact Us

If you have any questions regarding shipping or your order, please contact us.

Email: support@thermaio.com

Phone: +1 323 451 5170

Business Address:
10385 San Sevaine Way, Suite B
Jurupa Valley, CA 91752
United States

We aim to respond to all inquiries within 24–48 business hours.


Our Commitment

At THERMAIO, we're dedicated to providing a smooth, reliable, and transparent shopping experience. From the moment you place your order until it arrives at your door, we're committed to keeping you informed every step of the way.

Thank you for choosing THERMAIO.

Warmth That Comforts. Quality That Lasts.



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