HearthShell™ Heated Jacket Instruction Manual
Thank you for choosing Hand Hearth. This guide will help you get the most out of your HearthShell™ Heated Jacket, from setup and charging to adjusting heat levels, caring for your product, and troubleshooting.
Table Of Contents
Welcome To Your HearthShell™ Heated Jacket
Thank you for purchasing your HearthShell™ Heated Jacket.
At Hand Hearth, we're committed to keeping you warm, comfortable, and confident in every environment.
Before using your new product, please take a few minutes to read this quick start guide. It contains important safety notes, setup instructions, and care tips to help you get the best experience.
Safety First
Please read these safety notes before using your Hand Hearth heated garment:
- Always remove the battery before washing your garment.
- Do not sleep in your heated clothing unattended.
- Keep away from water and flammable materials.
- Do not use if damaged or malfunctioning.
- Only use official Hand Hearth power banks and chargers.
- Not recommended for children, infants, or pets.
What’s In The Box
Here's everything you'll find when unboxing your HearthShell™ Heated Jacket:
- 1 × HearthShell™ Heated Jacket
- 1 × Quick Start Guide (digital via QR code)
Product Overview
Your HearthShell™ Heated Jacket combines lightweight insulation with advanced heating technology to deliver fast, customizable warmth in cold conditions.
- 21 Integrated Heating Zones: Mapped across arms, chest, back, and shoulders for full upper-body coverage.
- One-Touch Chest Button: 3 adjustable heat levels: Low (25°C / 77°F), Medium (35°C / 95°F), High (45°C / 113°F).
- All-Day Runtime: Up to 10 hours when paired with a 10,000mAh power bank (conditions and settings may affect results).
- Lightweight & Insulated: Construction keeps you warm even when the heat is off.
- Layer-Friendly Fit: Regular fit with secure zip pockets and a discreet battery pocket.
Charging The Battery
Your HearthShell™ Heated Jacket requires a USB power bank to operate. Please follow the guidance below:
If You Purchased a Hand Hearth Power Bank
- Connect the USB-C charging cable to the power bank.
- Plug the other end into a wall adapter, laptop, or USB port.
- The LED indicators will show charging progress. Charging is complete when all LEDs remain solid.
If You're Using Your Own Power Bank
- Output: Must be 5V/2.4A minimum.
- Capacity: 5,000mAh or higher recommended for optimal runtime.
- Connection: USB-A or USB-C (via the included vest cable).
- Safety: For performance and safety, only use CE/FCC-certified power banks.
For best performance, we recommend using official Hearthcell power banks.
Powering On & Heat Settings
Follow these steps to switch on your HearthShell™ Heated Jacket and adjust the temperature:
- Connect your charged power bank to the cable inside the pocket.
- Press and hold the chest power button for 3 seconds to switch on.
- Tap the button once to cycle through the heat levels (Low, Medium, High).
- Press and hold for 3 seconds to power off.
Care & Maintenance
With proper care, your
HearthShell™ Heated Jacket
will deliver reliable warmth season after season.
Washing Instructions
- Always disconnect and remove the power bank prior to washing.
- Machine wash at 30°C (cold) on a gentle cycle.
- Use mild detergent. Do not bleach.
- Air dry only. Do not iron or dry clean.
Storage Instructions
- Ensure both the garment and battery are completely dry before storing.
- Store in a cool, dry place away from direct sunlight.
- Disconnect and store the power bank separately. Charge to ~50% every 3 months during seasonal storage.
Troubleshooting
Jacket Not Heating
- Jacket not switched on: Press and hold the chest power button for 3 seconds.
- Power bank not switched on: Press the power bank button to activate output.
- Battery not connected properly: Ensure cable is firmly plugged into the battery pocket and battery.
- Battery empty/dead: Fully recharge before use.
- Cable loose/damaged: Try another cable if available.
- Faulty heating panel: Contact support for replacement.
Power Button Not Lighting
- Button not held long enough: Press and hold for 3 full seconds.
- Battery flat: Recharge battery fully.
- Connection issue: Reconnect cable, check port for debris.
- Faulty power button: Contact support if still not working.
Uneven or Weak Heating
- Jacket too loose: Ensure a snug fit so heating zones contact your body.
- Garment folded/creased: Smooth out folds to avoid blocked heat flow.
- Battery low: Recharge battery fully.
- Too many outer layers: Use medium/high heat when wearing heavy coats over the jacket.
- Extreme cold conditions: Keep the battery warm in an inner pocket.
Battery Not Charging
- Faulty/incompatible charging cable: Try another USB cable or adapter.
- Dust/debris in port: Clean port carefully before charging.
- Battery end-of-life: Contact support for replacement battery.
Battery Drains Too Quickly
- Using high heat continuously: Switch to medium/low for longer runtime.
- Battery not fully charged: Charge to 100% before use.
- Cold weather: Keep battery in inner pocket to preserve performance.
Flashing Lights / Unusual Behavior
- Safety cut-off triggered: Disconnect battery, let it cool for 15 minutes, then reconnect.
- Fault detected: If problem continues, contact support.
Warranty & Support
All Hand Hearth products are covered by our standard quality guarantee.
- 60-Day Money-Back Guarantee on all items.
- 60-Day Replacement Warranty for manufacturing defects.
How to Claim
To request a replacement or claim under warranty, please provide:
- Your order number
- A brief description of the issue
- Clear photos or videos if possible