Never Freeze Outdoors Again: Experience All-Night Warmth with the HeatNapi Heated Sleeping Bag
Designed for chilly mountain nights and vehicle camping, the HeatNapi Heated Sleeping Bag combines hollow cotton insulation with intelligent temperature control. Stay blissfully warm for up to 12 hours with universal dual-port charging and modular comfort.
- 3 Intelligent Heat Settings (40°C to 60°C)
- Up to 12 Hours Continuous Overnight Heat Guard
- Detachable 2-in-1 Versatile Design
- Universal USB & Type-C Dual Charging
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Engineered for Extreme Cold Weather: Rest Warm Wherever Your Journey Leads
Triple Heat Modes for Customised Comfort
Easily toggle between 40°C, 50°C, and 60°C with one-touch control. HeatNapi adapts swiftly to autumn chills or sub-zero winter frost, delivering precisely the soothing thermal relief you require.
Long-Lasting 12-Hour Continuous Warmth
Equipped with high-efficiency energy management, HeatNapi keeps you warm through the freezing early hours. Connect seamlessly to any standard power bank or vehicle charger for uninterrupted sleep.
Detachable Modular Flexibility
Spacious enough for luxury solo rest (190+30×150cm) or quickly zipped apart into two independent single bags. Perfect for couples, family camping, or impromptu roadside stops in freezing conditions.
Trusted by over 14,000 outdoor adventurers and winter campers
"The HeatNapi Heated Sleeping Bag solves the most critical challenge of cold-climate expeditions: maintaining core temperature overnight. Its rapid heat dispersion and insulation deliver superb thermal stability."
Arthur Davies, Research Specialist
WHY CHOOSE HEATNAPI
Engineered for Superior Outdoor Warmth, Versatility and Sleep
Every detail built for ultimate winter rest
Smart Heat Regulation
One-touch control lets you choose 40°C, 50°C, or 60°C settings instantly to match dropping evening temperatures with steady, even warmth.
12-Hour Battery Runtime
Optimised thermal efficiency ensures your power bank lasts through the night, preventing sudden cold wake-ups during freezing backcountry mornings.
Dual-Bag Modular
Unzip the spacious king-sized layout into two independent sleeping bags effortlessly whenever you travel with a companion.
Universal Power Support
Equipped with dual USB and Type-C input ports, allowing hassle-free operation with regular portable chargers, vehicle outputs, or solar packs.
Premium Hollow Insulation
High-loft hollow cotton fibres trap ambient heat within the lining while offering lightweight breathability for cloud-like comfort.
Compact Travel Ready
Compresses down neatly into an ultra-portable 28×28×45cm carry sack, fitting effortlessly inside your car boot, campervan, or backpack.
In The Field
What's Included in Your Order
Heated Sleeping Bag
Storage Bag
30-Day Sleep Warmth Guarantee
Try HeatNapi risk-free on your next adventure. If you are not completely satisfied with its soothing warmth and premium comfort, return it within 30 days for a swift, full refund.
Frequently Asked
Everything you need to know
CUSTOMER REVIEWS
What British Campers Are Saying
Liam Jenkins
"Camped in the Peak District at -2°C and stayed toasty all night on setting two. Being able to split it into two bags for solo trips is brilliant. Absolute game-changer."
Verified Buyer
Claire Robinson
"My husband and I used this on a chilly Scottish Highlands trip. It heated up in seconds and plugged straight into our power bank. Best outdoor purchase this year."
Verified Buyer
Mark Fletcher
"I do a lot of winter car camping and usually struggle with cold feet. HeatNapi kept me warm for 10 hours straight. The quality of the stitching and cotton is exceptional."
Verified Buyer