Longzhuo Heated Sleeping Bag for Adults – Waterproof USB 3-Temp System to -20℉ for Cold Weather Camping

Warmth on demand for chilly nights

When the air grows frosty, the Longzhuo Heated Sleeping Bag for Adults brings thoughtful warmth and practical design to outdoor sleep. This sleeping bag concentrates heat where you feel it most, with four heating zones spanning the shoulders, back, hips, and feet to help you settle into a comfortable, undisturbed rest. Powered by a USB 5V/2A source, it’s ready for camping trips, cabin stays, or late-season adventures where a reliable environment matters as much as a good night’s sleep.

The outer shell uses weatherproof 220T polyester, while the lining is a soft, cozy flannel. This combination offers a sturdy exterior against wind and damp, paired with a gentle touch against the skin. A two‑way zipper, an adjustable hood with a drawstring, and cleverly placed battery pockets contribute to a snug fit and easy access to power. The result is a sleep experience that feels both protected and inviting, without any sense of heaviness or bulk.

Three adjustable heating levels for tailored comfort

Three heating modes provide flexible warmth to match indoor and outdoor conditions. Green offers a low setting (104–113°F), blue provides a medium level (113–122°F), and red delivers higher warmth (122–131°F). You can tweak temperatures for comfort as temperatures shift throughout the night—or switch off if you’re warm enough inside a shelter or cabin.

Power, runtime, and portability

With a standard 5V/2A USB power bank, this sleeping bag can sustain warmth for extended periods, up to 24 hours on the lowest setting. The bag weighs about 4.6 lbs and ships with a durable compression sack, making it easy to pack for weekend trips or longer expeditions. Battery pockets keep power banks secure and convenient to reach, so you’re never hunting for a charger in the dark.

Real-world versatility

From high-altitude camps to late-night fishing expeditions or chilly car camping, the design supports a wide range of cold-weather scenarios. The soft lining, snug hood, and heat distribution across key body zones create a comfortable environment that can adapt to changing conditions. While individual warmth results vary with power supply and ambient temperature, the setup offers a practical option for enhanced comfort on outdoor nights.

Key features at a glance

• Rapid heating across four zones for core warmth
• Three adjustable levels (low, medium, high) with easy toggling
• Ultra-soft flannel lining and weatherproof outer fabric
• USB-powered by any 5V/2A power bank with built-in battery pockets
• Lightweight, packable, and included compression sack for travel

Care and after-sales

Designed for reuse and long-term use, with responsive after-sales support to address questions or concerns after delivery.