20,000mAh Heated Apparel Power Bank – Steady Warmth Anywhere
20,000mAh battery pack delivers stable heat and reliable power with an LED display and compact design—built for winter adventures.
Ultimate Heated Gear Power Bank – Precision Design, Peak Performance
No Extra Cables, No Lost Adapters
Built-in tri-size DC ports (3.5 mm / 3.8 mm / 4.0 mm)—no dangling adapter cables, no clutter, no lost parts. Just plug and play for all major heated vests and jackets.
Real-Time Smart Display
Bright LED screen shows battery level (1 %–100 %), plus real-time voltage and current. Always know exactly how your battery and gear are performing.
Type-C In & Out, PD 30W Fast Charging
Supports PD 3.0 / QC 4.0 / PPS, delivering up to 30 W bidirectional fast charging—3× faster than standard 10 W. Perfect for quick top-ups of your devices or the power bank itself.
Powerful USB-A Output
Provides stable 5 V / 3 A, 9 V / 3 A, 12 V / 2.5 A output. Power smartphones, tablets, and heated apparel simultaneously with steady warmth and dependable energy.
Universal Compatibility for All Your Apple Devices
Power up your iPhone and MacBook Air with one compact power bank. The high-power Type-C output ensures fast, stable charging for laptops, while Type-C ports keep all your Apple devices ready anytime, anywhere—no extra adapters needed.
Consistent Power, No Sudden Drops
Unlike ordinary batteries that weaken fast, this power bank maintains a smooth, steady output from start to finish. Enjoy stable warmth and reliable charging—no sudden shutdowns, even at low battery levels.
Certified Safe, Built for Everyday Reliability
Designed with multi-layer protection against overheating, overcharging, and short-circuiting, this power bank ensures safe, long-lasting performance for all your devices—from heated apparel to laptops and phones, wherever life takes you.
COLDBYE
You worth it.
COLDBYE creates power banks built for heated clothing. With 7.4V DC output, USB/Type-C ports, and reliable performance in the cold, our batteries keep your gear warm for hours. Compact, durable, and travel-ready—stay powered, stay warm, stay outdoors.
How did we get our start?
We started with one goal: reliable warmth for every cold adventure.
What makes our products unique?
Engineered for heated clothing, our power banks feature 7.4V DC output, stable power delivery, wide compatibility, and compact, rugged design—ensuring long-lasting warmth wherever life takes you.
Why do we love what we do?
We love what we do because we help people stay warm, safe, and comfortable during life’s coldest moments—whether at work, in nature, or on the move. Empowering outdoor freedom fuels our passion every day.
20,000mAh Heated Apparel Power Bank – Steady Warmth Anywhere
20,000mAh battery pack delivers stable heat and reliable power with an LED display and compact design—built for winter adventures.
Ultimate Heated Gear Power Bank – Precision Design, Peak Performance
No Extra Cables, No Lost Adapters
Built-in tri-size DC ports (3.5 mm / 3.8 mm / 4.0 mm)—no dangling adapter cables, no clutter, no lost parts. Just plug and play for all major heated vests and jackets.
Real-Time Smart Display
Bright LED screen shows battery level (1 %–100 %), plus real-time voltage and current. Always know exactly how your battery and gear are performing.
Type-C In & Out, PD 30W Fast Charging
Supports PD 3.0 / QC 4.0 / PPS, delivering up to 30 W bidirectional fast charging—3× faster than standard 10 W. Perfect for quick top-ups of your devices or the power bank itself.
Powerful USB-A Output
Provides stable 5 V / 3 A, 9 V / 3 A, 12 V / 2.5 A output. Power smartphones, tablets, and heated apparel simultaneously with steady warmth and dependable energy.
Universal Compatibility for All Your Apple Devices
Power up your iPhone and MacBook Air with one compact power bank. The high-power Type-C output ensures fast, stable charging for laptops, while Type-C ports keep all your Apple devices ready anytime, anywhere—no extra adapters needed.
Consistent Power, No Sudden Drops
Unlike ordinary batteries that weaken fast, this power bank maintains a smooth, steady output from start to finish. Enjoy stable warmth and reliable charging—no sudden shutdowns, even at low battery levels.
Certified Safe, Built for Everyday Reliability
Designed with multi-layer protection against overheating, overcharging, and short-circuiting, this power bank ensures safe, long-lasting performance for all your devices—from heated apparel to laptops and phones, wherever life takes you.
COLDBYE
You worth it.
COLDBYE creates power banks built for heated clothing. With 7.4V DC output, USB/Type-C ports, and reliable performance in the cold, our batteries keep your gear warm for hours. Compact, durable, and travel-ready—stay powered, stay warm, stay outdoors.
How did we get our start?
We started with one goal: reliable warmth for every cold adventure.
What makes our products unique?
Engineered for heated clothing, our power banks feature 7.4V DC output, stable power delivery, wide compatibility, and compact, rugged design—ensuring long-lasting warmth wherever life takes you.
Why do we love what we do?
We love what we do because we help people stay warm, safe, and comfortable during life’s coldest moments—whether at work, in nature, or on the move. Empowering outdoor freedom fuels our passion every day.