ColdBye 𝟏𝟐𝐕 Battery Pack, 5V 𝟐𝟎𝟎𝟎𝟎𝐦𝐀𝐡 /12V 6500mah, Upgraded Rechargeable Power Bank with Built-in USB-C Cable for Heated Vests, Jackets, LED Strip, Breast Pump, Heated Camping Chair

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• 【BUILT-IN USB-C CABLE & MULTI-DEVICE OUTPUT】The integrated USB-C cable doubles as a rugged lanyard tested for 10,000 bends, eliminating the need for extra cords. Power multiple devices simultaneously via USB-A, USB-C PD 18W, and a dedicated 12V DC port—ideal for heated vests, phones, LED strips, breast pumps, cameras and more
• 【UNIVERSAL 12V & 5V COMPATIBILITY】Equipped with USB-A (5V/2A, 5V/3A, 9V/2A, 12V/1.5A), USB-C PD 18W in/out, and a 12V 1.8A DC barrel, plus two adapters (3.8 mm & 5.5 mm). Perfect as a 12V LED-strip battery, CCTV/telescope power supply, heated camping chair power source, or 12V heated vest/jacket pack. Not compatible with 7.4V gear
• 【PD 18W FAST RECHARGE & SAFETY CERTIFIED】Recharge from 0–100% in about 4.6 hours using an 18W PD charger (5.5 h @15W; 8.2 h @10W). UL2056, FCC, CE & RoHS-certified protection guards against overcharge, over-discharge, overheating, and short circuits—providing worry-free power for work, travel, and outdoor use
• 【LONG-LASTING TRUE 20,000 mAh CAPACITY】Built with high-density cells, this 20,000 mAh 12V battery pack keeps heated gear running for up to 8 hours and offers phone/tablet recharges on demand. Perfect for workdays and winter adventures, it delivers reliable all-night power without mid-shift swaps
• 【AUTO-ON CIRCUIT & SMART DIGITAL DISPLAY】The upgraded non-sleep circuit automatically restarts heated vests and jackets—no re-plugging or button pressing needed. A precise 1–100% LED digital display helps you track power levels easily during travel, job sites or cold-weather activities