ColdBye Ultra-Light Portable 𝟏𝟎𝟎𝟎𝟎𝐦𝐀𝐡 5V 2A/3A 7.4V/3A Heated Vest Battery Pack Compatible with Major Heated Clothing Brands, PD USBA, Type-C and DC Ports

Stay powered and warm anywhere. This 7.4 V 10,000 mAh heated-vest battery pack features triple outputs, fast PD recharge, and a smart LED readout for real-time monitoring. Compact, TSA-safe — your ideal winter companion for work, travel & outdoors.

• 【ULTRA-LIGHT & TRAVEL-READY】 Weighs only 5.9 oz and smaller than most phones (3.7 × 2.5 × 0.71 in). Slip it into any pocket without bulk. TSA-approved for carry-on use — perfect for flights, hiking, camping, or commuting in cold weather
• 【UNIVERSAL 7.4V & 5V COMPATIBILITY】Power your heated vests, jackets, and gloves through a dedicated 7.4 V DC port (fits 3.5 mm & 3.8 mm plugs, plus included 4.0 mm adapter). Dual USB ports (Type-C PD 18 W in/out + USB-A QC) let you charge phones, tablets, and LED gear at the same time. (Not for 12 V/18 V devices.)
• 【SMART TRIPLE OUTPUTS】High-density Li-poly cells deliver steady 7.4 V heat for 3 to 6 hours on most heated gear or ≈ 4 full iPhone 15 charges. USB-C + USB-A share up to 22.5 W, auto-adjusting power per device for fast, safe charging — no switching required
• 【LED READOUT & ADVANCED SAFETY】Professional-grade LED screen shows battery %, voltage & current in real time. Certified by UL2056/FCC/CE/RoHS with multi-layer BMS protection against over-charge, short circuit & overheat. Auto-wake when plugged in, auto-sleep when idle
• 【PD 18W FAST RECHARGE】Get back to full in just ≈ 2.5 hours with a PD 18 W charger (≈ 3 h @ 15 W, ≈ 4 h @ 10 W). Save time between outings and always stay ready for work or adventure. (Type-C PD charger not included.)