ColdBye Heated Vest Battery Pack 𝟕.𝟒𝐕 5𝐀 𝟐𝟎𝟎𝟎𝟎𝐦𝐀𝐡, Type-C and USB 5V Output, PD 30W Fast-Charging with 7.4V Tri-Size DC Built-in Ports (3.5 mm / 3.8 mm / 4.0 mm) for Heated Jacket

Specifications

• 【EXCLUSIVE TRI-SIZE DC PORTS – NO ADAPTER NEEDED】 The only 7.4 V heated-gear battery pack with three native DC jacks (3.5 mm, 3.8 mm, 4.0 mm) built directly into the housing. No dangling cables, no adapters to lose—just plug & heat. Compatible with most 7.4 V and 5V heated vests and jackets
• 【FAST PD 30 W RECHARGE & UNIVERSAL CHARGING】Refuel fully in ≈ 2.9 hours via USB-C PD 30 W input (0 → 100 %, charger not included). Supports multiple protocols (PD 3.0, QC 3.0, FCP, SCP) to power everything from heated gear to phones, tablets & cameras
• 【SMART LED DISPLAY – REAL-TIME INSIGHT】Advanced digital readout shows battery percentage (1 % steps), voltage, and current per port. Auto-wake when connected and auto-sleep when idle for optimized energy use. Stay in control of your power at a glance
• 【POWER YOUR GEAR + DEVICES SIMULTANEOUSLY】7.4 V DC output keeps heated apparel running steadily while USB-A and USB-C PD ports fast-charge your phone or tablet up to 30 W combined. Smart power management balances output automatically for maximum efficiency and safety
• 【SAFE & RELIABLE 20000 mAh CAPACITY】High-density Li-poly cells deliver up to 10 hours of 7.4 V heat on low or multiple device charges on the go. Certified by UL2056 / FCC / CE / RoHS with multi-layer protection against over-charge, overheat & short circuits — built for cold-weather safety and performance