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20000mAh Heated Vest Battery Pack – 7.4V DC 4.0mm & USB/Type-C Output Compatible with Heated Apparel and Most USB Heated Vest, Up to 13H Heat, LED Display

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Product details

Management number 209151491 Release Date 2026/03/29 List Price US$15.20 Model Number 209151491
Category

The HILLSLTR 20000mAh battery pack is compatible with 7.4V heated apparel featuring a 4.0mm DC connector and most USB-powered heated vests. It provides up to 13 hours (low), 8 hours (medium), and 6 hours (high) of warmth, plus USB/Type-C outputs to charge your devices simultaneously. With an LED percentage display, auto-sleep function, and certified safety, it’s ideal for travel and outdoor use.

  • 【Wide Compatibility – DC 4.0mm & USB Heated Vests】Designed for 7.4V heated apparel with a 4.0mm DC connector, and most USB-powered heated vests, this battery pack offers exceptional versatility. Please confirm your heated gear’s connector type before purchasing to ensure perfect compatibility.
  • 【Massive 20000mAh Capacity – Up to 13 Hours of Heat】Enjoy up to 13 hours of warmth on low, 8 hours on medium, and 6 hours on high settings. Perfect for full-day outdoor adventures, commuting, or work in cold environments, this battery provides dependable heating power to keep you comfortable longer.
  • 【Dual Output for Heated Gear & Devices】Equipped with a DC 4.0mm port for your heated apparel plus USB and Type-C outputs, this battery pack can power your vest while charging smartphones, tablets, or other devices. Stay warm and connected during all your winter activities.
  • 【Precise LED Power Display & Auto-Sleep】The intelligent LED screen shows the remaining battery percentage from 1% to 100% for accurate monitoring. It automatically lights up when in use and enters sleep mode when idle, helping conserve energy and extend heating time.
  • 【Travel-Friendly & Certified Safe】Weighing just 11.8oz, this UL, CE and RoHS certified battery pack is TSA-approved for air travel. Built-in safety systems protect against overcharging, short circuits, and overheating, ensuring reliable performance wherever you go.
Color Black
Voltage 7.4 Volts
Brand Name HILLSLTR
Model Name RTAX-021P
Unit Count 1 Count
Manufacturer Shenzhen R-Tax Technology Co.,Ltd
Number of settings 3
Additional Features 13 Hour Runtime, 20000mah Capacity, Dc Output, Led Display, Usb Type-c Output
Manufacturer Warranty Description 1

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