THETHEKU 40000mAh Heated Vest Battery Pack – 5V USB Power Bank for Heated Jackets & iPhone

The THETHEKU 40000mAh Heated Vest Battery Pack is a 5V USB power source designed to energize heated wear while keeping your everyday devices charged. With a generous capacity and an intelligent LED display, you’ll see exactly how much power remains at a glance, helping you plan longer outings and chilly commutes with confidence.

Designed for versatility, this power bank doubles as a dependable energy source for your daily devices. The 5V output is tailored for heated clothing systems, ensuring compatibility with 5V powered jackets, vests, hoodies, and similar gear. A USB-C input and output support modern charging speeds, making it practical for travel, work, and weekend adventures where staying warm and connected matters.

Key features at a glance

• 40000mAh capacity provides extended use for heated wear and smartphones
• 5V USB output specifically suited for heated clothing systems and 5V devices
• Precision LED display shows exact battery level from 1 to 100 percent
• USB-C input and output for streamlined charging of modern devices
• Four built in cables cover common interfaces for convenience
• Built in safety protection chip guards against overvoltage, excessive current, overcharging, and short circuits

• What you get: 40000mAh heated vest battery pack and power bank instruction manual
• 24/7 support available to help with setup, compatibility checks, or questions

Usage guidance and important notes

Note: This is a 5V heated vest battery pack. No DC output, not suitable for 7.4V heated clothing. This helps ensure proper pairing with compatible warmth systems while avoiding voltage mismatches.

For everyday use, you can rely on the built in safety protections and temperature regulation to help keep devices safe during operation. The design aims for stable performance with a comfortable touch, so you can focus on your activities rather than the power level. When you are ready to recharge, the USB-C ports support fast charging for compatible devices, and the included cables cover a broad range of interfaces for convenience in travel, work, and outdoor settings.

Real life scenarios

Imagine a winter commute, a chilly outdoor worksite, or a weekend camping trip where warmth and device power both matter. This battery pack offers a practical option to extend heated wear sessions while keeping phones, tablets, and other USB devices ready to go.

Safety and support

Built in protective circuitry helps monitor voltage, current, and temperature, contributing to safe operation. If you need help, our team is available online 24/7 to answer questions and assist with compatibility checks.