What Power Bank Do I Need for My Heated Vest?
“When I first tried on my heated vest, I was genuinely impressed by the warmth it delivered. After placing the compact power bank into the pocket and plugging it into the port, I soon felt a cozy heat spreading across my body.”
Unlike traditional winter wear that relies on bulky layers for insulation, heated vests offer a smarter, more efficient way to stay warm. They use battery-powered heating elements to deliver consistent warmth, making them an ideal solution for cold-weather comfort.

In this blog, we’ll share key insights about the power bank, especially what kind of power bank works best with heated vests.
Why the Power Bank Matters for Heated Vests
Power Source
Heated vests are primarily battery-operated. When connected, the power bank supplies electricity to the heating elements, converting that energy into radiant heat that warms your body directly.
Heating Duration
The power bank’s capacity plays a major role in how long the vest can keep you warm. In general, the larger the battery, the longer the heating time. For instance, the Venustas 10,000mAh battery can power a 7.4V heated vest for up to 20 hours—perfect for staying warm all day. Most vests offer adjustable temperature settings, providing around 3–4 hours of warmth on high with a full charge.
Portability
A power bank makes it easy to take your warmth on the go. Unlike heated blankets that require a direct power source, a heated vest powered by a battery lets you stay cozy wherever you are—whether you’re working outdoors, hiking, or braving the winter commute.
What Power Bank Do I Need for My Heated Vest?
Most heated vests use specially designed power banks to guarantee stable heating performance. So, wearers should not use other batteries for safety. When selecting a heated vest, the power bank becomes a key consideration, and below are some important factors to keep in mind.
Voltage
The battery for heated vests comes in various voltages, with common types including 5V, 7.4V, and 12V. The battery voltage is related to the output energy, and generally, the higher voltage can provide more energy to power more heating elements and maintain better heating performance. For example, Venustas 12V batteries are capable of delivering to efficiently heat 5-6 elements.
Learn More: Battery Guide: 5V, 7.4V, 12V, Which One Is Better?
Capacity
Typically, battery life is assessed based on capacity, but some manufacturer labels can be misleading. For example, 7.4V batteries may be labeled as 14400mAh or 16800mAh, but these figures are often calculated using a lower voltage (like 3.7V or 5V). To accurately evaluate running time, it's crucial to consider the battery's watt-hours as well.
Learn More: Which Battery Capacity Is Larger: 10000mAh, 14400mAh, Or 16800mAh?
Type
Lithium batteries are the preferred choice for charging heated vests thanks to their stable heating performance and safety features. Additionally, they boast a longer lifespan compared to other battery types.
Design
Some batteries use considerate designs to enhance the convenient experience. For example, Venustas 7.4V battery has two output ports, which can charge the battery and other electric devices at the same time.
Safety
The safety of a heated vest battery is paramount, as defective batteries can lead to accidents such as overheating, fires, or short circuits. So, it’s advisable to select a battery with some protection features and reliable certifications.
Venustas Heated Vest Battery Options
Battery Pack |
|||
Size |
3.15*2.60*1.02in |
4.41*2.85*1.02in |
4.88*2.76*1.18in |
Weight |
6.56oz |
10.4oz |
12.08oz |
Cell |
LG Lithium-ion |
LG Lithium-ion |
Lithium Polymer |
Power |
35.22Wh |
53Wh |
74Wh |
Capacity |
9,600mAh@3.7V 4,800mAh@7.4V |
14,400mAh@3.7V 7,200mAh@7.4V 4,800mAh@12V |
20,000mAh@3.7V 10,000mAh@7.4V 5,700mAH@12V |
Output |
USB-A/DC 7.4V (No 12V Output) |
USB-A/DC 7.4V/DC12V |
USB-A/DC 7.4V/DC12V |
Input |
USB-C |
USB-C |
USB-C |
Charging Time |
4 hours with a 15W charger |
2 hours with a 35W charger(charger not included) |
3 hours with a 35W charger(charger not included) |
Running Time (3 heating zones) |
Up to 14 hours |
Up to 20 hours |
Up to 30 hours |
Compatibility |
5V heated apparel, 7.4V heated apparel, and other mobile devices. |
7.4V heated apparel, 12V heated apparel, and other mobile devices. |
7.4V heated apparel, 12V heated apparel, and other mobile devices. |
With the development of heating technology, there are two types of Venustas heated vest: 7.4V heated vests and 12V heated vests.
The Venustas 7.4V heated vest typically comes with a 5K battery, powering the vest (5-6 heating elements) for up to 8-9 hours. This upgraded battery is now more compact, enhancing convenience for wearers. Adding an extra battery is a great way to extend usage time. For those needing more power, larger capacity options like the 7.5K or 10K battery are available.
For 12V heated vests, you can choose between a 7.5K or 10K battery. Both are compatible with 7.4V and 12V heated vests.
Learn More: Ultimate Guide to Venustas Battery Pack Instructions
How to Use Power Bank to Charge A Heated Vest?
It’s easy to use a power bank to charge your heated vest with the following steps:
- Fully charge the battery to supply enough power for your heated vests.
- Connect the battery to the apparel and securely store it in the pocket.
- Press the power button to check if the LED light flashes and the heating elements activate.
- Adjust the power button to select the perfect level of warmth for you. Normally, there are three heating levels respectively low, medium, and high.
- Turn off the heated vest by pressing the button for about 3-5 seconds.
Conclusion
All in all, the battery-powered feature makes warmth more accessible in our lives. So, the power bank is the most indispensable part of heated vests. Most importantly, the power bank has sufficient capacity, long lifespan, safety features, and so on.