Best Power Banks for Heated Jackets [2025 Buyer’s Guide]

A power bank is an essential companion for heated clothing, delivering the warmth you need when temperatures drop. Simply plug in the battery, press the power button, and enjoy instant comfort. Whether you’re tackling outdoor work in freezing conditions or heading out for winter sports, the battery is the key element that boosts both performance and enjoyment.

In this article, we’ll guide you through the best power banks for heated jackets—highlighting top-rated options and answering common questions about battery performance.

How to Choose a Power Bank for a Heated Jacket

Selecting the right power bank for your heated apparel can feel tricky if you’re not familiar with the technical details. To help you make the right choice, here are the key factors to consider:

Capacity

Measured in milliampere-hours (mAh), capacity determines how long your jacket can stay heated. For most heated jackets, a capacity of between 5,000mAh and 10,000mAh works well, depending on the heat setting used.

Voltage

Always match your jacket’s voltage requirement. The most common options are 5V, 7.4V, and 12V. Using the wrong voltage may reduce heating performance or even damage the system.

Power Output

Power output is measured in volts (V) and amperes (A). Ensure the amperage aligns with your jacket’s needs for consistent heating. Some power banks designed for heated apparel also include dual outputs, so you can warm your jacket while charging another device.

Portability

Since the battery sits inside your jacket pocket, portability is key. Compact packs are ideal for outdoor activities, though higher-capacity options may add extra weight.

Charging Time

Larger-capacity batteries naturally take longer to recharge. To minimize downtime, look for fast-charging power banks that keep you ready to go.

Safety Features

Choose a power bank with built-in protections against overcharging, overheating, and short circuits. Certifications like UL, CE, or FCC add an extra layer of assurance for safe, reliable performance.

Best Power Bank for Heated Jacket

Choosing the right power bank is essential to get the best performance from your heated jacket. Here are three top-rated options on the market:

Choosing the right power bank is essential to get the best performance from your heated jacket. Here are three top-rated options on the market:

1. Venustas 5K Battery

• Capacity: 10,000mAh @3.6V ≈ 5,000mAh @7.2V

• Input: Type-C 5V/3A, 9V/2.22A, 12V/1.67A

• Output: USB-A 5V/3A, 9V/2A, 12V/1.5A; DC 7.2V/2.4A; Type-C 5V/3A, 9V/2.22A, 12V/1.67A

• Size & Weight: 3.15 × 2.60 × 1.02 in (80 × 66 × 26 mm), 6.56 oz (186 g)

• Charging Time: 2.5 hours with a 20W charger

Designed for Venustas 7.4V heated apparel, this battery powers the Venustas Heated Jacket (5 heating zones) for up to 10 hours. Its lightweight design makes it easy to carry without feeling bulky, and it can also double as a power bank for your phone.

2. Venustas 7.5K Battery

• Capacity: 15,000mAh @3.7V ≈ 5,000mAh @10.8V

• Input/Output: Type-C 5–20V, multiple amperages; DC 6.8–12.6V

• Size & Weight: 4.41 × 2.85 × 1.02 in (112 × 72.5 × 26 mm), 10.4 oz (295.5 g)

• Charging Time: 2 hours with a 35W charger

This versatile battery can power 7.4V and 12V heated apparel and charge other devices through three output ports. It can keep the Venustas Classic Heated Vest running up to 12 hours and the 12V Heated Jacket up to 10 hours. Multi-protections and certifications (UL, CE, FCC, UKCA, RoHS) ensure safety and reliability.

3. Venustas 10K Battery

• Capacity: 10,000mAh @7.4V ≈ 5,700mAh @12V

• Input/Output: Type-C 5–20V; DC 7.4V/2.5A, DC 11.1V/3.5A

• Size & Weight: 4.88 × 2.76 × 1.18 in (124 × 70 × 30 mm), 12.8 oz (362.5 g)

• Charging Time: 3 hours with a 35W charger

Perfect for long outings, the Venustas 10K provides up to 20 hours of heat for 7.4V apparel and also supports 12V heated clothing and other electronics. It can recharge devices like an iPhone 15 or Galaxy S10 up to four times. Fast-charging capability ensures the battery is ready in just 2.5 hours.

How to Charge the Power Bank for Your Heated Jacket

To charge your battery, connect it to the USB charging cable and then plug it into one of these power sources:

• Wall Adapter: Plug the cable into a USB power adapter, then connect the adapter to a wall outlet.

• Computer USB Port: Connect the cable to a USB 2.0 or 3.0 port on a computer that is powered on and not in sleep mode. The computer must supply enough power to charge the battery.

• Docking Station or Certified Accessory: Use an Apple-certified docking station or other certified accessory.

Venustas rechargeable batteries are compatible with any power adapter that meets applicable safety standards. Avoid USB hubs or adapters with output voltages that don’t match the battery’s requirements, as they may not charge it properly.

How to Check Power Bank Capacity

Battery capacity is measured in milliampere-hours (mAh), which indicates how much charge the battery can deliver. You can usually find this information printed on the power bank itself or listed in the product specifications.

How to Extend the Power Bank’s Lifespan

• Avoid Overcharging: Unplug the battery once it’s fully charged to prevent capacity loss.

• Charge Regularly: Even if unused, recharge at least once every three months to keep the battery in good condition.

• Keep It Cool: Store in a cool, dry place—extreme temperatures can damage the battery.

• Use the Right Charger: Always use the manufacturer-provided charger and cable, or ensure any third-party charger meets the recommended specifications.

We hope this guide helps you choose and maintain the best power bank for your heated jacket. For any battery-related issues, refer to our user guide and troubleshooting tips.