7.4V 18400mAh Heated Vest Battery Pack - Long Life Power for Heated

In this review the Muvenes 7.4V 18400mAh heated vest battery pack is examined for anyone who relies on heated apparel during chilly days. The bottom line: this battery is built specifically for heated vests, jackets, pants and hoodies and stands out for its long runtime and clear LED readout, making it a practical replacement or spare for users of ORORO-compatible and other 7.4V heated garments. It is a straightforward power solution focused on delivering stable heat for prolonged periods rather than being a multi-purpose USB-only power bank.

Key Features

• 7.4V DC output: Designed specifically for heated apparel, it provides the correct voltage for most 7.4V heated vests and jackets so the garments run at intended temperatures.
• Dual outputs: Includes both a 7.4V DC port and a USB port, so it can power heated clothing while also offering a secondary USB charge for a phone or small device.
• Large capacity: The 18400mAh battery delivers extended run times of roughly 6 hours on high, 9 hours on medium, and 12 hours on low heat settings, which covers long days outdoors.
• LED display: The front LED readout shows remaining power so users can monitor charge at a glance and avoid unexpected shutdowns.
• Compact and lightweight: At about 2.75 x 4.01 x 0.98 in it is noticeably smaller and lighter than many competing packs while still offering significantly higher capacity.
• Included accessories: Ships with a Type-C cable and two DC conversion cables to fit common heated apparel connectors, easing compatibility with ORORO and other brands.

Who It's For

This battery is best for people who own 7.4V heated clothing or frequently use heated layers while commuting, working outdoors, or pursuing winter hobbies. It suits users who prefer a purpose-built power pack with a clear LED indicator and long runtimes rather than a generic power bank.

Those who should look elsewhere include users who need only USB charging for phones or devices, or who require an ultra-lightweight pack at the expense of runtime; this unit is compact for its capacity but still heavier than small phone power banks.

Pros & Cons

Pros

• Long runtime that covers all-day use on lower heat settings.
• Stable 7.4V DC output specifically tuned for heated apparel for reliable warmth.
• LED display for accurate remaining charge and automatic sleep mode to save power.
• Includes conversion cables and Type-C charging for broader compatibility out of the box.

Cons

• Bulk and weight are noticeable compared with tiny USB-only power banks, which some users mentioned.
• Not suitable for 5V USB heated devices as it is a 7.4V-focused power pack.

Specifications

Battery capacity	18400mAh
Output voltage	7.4V DC and USB
Estimated runtime	6 hr high / 9 hr medium / 12 hr low
Size	2.75 x 4.01 x 0.98 in
Included cables	Type-C cable, 4.0mm to 3.5mm and 4.0mm to 3.8mm DC adapters
Safety certifications	UL and CE (smart chip protections)

Our Verdict

The Muvenes 7.4V 18400mAh heated vest battery pack is a sensible choice for owners of 7.4V heated apparel who need reliable, long-lasting heat and an easy-to-read LED indicator. It offers clear value with generous capacity, safety features, and included adapters, making it a practical replacement or spare for ORORO-compatible jackets and similar garments despite being a bit heavier than tiny USB power banks.

Frequently Asked Questions

Will this battery work with ORORO heated vests?
Yes, it is compatible with most ORORO-style heated vests and other 7.4V heated apparel using the included DC adapters.

How long will it run on a single charge?
Expect roughly 6 hours on high, about 9 hours on medium and up to 12 hours on low heat settings, depending on the garment and conditions.

Can it charge phones?
It has a USB output that can charge phones (for example it can charge an iPhone 14 Pro about twice) but it is primarily designed for heated clothing and not for 5V-only heated devices.