Wamlet

12V 7 4V Battery Pack for Heated Vests Heated Jackets and Heated Hoodies Compatible with Milwaukee DEWBU Venustas

$59.99$119.99

844+ bought in the past month

About this item

  • This 20,000mAh battery pack is specifically engineered for 12V and 7.4V heated jackets/vests, compatible with most 12V heated apparel on the market(such as for Milwaukee & DEWBU & Venustas & WULCEA & HECUSMA etc). It comes with two DC adapter cables, fitting common DC plug sizes (5.5mm, 4.0mm). Use the included Type-C to DC step-up adapter cable to work with most 7.4V heated clothing available commercially(such as for ororo & Venustas & Topdot & Gobi heat etc)
  • Ultra-long Thermal Retention: Compact yet powerful, the 12V 6400mAh/77Wh(equivalent to 20,000mAh@3.85V) large capacity delivers long-lasting power for your heated jacket/vest — up to 6–10 hours on high, 11–20 hours on medium, and 15–30 hours on low. A single charge meets your all-day daily needs. Whether commuting, working outdoors, or enjoying winter sports, you can rely on non-stop warmth all day long.
  • High-speed Recharge in 3.5 Hours: Wamlet battery only takes 3.5 hours to be fully charged with a 20V/1.5A(30W) or higher charger, 60% shorter charging time than other brand batteries.
  • CERTIFIED SAFE & MULTI-LAYERED PROTECTION: Safety is our top priority. UL & CE certified, this battery features built-in safeguards against overcharging, overheating, overcurrent, short circuits and Low voltage and over-discharge protection. An advanced battery management system optimizes performance while regulating temperature, ensuring maximum safety and reliability. TSA-compliant for air travel—wear it comfortably or stow it in your carry-on with total peace of mind.
  • PLUG & PLAY AUTO-ACTIVATION: Connect your heated device, and this replacement battery pack automatically powers on – no extra on/off button presses needed. When idle, it hibernates automatically to save power, freeing up your hands entirely during cold winter days.
  • What You Get: 1 x 20,000mAh Battery Pack, 1 x USB-C Charging Cable, 1 x User Manual, 1 x DC5521 to DC4017 Adapter Cable, 1 x Type-C to DC9V Step-Up Adapter Cable. Choose the right connector for your heated apparel, or plug directly into 5.5mm compatible ports. For any questions or concerns, our 24/7 customer service team is here to assist.
$59.99
Was $119.99Save $60.00

In Stock

Easy Returns · Return eligibility shown before checkout


How you'll get this item

DeliveryShipping details confirmed at checkout

Fulfillment

Ships fromVentari
Sold by
Wamlet
Returns
Easy ReturnsReturn eligibility shown before checkout
PaymentsPayment details confirmed at checkout

Currently unavailable
Easy Returns · 30-day window
Product details
Number of Batteries1 12V batteries required. (included)
BrandWamlet
Battery Cell CompositionLithium Polymer
Battery Capacity20000 Milliamp Hours
Recommended Uses For ProductPhone
Technical specifications
product_dimensions4.23 x 2.79 x 1.13 inches
item_weight13.8 ounces
item_model_numberN41-12
batteries1 12V batteries required. (included)
best_sellers_rank#74,746 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #1,506 in Cell Phone Portable Power Banks
special_featuresDigital Display
other_display_featuresWireless
colorBlack
manufacturerDongguan Norman Industry Co., Ltd.
date_first_availableNovember 12, 2025

From the brand

Product detailProduct detailProduct detailProduct detailProduct detailProduct detail

Product videos

Product video 1

Customer reviews

4.2
Recently Viewed

We use optional analytics cookies to understand how visitors use Ventari and improve the experience. This banner controls analytics measurement only. See our Cookie Policy.