




We offer free standard shipping to every province and territory in Canada.
We offer free standard shipping to every province and territory in Canada. No minimum purchase is required, and all orders include tracking for your convenience.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Deliveries to Canada’s outer and remote regions may experience seasonal delays caused by severe weather or limited carrier availability. We appreciate your patience and recommend allowing additional time for your order to arrive safely.
The M Jiuyunmu 7.4V 5000mAh Li-Polymer battery pack is a compact power source designed to extend warmth in heated gear. This replacement pack suits a range of 7.4V systems and can energize gloves, socks, vests, jackets, and more for cold outdoor sessions.
When fully charged, expect around five hours of warmth, with 5–7 hours possible at different heating levels. The pack is designed for repeated use, with an estimated 500–600 charging cycles over its life.
The batteries are compatible with VULNES heated gloves or socks and also fit other brands such as Savior, Snow Deer, Sun Will, and Ororo. They support a broad range of 7.4V products, including heated vests, jackets, gloves, socks, hats, knee pads, and more.
For outdoor enthusiasts, commuters, and travelers, this battery pack offers a flexible power solution that can refresh energy across multiple heated items. It provides a practical upgrade that lets you tailor warmth to activity and weather without replacing an entire system.
Q: What’s included in the M Jiuyunmu 7.4V 5000mAh battery pack package?
A: Two rechargeable 7.4V 5000mAh Li-Polymer batteries and two DC charging cables are included.
Q: Which heated garments are compatible with these batteries?
A: Compatible with VULNES heated gloves or socks and brands like Savior, Snow Deer, Sun Will, and Ororo.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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