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Additional USB Power Bank Battery - French Gold


The ZB4000G USB Power Bank (external battery) works with our 5V series heated jackets & vests.  Plus it can charge your smart phones, tablets and other USB powered devices.  

The lightweight aluminum alloy construction provides ultimate protection.  For additional electrical protection, we used Texas Instrument microchips and thermal sensor  to ensure worry free use and safety.

This power bank can provide more than 3x charging for your smart phone and/or up to 10 hours of heating time in VENTURE HEAT's 5 Volt heated clothing.

Note: Charge the battery by plug-in the included micro USB cable into your computer USB port or use the USB charging adaptor come with your smartphone.

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1. How do I take care of my battery?
For continued performance, the battery must be fully charged before use, storage, and once every 3 months of storage thereafter.

2. What affect the working hours?
The temperature of operational environment, the heating level you select.

3.  How long will my battery take to fully charge?
From empty, the battery will take roughly 8 hours to fully charge. 

Any concerns, please contact:


Power System Gold USB Power Bank
Input 5V
Output 2.1A
Capacity 10,400 mAh
Dimensions 90.5 X 77 X 21.6mm
Weight 250g


Free Ground Shipping on orders over $99.95. Enter Promo Code VHFAST at checkout.

Only $10.00 for orders under $99.95

Orders totaling $99.95 or more receive FREE standard ground shipping with use of promo code. Cannot be combined with other promotion codes. Standard ground shipping rates of $10.00 will be applied if an order is under $99.95. Taxes, shipping & handling, discounts, and gift-wrapping charges do not count toward the minimum qualifying purchase. Minimum purchase for shipping is calculated for each shipping address. Ground shipping to 48 contiguous U.S. states only. Does not include shipping surcharges or flat rates. Additional oversized freight charges are noted in the Shipping Details tab on the VENTUREHEAT.COM product page. TWO DAY and Next Day Delivery services are also available on all  items in most location. Please call type in your delivery and check available on the website.


You can expect delivery of most items within 5-7 business days of your order.

Note: All items are shipped from our warehouse in the city of Los Alamitos CA, USA. Certain orders the t package delivery time will take upto 21 business days, if the delivery address is out of country (USA)

VentureHeat reserves the right to request additional identification. If this is needed, we will contact you by e-mail or telephone. Your order will be processed as soon as we receive the requested information by email or phone call.


Venture Heat also offers Two Day and Next Day Delivery for many products. See chart below for delivery time frames.

If Ordered by 12 Noon PT on

Expect two day Delivery by

Next Day Deliery By :






















Two Day and Next Day Delivery Conditions:

To ensure Next Day Delivery, orders must be placed by 12 noon Pacific time Monday-Friday. Orders received after 12 noon Pacific time will not be processed and shipped until the following business day, orders placed after 12 noon on Friday will be processed on Monday for Tuesday delivery.

*Next Day Delivery is NOT guaranteed during Holiday periods.

Saturday delivery is available to some areas at an additional $15. Call 877-261-9477 for more information.

Return & Refund

To return an item for a refund or replacement

About Our Returns Policies

Our goal is make sure you are completely satisfied with your purchase. If for some reason, your purchase does not meet your expectations, you may call us and return the product within 30 days of purchase. After 30 days, you may try to contact the manufacturer directly. Please refer to the original manufacturer for warranty or service issues.

Returned product must be new, unused and contain all original packaging in parts. Please note, that due to hygienic reasons, we are unable to accept any returns on pet products, bedding products, personal care products and seat/support cushions. Any product that has been misused or that shows signs of extensive use will not be returned or exchanged.

Returning a product that is not in acceptable condition may result in the forfeiture of the product.

Discounted and promotional items are final sale items, and cannot be returned. Exchanges only.

If you received a free or special promotional item it must also be returned for refund.

There is a 15% restocking fee for all returns, and shipping cost (if any) will not be refunded.

Requirement to clean the item(s), missing components, existence of an odor of cigarette/cigar smoke or animal hair/dander may result in additional fees or negate our ability to provide a refund or exchange.

Please note that to return an item, you must call to retrieve an Return Merchandise Authorization Number (RMA#). In many cases, you will need to return the product to the manufacturer’s address and include information given to you by the customer service representative. Please call us at (877)261-9477 for any questions or more information regarding this policy.

Return Items You Order

1. Call a customer service representative at (877)261-9477 or email us at to obtain an RMA# and the correct return address.

2. Pack your item in the original packaging, include the packing slip.

3. Send the item back to the address provided to you by the customer service representative

4. We recommend using a traceable return service, such as UPS or FedEx

Refund Process

PlusHeat will issue a full refund minus any shipping cost and a 15% restocking fee. This refund will be process as soon as we have confirmed the item has been received and processed. Although rare, this may take up to 15 business days.


Because of the variety of products that we carry, exchanges are handled on a case-by-case basis. Simply call us at (877)261-9477 for more information.