The data below is based on testing with a fully charged battery.
7.4V heated apparel:
 3-4 hrs on HIGH
4-5 hrs on MEDIUM
8-9 hrs on LOW
5V heated apparel
4-5 hrs on HIGH
5-6 hrs on MEDIUM
9-10 hrs on LOW

Venustas heated apparel is machine washable.Do not use high heat to dry. Remember to remove battery before washing.

"The heating level can be adjusted by pressing the power button 1s. Each press will cycle through the apparel's temperature settings. At a room-temperature, the heat will rise to 131℉/55℃ on HIGH，113℉/45℃ on MEDIUM, and 100℉/37.5℃ on LOW."

Yes. Venustas heated apparel is safe.

No, it's not waterproof, because it has some heating elements inside.

No.5V heated jacket changing port is different from 7V jacket's charging port.

Yes. You can use the USB port on the battery to charge your phone and other electronic devices.

It takes about 5-6 hours to be fully charged.

The button can be used to active the battery when it was turned off automatically.

Yes, you can bring this battery on planes. All Venustas batteries are lithium batteries and they are allowed in carry-on bags and checked bags, with some limits.

When the battery reads 100, it is fully charged.

The number on the battery represents how much power it has left.

No, you can also place an order as a guest. But, there are some perks if you have an account with us:
1. Quick checkout process
2. Easily view your order status and order history
3. Receive updates detailing our new releases and special promotions

We accept all major credit cards (VISA, Mastercard, Discover, AMEX) and PayPal payments.

When purchasing online using your credit card, all of your information is entered into a SSL secure web page. Your information is then SSL-encrypted and sent directly to our credit card provider's network, where your card and transaction is authorized and approved. Your credit card information is not stored on our servers.

All of our transactions are based in US Dollars. If your credit card is based in another currency, your order total will be calculated in accordance with the daily exchange rate of the date your card issuer processes the transaction.

Since our website and service are based on English, all the information that you typed in is required to be English input method, including punctuations. If certain letters of your address contain Non-English letters, you are advised to use the similar English ones instead. For example, you may change letter "?" to "c".

Please be advised that your shipping address cannot be revised after the order has been processed or shipped. Kindly update your shipping address to your residential address instead of your vacational address as we do not know how long the destination's customs department will have the package on hold.

The delivery time is based on the shipping option that you have chosen. Once the order has shipped, we will email your tracking number and tracking website. We are not responsible for delays caused by the customs department in your country.

If something is still missing, please contact us immediately.