Hi William, thank you for your review. Normally the PD 5K battery offers 8-10 hours heating for heating on low setting for most heated apparel. If you have any concerns about the battery, please don’t hesitate to reach out to us at support@ororowear.com. We’re here to help! :)
“Having a 2nd battery is a life saver, one that charges twice as fast as the original is the chefs kiss.
Honestly should come with this battery from the start.
But always warm now”
Hi James, thank you for your review. It is noticed that one of our customer service specialists is helping you with this. Please don't worry, we will try our best to help you resolve this situation.