Hi Ed, thank you for reaching out and sharing your concern. We're really sorry to hear that you're having trouble with your jacket battery and that you haven't received a response to your emails. Your satisfaction is important to us, and we want to assist you as soon as possible. Please give us another chance by reaching out to support@ororowear.com, and we’ll do our best to resolve this for you. You could also claim the warranty here: https://www.ororowear.com/pages/warranty#warranty-form
Thank you for your patience!
