The rechargeable 4400mAh Li-Polymer battery pack provides 1 1/2-2 1/2 hours of heat (depending on setting) from a 3 1/2-hour charge using the included AC adapter.
Lifetime Guarantee
Extra Battery For The Cordless Heated Throw, Cape and Stadium Blanket comes with The Hammacher Schlemmer Lifetime Guarantee. If this product ever disappoints you, for any reason, you may return your Hammacher Schlemmer purchase for exchange, credit, or refund.
Should you have any questions, we are available seven days a week (8:00 am – 9:00 pm EST Mon-Fri and 8:00 am– 6:00 pm EST Sat-Sun). Please call 1-800-321-1484 to speak with a specialist or email us at customerservice@hammacher.com to receive a response within 24 hours or less.