Extra battery. (1 1/2 oz.)
The iPhone Backup Battery Case comes with The Hammacher Schlemmer Lifetime Guarantee at no additional charge. 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 24 hours a day, seven days a week. Please call 1-800-321-1484 to speak with a product specialist or email us at firstname.lastname@example.org to receive a response within one hour.