Extra battery. (1 1/2 oz.)
The iPhone Backup Battery Case 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 – midnight EST). Please call 1-800-321-1484 to speak with a specialist or email us at firstname.lastname@example.org to receive a response within three business hours or less.