Are these chargers the solution to terrible smartphone batteries? by Heather Kelly @heatherkelly March 24, 2016: 12:14 AM ET . We're in the middle of an energy crisis.

Get your Apple Watch band with a built-in charger for $29.97 (reg. $49.99) until Aug. 25 at 11:59 p.m. No coupon is needed for this price. StackSocial prices subject to change.