CHARGING ON THE GO
The latest smartphones can take dazzling photos, respond to voice commands, and even recognize your face. What they still can't seem to do is last an entire day without running low on battery. An external power bank can provide a charge when there's no outlet in sight. Cheapism.com has rounded up portable battery chargers that cost less than $35 and enjoy high ratings from consumers and electronics experts. While they vary in size and capacity, most can supply at least one full charge for an iPhone or Android phone before they need recharging themselves. There's also a credit-card-size option for emergencies and a more expensive wireless charger.
Prices and availability subject to change.