Father's Day Gift Guide: 25 Great Tech Gift Ideas For Dad

Backup Battery

Compact and slim, this Backup Battery is just what dad needs when his cellphone runs out of power. If he forgets to pack his charger or has nowhere to charge, this battery will come in handy. This quarter-inch thin battery is small and slim enough to fit inside a wallet's credit card slit. Made of lithium-ion, it is equipped with a micro USB port and extends a phone's battery life by 25 percent. Most Android and BlackBerry phones are compatible with this convenient gadget.

List Price: $29.95

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