When your adventure takes you off grid, the Goal Zero® Flip 24 Power Bank has a surplus of energy that's ready to keep your smartphone and other electronics up and running. Simply flip out the built-in 1A USB output and plug it into any USB port. The Flip 24 will be fully charged in 4 hours and ready to take with you on your next day hike or camping trip. When you need power, this compact and highly portable 6,700mAh powerhouse delivers 2 full phone charges, 3 charges to a POV camera, 2 to 5 charges to a headlamp, or a 50% boost to a tablet. Its internal Li-ion battery can be recharged hundreds of time. Easy-to-read battery indicator. If you're an avid camper or a multiday hiker, you should know that the Goal Zero Flip 24 portable phone charger pairs up with the Nomad 5 Solar Panel (not included), which can give it a recharge in about 8 to 10 hours.