instaCHARGE 12,000 mAh Portable Tablet, Phone and Device Charger with Case It's happened to you. You're out and about when, suddenly, your favorite gadget fizzles. Your phone is dead. Or your tablet is done for the day. Fortunately, with the instaCHARGE system on hand, your portable power needs are covered. This handy device packs 12,000 mAh of charging capacity into a small unit you can take anywhere. Simply plug in your device and get a full or near-full charge to keep working, playing and connecting on the go.