Even though it’s roughly the same size as your iPhone & weighs just 1 pound, the iClever Boost Engine packs serious power. With 600 amps of peak current & 15000mAh of juice, it will jump start your car, fully recharge your iPhone 7.5 times, a Nexus 6P 2.5 times & other USB devices at up to 2.3A per port. There’s also a built-in LED light & it’s backed by a lifetime warranty.