The iForway 167Wh 45000mAh Lithium PowerTank is an extremely reliable portable charging device. It has a 45000mAh Lithium battery capacity at 3.7V. This All-in-one battery pack is powerful, lasting and ultra-safe to use. It can also be recharged from AC outlet, or solar panels (sold separately). The power station also includes a built-in LED flashlight with 3 modes, perfect for outdoor activities such as camping, fishing, and hiking.