With its 94 watt-hour power pack this generator is designed to power and charge small-to-medium electronics like laptops, including MacBooks and Surface Pro 3/Pro 4, with its integrated power inverter that has a standard 3-prong 110V outlet, and an 19V DC output for HP, Dell and IBM. It has dual charging capabilities so that you can use the 110V A/C and USB outputs at the same time. Designed with lithium-ion battery technology, it is a lightweight and safer alternative to heavier lead acid or less stable cobalt-based lithium-ion batteries. The generator is perfect for air travel, camping, hunting, and emergency preparedness. Recharge via a standard wall outlet. The generator has 2 5V USB ports, a 12V, a 19V DC output and an integrated 110V A/C standard outlet.