What You Can Get: 2×1800W Nature's Generator Lithium(Work with 120V 15A 1800W maximum and 1440 Watt-hour Battery Capacity);1×Link Cable; Uninterrupted Power Supply (UPS) Mode: You can recharge your Nature's Generator Lithium 1800 and power your devices at the same time. Three Ways to Recharge Generator:You can use Solar Panels,Wind Turbine and AC Power.The recharging speed depends on the the strength of the sunlight or wind.For example: It takes about 70 minutes to recharge Nature's Generator 80% if using AC power. Link Cable: You can extend the run time of your Nature's Generator Lithium 1800 by connecting to another Nature's Generator Lithium 1800 by the Link Cable. It is recommended to use the Natures Generator Lithium 1800 that has higher battery level at first.