... Wattage: 8Solar moduel: 8WBattery: Type: 12V/18Ah Qty: 1Output voltage: DC 12VPV controller: 12V/5ADistribution box size (CM): 26* ... 16*38Dynamoelectric capability(daily): 24-40WHMaximal capacity: 130WHLamp power: LED.DC 12V ... battery should be separately, the distribution box including PV controller, inverter, battery monitor, solar panel, cable etc, ...