Store the energy that your solar cell collects in the sunshine. So you can run your notebook, even if it rains, or illuminate your tent at night.
For example, with a power-saving LED lamp.
The uncomplicated battery fits easily in the car, in the camper or on the sailboat. There, with a capacity of 7.2 Ah, it provides a practical all-round supply.
The best thing about it: The power always comes free of charge from the sky!
