After nearly 60 hours, metallic plates are used up, just replace them with new ones and replenish either saltwater or seawater acting as electrolyte so that the battery can continue to generate electricity to support ten LED lights. Therefore, this LED lantern is in cycling use. What’s more, it is equipped with a standard USB port. By way of connecting it, your phone, camera or other small devices can get electricity!
Small and portable
No self-discharge at dry storage
Long shelf life with low maintenance cost
Environmental friendly, no toxic gas emission
Easy operation with low noise