Mobile Solar Charger.
1.Pinetree 24W Sunpower High efficiency Car battery maintainer can charge 12V batteries with the power of the sun and create 24 watts of energy
2. Monocrystalline silicon panel works in all daylight conditions and is weatherproof for added durability
3. Works with automobile, motorcycle, tractor, boat batteries and more
4. Built-in blocking diode to prevent reverse discharge