3.5W Solar Panel - This floating solar water pump is powered by high quality 3.5W solar panels, has a built-in battery, automatically stores solar energy and is a truly environmentally friendly solar water pump. Makes full use of solar energy resources, saves energy and is environmentally friendly, allowing the water pump to work continuously even in weak sunlight. Environmentally friendly battery: The water pump solar pond has a built-in high-performance lithium polymer battery. It can work for 4-6 hours after the battery is fully charged and it can spray water during the day. It makes full use of the solar energy source and is used for one hour after dark, which is very environmentally friendly. Easy to install and use: Just put the pump in the water, the rest is generated by the sun. The brighter the sun, the more water can be pumped. The product has an automatic shut-off protection and will stop working automatically when it leaves the water. Extended lifespan. You should clean