Nature's Generator Powerhouse Wind Turbine Expansion Batteries The SP-20 is intended for

The SP-20 is intended for users who have clearly outgrown smaller converters and now require stronger starting performance and greater electrical stability

three AC sockets

Suitable for indoor and outdoor installation

With safe operating ranges from -4℉ to 140℉ for discharge and 32℉ to 131℉ for charging

Without designated surfaces

Nature's Generator Powerhouse Wind Turbine Expansion Batteries The SP-20 is intended forNature's Generator Powerhouse Wind Turbine is a state of art wind turbine that recharges your Nature's Generator Powerhouse or Nature's Generator Powerhouse Power Pod with wind power. Nature's Generator Wind Turbine Set for Powerhouse