Products Archive Charger Wind Turbine Generator with Fin By Meran Hill March 14, 2019 February 26, 2020 See larger image Additional Images: Charger Wind Turbine Generator with Fin Features: Emergency Potable Backup Power 6 to 12 Volt Generator Requires 8 mph wind for 6 volt battery charging Requires 12 mph wind for 12 volt battery charging New From: $119.95 In Stock Share this:TwitterFacebook Charger Wind Turbine Generator Wind Power Helmet