Leopard 44 Photos. Below are the $250K in upgrades made to Speculation for the green operation designed by Waymon Arnold, Solar Engineer. This vessel is great for advanced courses and those who wish to live a board, as well as learning to bareboat charter. 1: 24 100w Flexible solar electric panels 2: 10Kw Victron inverter 3: 21kwh of Lithium iron Phosphate battery storage 4: Electric Dinghy with 9.9hp Elco motor and 4.8kwh battery 5: Electric pressure cooker 6: Induction cook top with induction cookware 7: 2  Electric underwater scooters 8: Ro water purification system with UV filtration ( no plastic bottles) 9: New Mainsail, Jib (main propulsion renewable energy/ wind) 10: New 8.5kw Generator 12: new premium sound system with blue tooth capability 13: AED device, Epi pens, Narcan 14: All waste hoses and macerator pumps have been replaced Electric motors are in the works but are quite costly!