All Services Engineering & Architecture Mechanical and Electrical engineering $100/hr · Starting at $100 I have designed solar and battery systems, on and off grid for the past 20 years or so. I've worked on turbomachinery and went to college for mechanical engineering. lead-acid or lithium-ion battery system design. About $100/hr · Ongoing Download Resume I have designed solar and battery systems, on and off grid for the past 20 years or so. I've worked on turbomachinery and went to college for mechanical engineering. lead-acid or lithium-ion battery system design. Skills & Expertise College Education PlanningElectrical EngineeringEngineeringMechanical EngineeringSolar EnergySystems Engineering 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts College Education PlannersEngineersSolar Energy ConsultantsMechanical EngineersElectrical Engineers