SOC is state of charge. SOH is state of health. Share This Previous Post← Our first project Our first project Next PostSolar greenhouses hold great promise for agriculture → Solar greenhouses hold great promise for agriculture You May Also Like . The most challenging part of a solar system is the communication between the batteries and the inverter View Post . Every part of a solar system needs to be of the highest quality View Post . One of the biggest problems in Lebanon is the exceptionally poor construction quality of its buildings View Post