A simple low tech way of converting high voltage DC(48v) to 12v with a buffer to supply power to solar tracking and charge controller circuits. Build a charge controller with the circuit and instructions in the book Wind and Solar Electricity by Andy Reynolds. Available at Lowimpact.org, youir local book shop, Camden Steam, Centre for Alternative Technology, and online.
48V DC to 12V DC converter, backwoods method, charge tractor battery, run solar tracking, ETC.
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