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The OPV3W60V board with maximum power point control (MPPC) comes in 3 versions:
• USB (2x 60V solar input, 1x USB 5V output)
• Charger (2x 60V solar input, 1x battery charger output (e.g. Li single-cell or Pb-Acid battery), 1x load, battery not included)
• DIY (bare board, customizable input/output, charger or USB output, soldering and electronic components required)