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The Victron BlueSolar MPPT 100/20 is a 20A solar charge controller that tracks the panel's maximum power point with ultrafast MPPT and converts at up to 98% efficiency. It handles up to 100V of PV input and works with 12V, 24V and 48V batteries, including lithium. It has no Bluetooth; data comes through the VE.Direct port to a dongle, display or Cerbo GX. At $73.10 at The Solar Store as of November 8, 2026, it sits at the low end of its recent range, well under the typical $90–$130 street price.
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Lowest price we've seen: $73.10 on Nov 8 at The Solar Store. Tracked across 12 stores since Nov 8.
Owners rate it 5 out of 5 across 179 ratings. They praise its reliable MPPT tracking, cool running and easy VE.Direct monitoring. The main complaint is the lack of built-in Bluetooth.
