MPPT 100/20 20A Solar Charge Controller (48V Ready) with Bluetooth | Victron Monitoring They can be retrofitted to

They can be retrofitted to have Bluetooth by connecting the VE

Dual USB ports for device charging

IP67 protection rating (electronics)

Even when partially shaded by trees

MPPT 100/20 20A Solar Charge Controller (48V Ready) with Bluetooth | Victron Monitoring They can be retrofitted toSmartSolar MPPT 100 20 Solar Charge Controller The smartest solar charge controller under the sun. 20A. Bluetooth enabled. Supports up to 48V battery systems. Maximise Your Energy Harvest The SmartSolar MPPT extracts every bit of energy from sunlight, even in partially shaded conditions. Extremely fast power point tracking and intelligent charge algorithms make it happen. Synchronise to Behave as One Multiple MPPTs can coordinate using Bluetooth or a