Victron SmartSolar MPPT 150/85 (VSSM150-85) is an 85 A MPPT solar charge controller delivering ultrafast tracking and high efficiency for 12–48 V systems.

• Ultrafast MPPT technology: 85 A controller optimised to deliver the highest possible energy yield by quickly tracking the PV array's maximum power point; efficiency >95%.
• Max PV input and power: Max panel voltage 150 V; max PV power 1,200 W (12 V) / 2,400 W (24 V) / 3,600 W (36 V) / 4,900 W (48 V).
• Inbuilt safety protection: Protects against PV short circuit, reverse polarity, overvoltage, overcurrent, reverse current, battery overvoltage and overheating; internal temperature sensor, self-diagnostics and high-intensity LED fault indicators.
• Communications: Built-in Bluetooth for VictronConnect (no dongle); communication port RS232 / TTL (VE.Direct) for accessories; VE.Direct-to-USB cable for USB connectivity; optional VE.Direct LCD display connection.
• Live data & logging: Real-time data transmission of PV and battery parameters via the app; system activity logs for the past 30 days.
• User-defined charging: Option to disable preset values in favour of personalised battery charging algorithms and multi-stage charging profiles.
• Programmable relay: Relay contacts programmable for load control or alarm signalling — AC rating 240 VAC / 4 A; DC rating 4 A up to 35 VDC, 1 A up to 60 VDC; audible alarm option.
• Electrical & mechanical specs: Self-consumption <35 mA (12 V) / <20 mA (24 V); operating temperature -30 °C to +60 °C (-22 °F to 140 °F); enclosure IP43 (electronics) / IP22 (connection area); Pollution Degree rating: PD3; IEC/EN certified.
• Dimensions & installation: 216 x 295 x 103 mm (8.5 x 11.6 x 4.1 in); mounting dimensions 273 x 144 mm (10.7 x 5.7 in); weight 4.5 kg (9.9 lb); 4 x mounting holes (8 mm diameter).

Suitable for a wide range of off-grid and hybrid systems; user manual and supporting documents (including the VSSM150-85 datasheet) are available to download for installation and configuration guidance.