Compact 35 A MPPT solar charge controller with ultrafast tracking and advanced monitoring for off‑grid and mobile solar systems.

• Ultrafast MPPT Technology: This 35 A MPPT solar charge controller is designed to deliver the highest possible energy yield by rapidly tracking the panel maximum power point to maximise harvest.
• Inbuilt safety protection: Fully equipped with an extensive range of safety features offering protection against PV short circuit, PV reverse polarity, PV reverse current, battery reverse polarity and battery overheating (internal temperature sensor).
• Advanced programming and monitoring: The user can connect an optional MPPT Control panel (sold separately) to the controller to view and set charging parameters and durations.
• Live data transmission: Real‑time information is displayed including solar panel voltage, current and power; data logs: system activity for the past 30 days is available to view.
• User‑defined battery charging algorithm: Option to disable preset values in favour of personalised charging parameters; VE.Direct compatible for Windows PCs/laptops and third‑party monitoring.
• Electrical performance: High efficiency (>95%) with max solar panel voltage 150 V and max solar panel power 500 W (12 V) / 1000 W (24 V) / 1500 W (36 V) / 2000 W (48 V); charge current 35 A.
• Communication & consumption: Communication port RS232 / TTL for VE.Direct accessories; self‑consumption 20 mA (12 V) / 15 mA (24 V) / 10 mA (48 V).
• Physical & environmental: Accepts cable sizes up to 13 mm² (approx. AWG 6); working temperature −30°C to +60°C (−22°F to +140°F); IEC/EN certified; enclosure IP43 (electronic components); Pollution Degree rating PD3; dimensions 130 x 186 x 70 mm (5.1 x 7.3 x 2.8 in); mounting dimensions 176 x 71.5 mm (6.9 x 2.8 in); weight 1.25 kg (2.8 lb); 4 x mounting holes (8 mm diameter).

Compatible with VE.Direct accessories and downloadable product documentation (user manual, product data). Documentation available includes the user manual for the Victron 35 A MPPT solar charge controller VBSM150-35 and product data. Refer to the manual for installation, wiring and maintenance guidance.