Victron BlueSolar Series Victron BlueSolar MPPT 150/35 Solar Charge Controller 35A MPPT | Up to 150V PV | 12V/24V/36V/48V Systems The Victron BlueSolar MPPT 150/35 is an advanced 35A solar charge controller designed to optimise energy harvest from your solar panels and maintain the health of your battery bank. Utilising ultrafast Maximum Power Point Tracking (MPPT) technology, this controller efficiently converts solar energy, making it ideal for various off-grid, marine, and automotive solar applications in the UK. Engineered by Victron Energy, a trusted name in renewable energy, the BlueSolar MPPT 150/35 features intelligent battery management and comprehensive electronic protections. It supports a wide range of battery voltages from 12V to 48V and can handle PV arrays up to 150V, ensuring reliable performance even in challenging weather conditions. SYSTEM VOLTAGE: Automatically detects 12V, 24V, or 48V battery systems. 36V systems can be configured via the VictronConnect App or MPPT Control panel. Key Features ▶ Ultrafast MPPT Tracking — Maximises energy harvest, up to 30% more than PWM controllers. ▶ Advanced MPP Detection — Optimises performance even under partial shading conditions. ▶ High Conversion Efficiency — Achieves over 98% peak efficiency without a cooling fan. ▶ Flexible Charge Algorithm — Features adaptive 3-stage charging and 8 pre-programmed options. ▶ VE.Direct Communication — Enables remote monitoring and configuration via VictronConnect App. ▶ Extensive Electronic Protection — Safeguards against common electrical faults and overheating. ▶ Robust & Durable Design — IP43 rated enclosure for electronic components, suitable for various environments. Technical Specifications Parameter Value Battery Voltage 12 / 24 / 36 / 48V Auto Select* Rated Charge Current 35A Max. PV Open Circuit Voltage 150V Max. PV Power (12V) 500W Max. PV Power (24V) 1000W Max. PV Power (36V) 1500W Max. PV Power (48V) 2000W Peak Efficiency >98% Self-Consumption 10-20mA (voltage dependent) Operating Temperature -30°C to +60°C Communication Port VE.Direct (RS232 / TTL) Enclosure Protection IP43 (electronics) / IP22 (connections) Dimensions (H x W x D) 130 x 186 x 70 mm Weight 1.25 kg Charging & Battery Modes The Victron BlueSolar MPPT 150/35 employs an adaptive 3-stage charging algorithm (Bulk, Absorption, Float) to ensure optimal battery charging and longevity. This intelligent system automatically adjusts charging parameters based on battery type and temperature, thanks to its internal temperature sensor. It is compatible with a wide array of battery technologies, including: ✓ AGM Batteries ✓ Gel Batteries ✓ Tubular Plate Batteries ✓ Lithium Batteries The flexible charge algorithm can be fully programmed via the VictronConnect App, allowing users to define custom absorption voltage, absorption time, float voltage, equalisation voltage, and temperature compensation settings for specific battery requirements. Typical Applications Application Description Off-Grid Solar Systems Efficiently charges batteries for remote cabins, sheds, and standalone power setups. Motorhomes & Caravans Ensures optimal battery charging for leisure vehicles, extending battery life on the go. Marine Vessels Reliable power management for boats and yachts, resistant to marine environments. Small Business & Backup Power Supports battery charging for critical loads and backup systems in small commercial settings. Built-In Protection Functions The Victron BlueSolar MPPT 150/35 is equipped with comprehensive electronic protection features to ensure safe and reliable operation. These include: PV short circuit protection • PV reverse polarity protection • PV reverse current protection • Battery reverse polarity protection (internal fuse) • Output short circuit protection • Over-temperature protection with power derating. The unit also features self-diagnostic capabilities with LED indicators for system errors. Common Questions What is the maximum solar panel voltage this controller can handle? The Victron BlueSolar MPPT 150/35 can handle a maximum PV open circuit voltage of 150V. For safe operation, the start-up and operating maximum PV voltage is 145V. Can I monitor and configure the controller remotely? Yes, the controller features a VE.Direct communication port. By connecting an optional VE.Direct Bluetooth Smart dongle or VE.Direct USB cable (sold separately), you can access advanced monitoring and programming functions via the free VictronConnect App on your smartphone, tablet, or computer. Is this charge controller suitable for lithium batteries? Yes, the Victron BlueSolar MPPT 150/35 is compatible with a wide range of battery types, including Lithium, AGM, Gel, and Tubular plate batteries. Its flexible and programmable charging algorithm allows for specific settings to suit lithium battery requirements. What are the benefits of Ultrafast MPPT technology? Ultrafast MPPT technology continuously tracks the maximum power voltage point of your solar panels, which changes with sunlight and temperature. This results in up to 30% greater energy yield compared to PWM controllers and up to 10% more than slower MPPT controllers, especially beneficial in cloudy or low-light conditions. Installation Notes Ensure adequate ventilation around the controller for optimal performance. Mount the controller in a dry, protected area, away from direct sunlight and moisture. Use appropriate cable gauges for PV and battery connections to minimise voltage drop and ensure safety. Always connect the battery to the controller first, then the solar panels. Disconnect in reverse order. Refer to the manufacturer's manual for detailed wiring diagrams and safety instructions. Before You Buy Verify your total solar panel array voltage and current are within the controller's limits (Max 150V, 35A). Confirm your battery bank's nominal voltage (12V, 24V, 36V, or 48V) matches the controller's auto-detection or configurable settings. Consider any optional accessories like the VE.Direct Bluetooth dongle or MPPT Control panel for enhanced monitoring. Ensure you have the necessary tools and expertise for safe electrical installation, or consult a qualified installer. Check the physical dimensions to ensure suitable mounting space is available. Please verify all specifications and compatibility requirements with your specific solar system components before purchase. Victron Energy provides a 5-year standard warranty on this power product.
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