These SmartSolar MPPT controllers are designed to maximise solar-harvest and protect battery health in off-grid, grid-support, and hybrid solar systems. They incorporate very high conversion efficiency (up to ~98 %) and advanced features (MPPT tracking, adaptive charge algorithms, Bluetooth/remote monitoring) to ensure that solar arrays perform optimally and that batteries are managed intelligently.
Features & Benefits
- Ultra-fast Maximum Power Point Tracking (MPPT): This means the controller rapidly adjusts to changing sunlight conditions (clouds, partial shade, panel angle) to extract as much energy as possible from the PV array.
- Very high efficiency: The controllers achieve up to ~98 % conversion efficiency, meaning minimal losses in the charge-stage.
- Automatic multi-voltage support: Many models support 12 V, 24 V, 48 V battery systems, and in some cases 36 V. This flexibility is beneficial in diverse installations.
- Adaptive/programmable charge algorithms: The unit supports multiple battery types (flooded, AGM, GEL, Li-ion) and includes pre-programmed and custom profiles. It also includes features for deeply discharged batteries (can recover from 0 V in certain cases).
- Built-in protection (SafetyShield+): Includes over-temperature protection, PV reverse polarity protection, output short-circuit protection, reverse current protection, temperature compensation of charge voltage. These help safeguard the battery and system longevity.
- Monitoring and connectivity: Many models include Bluetooth (via the VictronConnect app) and a communication port (VE.Direct or VE.Can) for remote monitoring and firmware updates. This allows installers and system owners to monitor performance and adjust settings.
Use Cases
- Perfect for medium-sized off-grid homes, hybrid solar installations, commercial / small industrial applications in Tanzania where PV arrays are sizeable (1 kW-2.5 kW) and battery banks are at 24 V or 48 V.
- Because of the 150 V input, you can connect higher voltage PV arrays (which helps reduce cable losses and allows longer string lengths) — this is particularly relevant in African installations where wiring runs might be long.
- Thanks to high efficiency and intelligent algorithms, the 150/45 helps maximise energy harvest (important in regions with variable sun or partial shade) and extends battery life (important given cost of battery replacement in Tanzania).
- The robust design and wide operating temperature range make it suited to challenging climates, including hot or dusty environments common in Tanzania.
- The ability to recover deeply discharged batteries is valuable in installations where battery maintenance may be irregular or grid outages prolonged.
Value Propositions
- High Performance in Low-Light & Cloudy Seasons: Perfect for regions with changing weather such as Kilimanjaro, Mbeya, Iringa.
- Extremely Low Power Loss: Reduces energy wastage, making every solar panel more effective.
- Lower Battery Replacement Costs: Smart charging significantly extends battery lifespan — critical for users relying on deep-cycle or lithium batteries.
- Very Low Maintenance: Natural cooling and robust design mean fewer failures and almost no maintenance.
- Easy Mobile Monitoring: Tanzanian users can track solar production via mobile phones without extra accessories.
- Trusted International Brand: Victron is widely used in East Africa by installers and telecom providers.
Local Market Positioning in Tanzania
- Premium European-built controller known for long lifespan and high reliability.
- Competes strongly against brands like SRNE, EPEVER, Must, and PWM controllers.
- Best fit for customers who want efficiency, long-term performance, and smart monitoring.
- Ideal for installers offering professional solar solutions in Dar, Arusha, Mwanza, Zanzibar, and rural regions.
- Strong after-sales support due to availability of Victron components and accessories.
Technical Specification
| Model Name | SmartSolar MPPT 150/45 | SmartSolar MPPT 75/15 |
| Rated Charge Current | 45A | 15A |
| Maximum PV Open Circuit Voltage | 150V | 75V |
| Battery Voltage | 12V / 24V / 36V / 48V (Auto-select) | 12V / 24V (Auto-select) |
| Max PV Input Power | 650W @ 12V, 1300W @ 24V, 1950W @ 36V, 2600W @ 48V | 220W @ 12V, 440W @ 24V |
| Efficiency | Up to 98% | Up to 98% |
| Charge Algorithm | Fully programmable, multi-stage, adaptive | Multi-stage adaptive charging |
| Bluetooth Connectivity | Yes (built-in) | Yes (built-in) |
| Protection | Reverse polarity, over-temperature, short-circuit, overload | Reverse polarity, short-circuit, over-temperature, overload |
| Deep Discharge Recovery | Yes (battery voltage as low as 0V) | Yes, supports charging from 0V |
| Operating Temperature | -30°C to +60°C | -30°C to +60°C |
| Cooling | Natural convection | Natural convection |
| Recommended Battery Types | Lead Acid (Flooded/AGM/Gel), LiFePO₄ | Lead Acid, AGM, Gel, LiFePO₄ |
| Communication Ports | VE.Direct | VE.Direct |
| Installation Category | Off-grid, hybrid, solar home systems | Solar home systems, small off-grid setups |





