Victron Energy SmartSolar MPPT 100/20
(33 reviews)
The benchmark solar charge controller: 100V, 20A, built-in Bluetooth, and up to 98% efficiency. The Victron SmartSolar MPPT 100/20 gets more from your panels.
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Characteristics
- Max PV voltage: 100V (12/24/48V auto)
- Charge current: 20A
- Efficiency: Up to 98% (MPPT)
- Monitoring: Built-in Bluetooth (VictronConnect)
- 98% MPPT with Bluetooth and Victron reliability
Detailed overview: Victron SmartSolar MPPT 100/20 charge controller
The Victron SmartSolar MPPT 100/20 is a premium solar charge controller from Victron Energy, one of the most respected names in the off-grid world. It is the essential link between the solar panels and the battery in a system: it regulates charging, protects the battery, and optimizes solar output.
Its MPPT (Maximum Power Point Tracking) technology is its biggest strength: it continuously tracks the optimal power point of the panels, harvesting up to 30% more energy than a conventional PWM controller, especially in low light or cold weather. Efficiency can reach 98%. The 100/20 designation means it accepts up to 100V of solar input and delivers 20A of charge current, on 12V, 24V, or 48V battery systems, with automatic voltage detection.
In practice, it handles roughly 290W of panels at 12V, 580W at 24V, and 1160W at 48V. It works with every major battery chemistry, lead-acid AGM, gel, and lithium LiFePO4, thanks to its programmable charge profiles. Built-in Bluetooth lets you use the VictronConnect app to track output in real time, review the 30-day history, and adjust every setting with no extra hardware.
Its main constraints are its price, above budget controllers, and the need to size the model correctly for the installed solar power (past this range, you would step up to a 100/30 or 100/50 model). But for a reliable, high-performing, long-lasting solar installation, the SmartSolar MPPT 100/20 remains one of the best choices on the market.
Full specifications
Detailed characteristics
Solar section
| MPPT controllers?Number of built-in MPPT solar controllers (lets you connect panels facing different directions). | 1 |
|---|---|
| Max solar input?Maximum connectable PV power. | 1160 W |
Connectivity
| Bluetooth?Monitoring and settings via an app over Bluetooth. | Yes |
|---|---|
| Wi-Fi?Remote control and updates over Wi-Fi. | No |
Durability and format
| Ingress protection?Water and dust resistance (IP rating). | IP43 |
|---|---|
| Weight?Weight of the battery. | 1.4 lb (0.65 kg) |
| Dimensions (L × W × H)?Length × width × height, in millimetres. | 5.2 × 2.4 × 3.9 in (131 × 60 × 100 mm) |
User manual / Instructions for use (PDF)
Comparison
How does the Victron SmartSolar MPPT 100/20 compare with rival MPPT controllers sold in the US?
| Criterion | Victron SmartSolar 100/20 | Renogy Rover 40A | EPEVER Tracer 2210AN |
|---|---|---|---|
| PV voltage | 100V | 100V | 100V |
| Current | 20A | 40A | 20A |
| Bluetooth | Built-in | Optional | Optional |
| Systems | 12/24/48V | 12/24V | 12/24V |
The Victron 100/20 stands out for its built-in Bluetooth as standard, its build quality, and its 48V compatibility, where the Renogy and EPEVER models cost less but often need a separate Bluetooth module. The Renogy Rover 40A offers more current for larger setups. For reliability and monitoring, Victron remains the benchmark.
Related video
Video: Victron Energy SmartSolar MPPT 100/20 - Published on 16/02/2022
Our tester's review: Julien De Jurquet
The Victron SmartSolar MPPT 100/20 is the controller you install when you never want to think about it again. Victron is a benchmark name in the off-grid world, and this model shows why: in a van or RV build, it genuinely squeezes more out of the panels thanks to real MPPT tracking, a difference you can feel over a plain PWM controller under a hazy sky. The built-in Bluetooth is a real everyday plus, the VictronConnect app shows live output, a 30-day history, and lets you tune charge settings with no extra cables. Build quality feels like it is meant to last for years. Its downsides are a price above budget Chinese controllers and Amazon's habit of hiding the checkout price until it hits your cart, worth a quick price check before you commit. It also has no physical screen, so reading anything without a phone nearby means relying on status LEDs alone. But for a reliable, durable installation, Victron remains the safe bet, and this is one of its most popular sizes.
In-depth review Victron SmartSolar MPPT 100/20: our full review 4.1/5 Read our full review → Efficiency not measured Portability and size not measured Weather resistance not measured Output ports not measured Capacity and expansion not measured Solar input and MPPT 4.1 Control and smart features 4.3 Installation and compliance not measured Build and endurance 4.0 Battery compatibility 3.8 Safety and protections 4.2Frequently asked questions: Victron SmartSolar MPPT 100/20 charge controller
It handles roughly 290W of panels on a 12V system, 580W at 24V, and 1160W at 48V. Solar input voltage must not exceed 100V. Beyond these figures, you would need a 100/30 or 100/50 model.
An MPPT controller like the Victron tracks the panels' optimal power point and harvests up to 30% more energy than a conventional PWM controller, especially in low light. It costs more but delivers noticeably better efficiency.
Yes. It works with every major battery chemistry, lead-acid AGM, gel, and lithium LiFePO4, thanks to its programmable charge profiles, adjustable from the VictronConnect app.
The controller has built-in Bluetooth: the VictronConnect app lets you track output in real time, review a 30-day history, and adjust every setting from a phone, with no extra hardware.
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Published on 02/09/2026