Description
The Victron SmartSolar MPPT 100 | 15 is a compact, high-efficiency solar charge controller ideal for small RV systems, van conversions, trailers, portable power kits, boats, and light off-grid installations. With support for up to 100V PV open-circuit voltage (Voc) and a 15A charging output, this controller works with both 12V and 24V battery banks, including lithium iron phosphate (LiFePO₄).
The controller uses Victron’s Ultra-Fast Maximum Power Point Tracking (MPPT), significantly improving solar charging performance when clouds pass, panels are partially shaded, or temperatures fluctuate. Integrated Bluetooth Smart allows full monitoring and configuration from the VictronConnect app.
Refer to the SmartSolar MPPT user manual uploaded to your system for wiring diagrams, battery settings, programming, temperature compensation options, fuse sizing, and safety notes.
☀️ SOLAR ARRAY CAPABILITY
The MPPT 100 | 15 supports PV strings up to 100V Voc and outputs up to 15A, limiting solar wattage based on battery voltage.
Maximum Recommended Solar Input
| Battery Voltage | Max Charge Amps | Max Solar Wattage (Recommended) |
|---|---|---|
| 12V system | 15A | ≈ 220W |
| 24V system | 15A | ≈ 440W |
The controller will safely limit current to 15A even if the array is oversized slightly.
📐 SOLAR ENGINEERING TABLE (Vmp / Imp & PV Planning)
| Panel Type | Typical Vmp | Typical Imp | Safe Series Count (100V max) | Notes |
|---|---|---|---|---|
| 12V 100W panel | 18–19V | 5–6A | Up to 4S | Most common RV array |
| 12V 200W panel | 18–20V | 9–10A | Up to 4S | May current-limit |
| 24V 200–250W panel | 34–38V | 6–8A | 2S max | Ideal for 24V charging |
| 24V 350–400W panel | 32–38V | 9–11A | 2S max | Current-limit at 12V |
For a small, efficient RV/van system, the most common arrays are:
- 1–2 × 100W panels
- 2 × 100W in series for winter optimization
- 1 × 200W panel
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