MPPT Solar Charger Controller 20A/20A, 12V/24V auto 100V max solar voltage
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SKU: 336-3020
50 in stock
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20-Amp MPPT Solar Charge Controller | Conversions Tech
Unlock every watt—smarter, faster, safer.
The Conversions Technology 20-Amp MPPT Solar Charge Controller squeezes maximum power from your solar array with 99.9 % MPPT tracking efficiency and up to 98 % conversion efficiency. Built for 12 V & 24 V systems in homes, RVs, cabins, and off-grid installs, it delivers data-driven insight, bulletproof protection, and adaptive charging that extends battery life.
Top Reasons You’ll Love It
- Next-Gen MPPT Algorithms —Real-time peak tracking captures more energy as sunlight and shading change.
- Four-Stage Smart Charging —Bulk, Boost, Float, and Equalization profiles for AGM, Gel, Flooded & LiFePO4.
- Auto 12 V / 24 V Detection —Plug-and-play setup for mixed system fleets.
- Intelligent Thermal Derating —Reduces output to safeguard electronics in high heat.
- Custom Load Control —Program dusk-to-dawn, timer, or manual modes without extra relays.
- IoT-Ready Connectivity —Optional Bluetooth & RS-485/Modbus let you monitor remotely via app or SCADA.
- All-Around Protection —Built-in guards against reverse-polarity, short-circuit, over-current, over-temp & surges.
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Current | 20 A |
| System Voltage | 12 V / 24 V auto-select |
| MPPT Efficiency | 99.9 % |
| Conversion Efficiency | ≤ 98 % |
| Supported Batteries | AGM, Gel, Flooded, LiFePO4 |
| Charging Stages | 4 (Bulk, Boost, Float, EQ) |
| Operating Temp | −31 °F – 149 °F (−35 °C – 65 °C) |
| Communications | RJ-11 RS-485/Modbus; optional Bluetooth |
| Dimensions | 7.4 × 4.1 × 2.4 in (188 × 104 × 60 mm) |
| Weight | 1.7 lb (0.77 kg) |
Perfect For
- Residential rooftop arrays
- Off-grid cabins & tiny homes
- RV, camper van & marine power
- Remote telecom & security battery banks
- Backup systems with mixed battery chemistries
Ready to capture more solar power?
4 Reasons Pros Buy Direct from Conversions Tech
Headquartered in business-friendly Wyoming, we design, test, and ship every product from inside the United States—delivering genuine “Made-for-America” quality without the big-box markup.
Our in-house team owns every CAD file, mold, and QA station behind our weatherproof boxes, conduit bodies, and power inverters. Vertical control means tighter tolerances, UL-listed safety, and up to 30 % lower cost than private-label imports.
Thousands of SKUs sit ready to go. Orders placed by 2 p.m. ship the same day, keeping contractors, OEMs, and distributors on schedule.
Need a torque spec or an OEM quote at dawn? You’ll speak directly with the Conversions Tech engineering desk—not a script reader—for instant answers, custom kitting, and private-label options.
Bottom line: For rugged, code-compliant electrical solutions shipped fast from a trusted U.S. source, choose Conversions Tech and build it right the first time.
