The Solar Conductor | MPPT Charge Controller 60A-100A for LiFePO4 Home & RV Off-Grid Systems

EastSupplier PlatformSKU: 1005010805821587-100A-Mexico

価格:
$230.86

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説明

Sunlight Is Not Fuel. It Is a Conversation Between Photon and Semiconductor.

Every photovoltaic panel on your roof or RV is engaged in a relentless negotiation with the sun. Photons strike the silicon lattice, electrons leap across the band gap, and raw DC power floods toward the battery bank. But raw power is chaos — voltage spikes, current surges, thermal runaway. Without a conductor to orchestrate this flow, the conversation becomes a shouting match. The MPPT Solar Charge Controller is that conductor. It tracks the maximum power point with algorithmic precision, extracting every available watt from your array while protecting the battery chemistry that stores it.

Designed for the four most common off-grid voltage architectures — 12V, 24V, 36V, and 48V — this controller adapts automatically to your system configuration. Its parallel-capable design means you can scale from a single 60A unit powering a weekend camper to a multi-controller array managing a full residential backup system. The 160V DC maximum PV input gives you headroom to run high-voltage series strings, reducing cable gauge requirements and minimizing transmission losses over long wire runs between panels and battery bank. Whether your storage chemistry is LiFePO4, AGM, flooded lead-acid, or gel, the programmable charge profiles deliver precisely the voltage curve each battery type demands.

The built-in LCD interface provides real-time telemetry: PV input voltage and current, battery state of charge, load output status, and cumulative energy harvest statistics. For remote installations, the RS485 communication port enables integration with monitoring dashboards and home automation systems. This is not a passive regulator that bleeds excess voltage as heat — it is an active DC-DC converter that transforms voltage-current relationships in real time, delivering up to 30% more harvest than PWM alternatives under identical conditions.

Energy independence is not a destination. It is a carefully managed equilibrium.

Key Features

  • True MPPT Tracking: Advanced perturbation-and-observe algorithm with >99% tracking efficiency — captures up to 30% more energy than PWM controllers
  • Multi-Voltage Auto-Detection: Automatically configures for 12V, 24V, 36V, or 48V battery systems — one controller for any off-grid architecture
  • High PV Input Headroom: 160V DC maximum open-circuit voltage supports series-connected panel strings — reduce cable cost on long roof-to-battery runs
  • Parallel Scalability: Link multiple controllers on the same battery bank — expand from 60A to 200A+ as your array grows
  • Universal Battery Chemistry: Pre-configured charge profiles for LiFePO4, AGM, Gel, Flooded Lead-Acid, and user-definable custom curves
  • RS485 Communication: MODBUS protocol support for integration with monitoring dashboards, home automation, and remote telemetry
  • Comprehensive Protection: Overcharge, over-discharge, reverse polarity, short circuit, and over-temperature protection on all terminals

Technical Specifications

  • Rated Current: 60A / 80A / 100A (model-dependent)
  • System Voltage: 12V / 24V / 36V / 48V auto-detection
  • Max PV Input: 160V DC (open-circuit voltage)
  • Tracking Efficiency: >99% MPPT conversion
  • Battery Types: LiFePO4, AGM, Gel, Flooded, Custom
  • Communication: RS485 (MODBUS), optional Bluetooth/Wi-Fi module
  • Display: Backlit LCD with real-time V/A/W/kWh telemetry
  • Protection Rating: IP31 (indoor/weather-protected installation)
  • Operating Temperature: -20°C to 55°C (-4°F to 131°F)
  • Load Output: Programmable DC load terminal with low-voltage disconnect

Application Scenarios

Deploy this MPPT controller in any system where solar harvest efficiency directly impacts quality of life. RV and campervan owners rely on it to maximize rooftop panel output during cloudy multi-day trips — the difference between a fully charged LiFePO4 bank and a generator session. Off-grid cabin and tiny home installations benefit from the high-voltage PV input, which allows panels to be sited in the sunniest clearing while the battery bank and controller remain in a weather-protected utility closet. Marine applications leverage the sealed enclosure and multi-chemistry support to maintain house banks across lithium and AGM configurations. For agricultural pumping stations, remote telecom towers, and field research stations, the RS485 interface enables centralized monitoring of distributed energy systems without site visits. Solar installers and system integrators appreciate the parallel capability — design a single-controller system today, add a second unit when the customer expands their array next year.

Frequently Asked Questions

Q: How many solar panels can I connect to the 100A version?

A: The limiting factor is the 160V DC maximum PV input, not the current rating. For typical 400W residential panels (Voc ~49V), you can series-connect 3 panels (~147V) safely. Total wattage at 48V battery: 100A × 48V = 4,800W maximum. At 12V: 100A × 12V = 1,200W. Always check your panel's Voc (open-circuit voltage) and multiply by 1.25 for cold-temperature margin before connecting.

Q: Does this work with LiFePO4 batteries that have their own BMS?

A: Yes — and it is the recommended pairing. The controller provides the bulk/absorption/float charge stages while the BMS handles cell-level balancing and protection. The LiFePO4 profile is pre-configured with appropriate voltage setpoints (typically 14.4V absorption for 12V systems). You can fine-tune these in the custom profile if your battery manufacturer specifies different voltage thresholds.

Q: Can I use two 60A controllers in parallel for a 120A system?

A: Yes. Connect both controllers to the same battery bank with their own independent PV arrays. Each controller operates autonomously — they share the battery voltage reading and naturally converge on the correct charge stage. This is the preferred method for scaling beyond 100A versus a single oversized unit, as it provides redundancy and allows independent array orientations (east-facing and west-facing panels on separate controllers optimize morning and afternoon harvest).

Q: Does the controller draw power from the battery at night?

A: Yes, but minimal — approximately 0.5-1W for the microcontroller and display backlight (when active). The LCD backlight dims automatically after a period of inactivity. This standby draw is negligible compared to any inverter or DC load on the system and will not meaningfully affect battery state of charge overnight.

Q: Is the RS485 port compatible with Victron or other monitoring platforms?

A: The RS485 port uses the MODBUS RTU protocol, which is an open industrial standard. It can be read by any MODBUS-capable monitoring system including Home Assistant, Grafana, and various SCADA platforms. It is not natively compatible with Victron's VE.Direct protocol, but third-party MODBUS-to-VE.Direct bridges exist. For plug-and-play monitoring, the optional Wi-Fi/Bluetooth module provides a dedicated mobile app interface.

Customer Reviews

Customer Reviews

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Elena R.
Quiet, cool, and just works — what more do you need?

Installed two of these (60A versions) for a small homestead system with 8 panels split east-west. The independent MPPT tracking on separate controllers is brilliant — morning sun hits the east array while the west panels are still shaded, and the east controller ramps up independently. No fan noise, barely warm to the touch after a full day at 55A output. The build quality feels substantial.

J
Jim H.
Solid controller, LiFePO4 profile works perfectly

Using this to manage a 280Ah LiFePO4 bank in my converted school bus (skoolie). The pre-programmed lithium profile matches my battery BMS cutoff voltages exactly. Only gripe is the manual could be more detailed for the RS485 communication setup — had to figure out the MODBUS register mapping myself. But the charge performance is excellent, and the parallel capability means I can add a second unit when I expand my roof array.

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Sarah K.
30% more harvest than my old PWM controller — no exaggeration

Replaced a 60A PWM controller with this MPPT unit on my off-grid cabin system. Same panels, same battery bank — went from harvesting about 2.1kWh on a sunny day to 2.8kWh. The LCD display gives you everything you need at a glance. Running two 400W panels in series at ~90V into the 48V battery system and the tracking is nearly instantaneous when clouds pass.

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