12V/24V 100A Solar Charge Controller with LCD Display & Autoswitch

Keep your off-grid solar system running efficiently with this robust 100A Solar Charge Controller. Featuring automatic 12V/24V voltage detection and a clear LCD display, it delivers intelligent battery management for RV, boat, cabin, and off-grid installations. Compact at just 134 × 70 × 33mm, it fits neatly into any setup without taking up valuable space.

Key Features

Autoswitch Voltage Detection: Automatically identifies 12V or 24V battery systems — no manual configuration needed.
3-Stage Smart Charging: Boost → Float → Equalization charging modes maximize battery lifespan and deliver up to 30% greater charging efficiency versus basic controllers.
LCD Status Display: Real-time readout of battery voltage, charging current, and load status at a glance.
Built-In Protection: Overcharge, over-discharge, short-circuit, reverse polarity, and overload protection keep your system and batteries safe.
5 Current Options: Available in multiple amperage ratings so you can match the controller precisely to your solar array.
Weather-Resistant Design: Shrugs off splashes and humidity — ideal for boats, RVs, and outdoor installations.
Wide Compatibility: Works with sealed, gel, flooded, and lithium battery banks.

Specifications

Input Voltage: 12V / 24V (auto-detect)
Max Charge Current: 100A
Dimensions: 134 × 70 × 33mm
Display: Backlit LCD
Compatible Systems: RV, boat, off-grid cabin, hybrid solar setups

Perfect For

RV & camper van solar systems
Marine & boat battery charging
Off-grid cabins and tiny homes
Backup power and hybrid solar installations

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Frequently Asked Questions

Q: What does this 100A Solar Charge Controller do?

A: This 12V/24V 100A Solar Charge Controller regulates the flow of electricity from your solar panels to your battery bank. Its 3-stage smart charging (Boost, Float, Equalization) optimizes battery health and longevity, while the LCD display provides real-time system data. It's ideal for RV, boat, off-grid, and hybrid solar applications.

Q: Does this solar charge controller work with both 12V and 24V systems?

A: Yes! The autoswitch feature automatically detects whether your battery bank is 12V or 24V and adjusts its operation accordingly — no manual voltage selection required, making setup fast and error-free.

Q: What battery types are compatible with this solar charge controller?

A: This controller is compatible with a wide range of battery types, including sealed (AGM), gel, flooded lead-acid, and lithium battery banks. Its built-in multi-protection system safeguards all these battery types against overcharge, over-discharge, short-circuit, and reverse polarity.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.