SunGuard Solar Charge Controller 12/24V LCD Dual USBs - Smart Bat

Solar Charge Controller 12/24V LCD Display with Dual USB Output (10A–60A Models)

A reliable solar charge controller designed for 12/24V battery systems, ideal for off-grid setups, RVs, boats, and cabins. It combines a clear LCD readout with smart charging to protect batteries and optimize solar power usage.

• Voltage Range & Models: Auto-detect 12V or 24V systems across multiple models (RBL-10A to RBL-60A) to fit your solar panel and battery setup.
• 4-Stage PWM Charging: Fully-featured PWM management ensures efficient, safe charging through bulk, absorption, float, and maintenance stages.
• Big LCD Display: Real-time readings and adjustable parameters at a glance—voltage, current, charging status, and settings.
• Robust Protection Suite: Built-in protection against short circuits, open circuits, reverse polarity for both battery and solar panels, and over-load scenarios.
• Dual MOSFET Reverse Current Protection: Prevents night-time battery drain back into the solar panel with low heat generation.
• Temperature Compensation: Automatically adjusts charging voltage to match ambient temperature, optimizing battery health and efficiency.
• Auto Load Management: If the battery voltage drops, the controller disconnects the load and automatically restarts when voltage returns to normal.
• USB Output: Convenient 5V/3A USB port for charging devices directly from the system.
• Battery Type Adaptability: Supports Sealed, Gel, and Flooded lead-acid chemistries with voltage settings aligned to each type.
• Easy Wiring & Safe De-Installation: Simple connection order (battery, solar panel, then load) to prevent damage during setup or removal.

This regulator provides practical, dependable control for any 12/24V solar battery system. Its temperature-compensated charging and protection features help extend battery life while the LCD display and USB output add everyday convenience for off-grid living, workshops, or remote cabins.

FAQs

• Q: What is a solar charge controller and who should use a solar charge controller?

  A: A solar charge controller manages charging to a 12V or 24V battery system and prevents overcharging, making a solar charge controller essential for any 12V/24V solar panel system used in off-grid living, RVs, boats, or cabins. It’s the core of a reliable PWM charge controller setup that protects battery health.

• Q: Is this compatible with both 12V and 24V systems?

  A: Yes. The device auto-detects the system voltage (12V/24V) and applies appropriate charging parameters, a key feature of a true 12V/24V solar charge controller used in a wide range of solar panel configurations.

• Q: Does it provide USB charging?

  A: Yes, the built-in USB port delivers 5V/3A, making it convenient to charge phones, tablets, or small USB devices directly from your solar setup.

• Q: What protections does the controller offer?

  A: It includes reverse polarity protection for both the battery and the solar panels, short-circuit protection, open-circuit protection, and over-load protection—features you expect from a dependable PWM charge controller used in a 12V/24V solar system.

• Q: How does temperature compensation help?

  A: Temperature compensation automatically adjusts the charging voltage based on ambient temperature, helping maximize charging efficiency and extend battery life for a solar battery system.

• Q: How does the auto load management work?

  A: When the battery voltage falls too low, the controller disconnects the load to protect the battery. If voltage recovers, the load automatically reconnects, providing a safe, hands-off approach for a solar system in off-grid use.

• Q: What is the maximum solar input for 12V and 24V configurations?

  A: The controller supports up to 24V input for 12V batteries and up to 48V input for 24V batteries, delivering compatibility across common off-grid solar designs.

• Q: Can I use different battery chemistries?

  A: Yes. It supports Sealed, Gel, and Flooded lead-acid batteries, with corresponding equalization and charge settings that align with each chemistry.

• Q: How do I install this controller?

  A: Connect the battery first, then the solar panel, and finally the load. Always de-install in reverse order to avoid damage; the sequence is an important safety step for any solar charge controller.

• Q: How can I read the status on the LCD?

  A: The LCD provides real-time measurements such as voltage, current, charging state, and alarms, helping you monitor a 12/24V solar panel system at a glance.

• Q: Where is this controller best used?

  A: It’s well-suited for off-grid solar panel systems in cabins, RVs, boats, or other remote locations where a compact, reliable PWM charge controller with a USB port adds convenience and protection for a 12V/24V battery bank.