Description:
This is a Smart Battery Charger and PWM solar charge controller, designed to manage the flow of power from a solar panel array to a battery bank, protecting the battery from overcharging while optimizing charge efficiency. It features automatic voltage adaptation, meaning it automatically detects and adjusts to either a 12V or 24V system without requiring the user to manually select a setting — making installation and setup straightforward for a wide range of common solar battery configurations.
At its core, the controller uses PWM (Pulse Width Modulation) charging control to regulate the charging current delivered to the battery, helping to extend battery lifespan and improve overall charging safety compared to a basic, unregulated connection. A built-in LCD screen display provides real-time monitoring of key system information, including battery voltage, giving users an easy way to check on system status without needing external tools.
A standout feature of this model is its integrated dual USB output port (5V/2.5A), allowing the unit to directly charge phones, tablets, LED lights, or other small USB-powered devices straight from the connected battery/solar system — a convenient built-in feature not found on more basic charge controllers. The unit also includes full electronic protection, covering common fault conditions to safeguard both the controller and the connected battery/solar equipment from damage.
Physically, the controller is built with a rugged plastic housing and integrated wall-mounting tabs, and connects via a robust screw-terminal block on the underside, with clearly marked positive/negative connections for the solar panel, battery, and load (such as a light or small DC appliance).
Key Features:
- LCD Screen Display (battery voltage monitoring)
- PWM Charging Control
- Automatic 12V/24V Voltage Adaptation
- Full Electronic Protection (overcharge, short-circuit, reverse polarity, etc.)
- Integrated Dual USB Output (5V/2.5A) for charging small devices
- Wall-Mountable Housing with Screw-Terminal Wiring
Key Specifications:
- Product Type: Smart PWM Solar Battery Charge Controller
- Rated Charging Current: 20A
- System Voltage: 12V / 24V (Auto-Detect)
- USB Output: Dual USB, 5V / 2.5A (combined)
- Display: LCD Screen
- Protection: Full Electronic Protection (overcharge, short circuit, reverse polarity, overload)
- Mounting: Wall-Mountable Bracket with Terminal Block Wiring
Applications:
Off-grid solar power systems, RVs, boats, cabins, garden sheds, remote lighting setups, and any 12V/24V solar-battery configuration where safe, regulated charging plus convenient USB device charging is needed.
Package Includes:
- 1 x Smart Battery Charger / 20A PWM Solar Charge Controller (Dual USB Output)
