PWM Solar Charge Controller 10A 20A 30A 12V/24V With LCD Display and Dual USB

Model: PWM

Smart Charging PWM Solar Charge Controller, 12V/24V auto-detection, efficient charging management, LED lighting control, IP32 rated, ideal for small solar systems.

Key Features

  • Smart Charging Management
  • Auto Voltage Detection
  • High Efficiency
  • Multi-Protection
  • Durability
  • User-Friendly

Bullet Points

  • Auto Voltage Detection: 12V/24V auto-switching, no manual configuration.
  • PWM Efficiency: 3-stage charging (Boost/Float/Equalization) extends battery life by 20%.
  • Full Protections: Overcharge/Over-discharge/Reverse Polarity protection.
  • LED Lighting Control: Timer & dimming functions (optional models).
  • Robust Design: Aluminum casing, IP32 rating for harsh conditions.

Product Description

PWM Solar Charge Controller 10A 20A 30A 12V/24V  With LCD Display and Dual USB

1,Product Overview

PWM controllers utilize advanced digital control technology to deliver high-precision pulse width modulation output. Widely used in power management, motor control, LED dimming and other applications, these products feature high efficiency, low power consumption and excellent stability. With multiple protection functions, they are ideal for industrial automation and consumer electronics.

2,Product Features

  • Adjustable frequency range: 100Hz-1MHz
  • 16-bit high resolution duty cycle control
  • Wide input voltage range: 3V-36V
  • Maximum output current: 5A
  • Operating temperature: -40℃ to +85℃ (industrial grade)
  • Built-in over-current, over-voltage and over-temperature protection
  • Supports analog/PWM dimming modes
  • Compact SOP-8 package

3,Technical Specifications

Parameter                    Specification

Input Voltage            | 3-36V DC
Quiescent Current    | <1mA
Efficiency                   | >95%
Frequency Accuracy | ±1%
Duty Cycle Range     | 0-100%
Protection                  | OCP, OVP, OTP
Package                     | SOP-8, QFN-16

4,Applications

  • Switching power supplies
  • DC motor speed control
  • LED lighting dimming systems
  • Battery charging management
  • Industrial automation equipment
  • Consumer electronics

Technical Specifications

Rated Voltage 12V/24V Auto-Switching
Max Input Power 12V: 390W / 24V: 780W
Charging Current 10A/20A/30A (Optional)
Load Current 10A/20A (Matched to Charging)
Charging Mode PWM 3-Stage (Boost/Float/Equalization)
Protections Overcharge, Over-discharge, Short-Circuit, Reverse Polarity
Operating Temperature 35℃ ~ +60℃
IP Rating IP32
Communication None (Basic) / RS485 (Optional)

Frequently Asked Questions

Only for lead-acid/GEL (custom models available for lithium).

Directly link panel’s +/- to controller’s “PV+” & “PV-” terminals.