20A 12/24V PWM Solar Charge Controller
✅ Wide Battery Compatibility & Flexible Voltage
Supports AGM, GEL, flooded, and lithium batteries with automatic 12V/24V detection and manual adjustment for lithium.
⚡ Efficient Three-Phase PWM Charging
Enhances battery lifespan and performance through equalize, boost, and float stages.
🔒 User-Friendly LCD & Full Protection
LCD screen for monitoring, with safeguards against connection errors, short circuits, and over-discharge.
🛠 Multiple Output Control Modes
Light control, light + time control, test & debug, manual, and always-on modes.
💡 User-Friendly Interface
Intuitive LCD + keypress operations make setup and management easy.
🔌 5V 1A USB-A Ports
Charge phones, USB fans, lamps, or outdoor cameras.
1.
Connect Battery
→
2.
Connect Solar Panel
→
3.
Connect Load
→
4.
Complete System
Specifications
Key Specs at a Glance Wide Compatibility · Smart Voltage · PWM Charging · Easy Setup · Safe Protection
Controller Specification
| Battery System Voltage | 12V/24V Auto (FLD/GEL/SEL) Manual (Li) |
|---|---|
| No-load Loss | 8ma (12V), 12ma (24V) |
| Max Solar Input Voltage | <55Voc |
| Rated Solar Charge Current | 20A |
| Max Solar Input Power | 340W/12V; 680W/24V |
| Light Modes | light control(dusk-to-dawn), light + time control, debug mode, manual control, steady-on mode. |
| Light Control Delay Time | 10s |
| Max Load Output Current | 20A |
| USB Output | 5V1A |
| Operating Temperature | -35ºC ~ +45ºC |
| IP Protection | IP32 |
| Net Weight | 0.196 kg |
| Operating Altitude | ≤3000 meters |
| Controller Dimension | 122*70*34.5 mm |
Battery Parameters
FLD Battery
Equalize Charge Voltage: 14.8V*n
Boost Charge Voltage: 14.6V*n
Float Charge Voltage: 13.8V*n
Boost Charge Recovery Voltage: 13.2V*n
Over-discharge Recovery Voltage: 12.6V*n
Over-discharge Voltage: 12.6V*n
SEL Battery
Equalize Charge Voltage: 14.6V*n
Boost Charge Voltage: 14.4V*n
Float Charge Voltage: 13.8V*n
Boost Charge Recovery Voltage: 13.2V*n
Over-discharge Recovery Voltage: 12.6V*n
Over-discharge Voltage: 12.6V*n
GEL Battery
Equalize Charge Voltage: --
Boost Charge Voltage: 14.2V*n
Float Charge Voltage: 13.8V*n
Boost Charge Recovery Voltage: 13.2V*n
Over-discharge Recovery Voltage: 12.6V*n
Over-discharge Voltage: 12.6V*n
LI Battery
Equalize Charge Voltage: --
Boost Charge Voltage: 14.2V*n(adjustable)
Float Charge Voltage: --
Boost Charge Recovery Voltage: --
Over-discharge Recovery Voltage: --
Over-discharge Voltage: 11V*n(adjustable)
Includes
Downloads & View
20A 12/24V PWM Solar Charge Controller User Manual
FAQ
1. What types of batteries are compatible with this solar charge controller?
This controller supports a wide range of battery types, including AGM, GEL, flooded, and lithium batteries. Users can also adjust voltage settings for added flexibility.
2. Is the controller easy to operate and monitor?
Yes, it features a user-friendly LCD screen that shows system status and parameters, along with intuitive key press operations for easy setup and management.
20A 12/24V PWM Solar Charge Controller is backordered and will ship as soon as it is back in stock.







