Congsin 40A PWM Solar Charge Controller for Efficient 12V/24V Battery Charging
The Congsin 40A Solar Controller is built to manage medium-sized off-grid solar systems with intelligent 12V/24V auto-detection and advanced safety protocols. Ideal for mobile, marine, and cabin-based energy needs.
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- 40A PWM charging for 480W/12V or 960W/24V solar arrays
- 12V/24V automatic battery recognition and switching
- Digital LCD screen showing input/output voltage and battery status
- Dual USB ports for 5V mobile device charging (2.5A max)
- Comprehensive protections: short circuit, reverse polarity, overload, over-discharge
📐 Technical Specs
Rated Current: 40A
System Voltage: 12V / 24V auto
System Voltage: 12V / 24V auto
Max PV Input: 50V
USB Output: 2 × 5V / 1A
USB Output: 2 × 5V / 1A
Working Temp: -35℃ to +60℃
Certifications: CE, FCC, RoHS, LVD
Certifications: CE, FCC, RoHS, LVD
🌍 Real-World Applications
This 40A solar controller is an excellent choice for:
- RV solar panel kits and battery systems
- Marine vessels and boats requiring stable charging
- Off-grid cabins and outdoor surveillance power setups
- DIY portable solar kits and energy backup stations
📦 OEM & Wholesale Support
Congsin offers full OEM/ODM customization services. Whether you’re an Amazon seller, solar product assembler, or wholesale distributor, we can help scale your business with private label support and bulk pricing.
