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"30A Solar Charge Controller with LCD Display & Dual USB - 12V/24V Auto PWM Regulator for Solar Panels"  

(Character count: 98)  

Alternative option with more details:  
"Smart PWM Solar Charge

<ul><li>Efficient solar charge and discharge controller optimizes power delivery from solar panels to batteries</li><li>Intuitive LCD display with one-key operation simplifies system control and monitoring</li><li>Comprehensive protection against reverse connection, short circuit, and over current enhances system safety</li><li>Dual USB output supports up to 2.5A with 12V/24V automatic voltage adaptation</li><li>Automatic disconnection and data storage ensure safe and user-friendly operation</li></ul>

Model

Feature:
1. The role of the solar charge and discharge controller is to adjust the power delivered from the solar panel to the battery.
2. Use LCD display, all settings can be completed by one‑key operation. Extremely convenient and intuitive to use to control the working status of the entire system.
3. Dual USB output, maximum current up to 2.5A, system voltage 12V/24V automatic adaptation.
4. Automatic disconnection when the battery is full, automatic memory data storage, easy to use.
5. Perfect protection function, electrical protection for reverse connection, short circuit, over current, etc.

Specification:
Conditon: 100% Brand New
Item Type: Solar Charge Controller
Material: Plastic
Color: As Pictures Shown
Optional Model: z10, z20, z30
System Voltage: 12V/24V Automatic Adaptation
Rated Charging Current: 10A 20A 30A
Rated Discharge Current: 10A 20A 30A
Maximum Photovoltaic Voltage: Maximum 23V for 12V Battery; Maximum 46V for 24V Battery
Boost Charging Voltage: 14.4V
Floating Voltage: 13.7V (Default Value, Adjustable)
Discharge Cut-Off Voltage: 10.7V (Default Value, Adjustable)
Discharge Recovery Voltage: 12.6V (Default Value, Adjustable)
Charging Recovery Voltage: 13V
Light-Controlled Turn-On Threshold: PV Panel 8V (Light-Controlled Turn-On has a Delay)
Standby Current: ＜10mA
Working Temperature: -35℃-60℃
USB Output: Dual USB Output, 5V/2.5A (Maximum)

Package List:
1 x Solar Charge Controller1 x Manual

Note:
Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.

"30A Solar Charge Controller with LCD Display & Dual USB - 12V/24V Auto PWM Regulator for Solar Panels" (Character count: 98) Alternative option with more details: "Smart PWM Solar Charge