Solar Charge Controller, 30A Panel 12V/24V PWM Auto Parameter Adjustable LCD Display Battery Regulator with Dual USB Port

【Wide Automatic 12v/24v Compatibility For Lead Acid Batteries】20A rated discharge solar charge controller auto-detects and switches between 12V and 24V power systems. Fully compatible with all lead-acid battery types including OPEN, AGM and GEL batteries. Not suitable for lithium-ion, NiMH or other non-lead-acid battery chemistries. 【Multiple Safety Protections To Guard Your Solar Setup】This solar regulator comes with comprehensive built-in safety functions: over-current, short circuit, reverse polarity, low voltage cut-off and overcharge protection. Reliable all-round safeguarding prevents damage to your batteries, solar panels and connected electrical loads. 【Smart Industrial Microcontroller With Memory Retention】Fitted with an integrated industrial microchip for automatic intelligent charging management. It permanently stores all custom user parameters, so settings do not reset or disappear even when the battery is fully drained. The controller automatically cuts output when battery voltage drops too low to avoid deep discharge damage. 【Clear Lcd Screen For Real-Time Data & Mode Adjustment】User-friendly intuitive LCD screen clearly shows real-time working status and system data. Quickly toggle working modes and adjust custom parameters directly on the unit. Ideal for domestic household, industrial workshop and commercial solar power installations. 【SIMPLE ONE-BUTTON OPERATION WITH CLEAR WIRING ORDER】Easy single-button design lets you swiftly modify all custom settings. Follow the standard wiring sequence for safe use: connect batteries first, then solar panels, and attach electrical loads last to avoid reverse connection faults during installation.