12/24V 20A PWM Solar Charge Regulator for RV Camper, Yacht Marine and Off-Grid Battery System

The PWM solar controller is used to control the photovoltaic panel to charge the battery. Adopt PWM charging mode. Compared with the ordinary solar controller, the charging speed is faster, the safety performance is higher, the charging conversion efficiency is 75 ~ 80%. It has the function of protecting the battery from overcharging and overdischarging.

• 12v/24v voltage automatic identification system.
• Athree-stage charging PWM algorithm, discharge or timing to an equalizing charge of battery.
• Prevent battery imbalance and sulfide phenomenon, improve the service life of the battery.
• Using temperature compensation, automatic adjust charging parameters.
• Rich load working mode, easy to use in all kinds of dc load.
• Have overcharge, discharge protection, overload protection, and electronic short circuit protection.
• Load using advanced methods, can start the large capacitive load.
• Use graphic dot-matrix LCD, and key man-machine interface operation.
• Browsing, dynamic interface humanization design, convenient intuitive operation.
• Level of industrial design, can be used in all kinds of bad environment.
• TVS lightning protection.

Product Parameters

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Relevant Information

The commercial application of pulse-width modulation (PWM) technology regulates the charging current through digital circuits, which effectively solves the core problem of “insufficient charging”. The conversion efficiency has been improved to 70%–80%. Meanwhile, the product structure is simplified, production costs are reduced, and product reliability is significantly enhanced. This technological advancement laid a solid foundation for the large‑scale application of solar charge controllers in various off‑grid photovoltaic systems.