Renogy ViewStar 20 Amp Negative Grounded PWM Charge Controller with LCD DisplayBest Renogy ViewStar 20 Amp Negative Grounded PWM Charge Controller with LCD Display Cheap. and Renogy ViewStar 20 Amp Negative Grounded PWM Charge Controller with LCD Display Prices in USA.
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Product Description
The main advantage of Pulse Width Modulation (PWM) is that power loss in the switching devices is very low.
When a switch is off, there is practically no current. When the device is on, there is almost no voltage drop across the switch. Power loss, being the product of voltage and current, is thus in both cases close to zero.
PWM also works well with digital controls, which, because of their on/off nature, can easily set to the needed duty cycle.
The ViewStar Series Controller is designed based on advanced PWM charging technology, and is suitable for off-grid solar applications. With a range of 0-100%, it can charge the battery quickly and safely under almost any condition of the solar photovoltaic system.
It protects the battery from becoming over-charged and over-discharged. The charging process has been optimized to provide for longer battery life and improved system performance.
Features
- Excellent EMC design, high efficient PWM charging, nominal system voltage auto recognition. Can be use for sealed, gel and flooded battery.
- Dot-matrix LCD screen with backlit and HMI (human-machine interface), full control of parameter setting; charging parameters can be adjusted.
- Unique dual timer function; enhance the flexibility lighting systems, Automatic recognition of day and night.
- Temperature compensation and correcting the charging and discharging parameters automatically, improving battery lifetime.
- Electronic protection: Overcharging, over-discharging, overload, and short circuit; reverse protection: Any combination of solar module and battery, without causing damage to any component.
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