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Basic Knowledge of Solar Charge Controller

Article source:www.olyssolar.com Popularity:59 Editor in charge:Solar controller man Release date:2017-09-18

Basic Knowledge of Solar Charge Controller


1、What’s  a solar charge controller

A charge controller, or charge regulator is basically a voltage and/or current regulator to keep batteries from overcharging and over discharging. It regulates the voltage and current coming from the solar panels going to the battery. Most "12 volt" panels put out about 16 to 20 volts, so if there is no regulation the batteries will be damaged from overcharging. Most batteries need around 14 to 14.5 volts to get fully charged.

2、Solar controller charging method

PWM: Pulse-Width Modulation

MPPT: Maximum Power Point Tracking

PWM and MPPT are the two different types of charging methods solar charge

controllers can use to charge batteries from a solar array/panel. Both

technologies are widely used in the off-grid solar industry and are both great

options for efficiently charging your battery. The decision to use PWM or MPPT

regulation is not purely based on which power charging method is “better” than

the other. Moreover, it involves determining which type of controller will work best in your system’s design.

3.Solar charge controller protection function

Solar charge controller general have multiple protection functions to ensure the battery life. General protection functions including battery high voltage protect, low voltage protection, overcharge protection, overload protection, short circuit protection, reverse polarity protection, temperature protection and so on .


4、 Humanized operation of Solar charge controller

Following the technology development, the operation of solar charge controller became more humanized. To ensure users can noted the PV system work process and read various parameters easy, our controller with following function:

★ LED instruction : Through the LED light state, you can know the current system charge status, battery status, and load running status.

★ LCD display: Through the controller LCD display screen, you can know states including PV voltage status, PV current status , battery voltage status, charge status, load status, load current, temperature status.

★ Infrared remote control: Normally come with street light controller. In order to programmed the operating parameters of the street lamp, infrared remote control can quickly set the operating parameters by one time, then you program other street lamp by one button, also you can always read the operating parameters by the remote unit easily.

★ External display meter: Through an external display meter, you can read various operating parameters of the controller in real time. Especially in RVs, or some medium and large power generation systems.

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