such as those made by HANFONG tech,WINIVERSAL,GAMATONG and others. These are the professional in solar controller and power inverter, with reasonable and competitive price-but with efficiency in the 90% to 95% range,they can save considerable cost on big system since they support 10 to 30% more power to the batteries.For more information,check our official website www.hanfong.net and website on Alibaba chinahanfong.en.alibaba.com
Most solar controller with kind of indicator,such as series of LED, or digital LCD.Many newer ones, such as the HANFONG tech,GAMATONG,WINIVERSAL MPPT, now have built in computer interface for control and monitoring.The simple always have only a dual small LED lamp,the kind of charge and you have power can show you.Include voltage and the current coming from the solar panel and the battery voltage can be display.Some of them also can display the value of current is being pull from the LOAD terminal.
All of our solar charge controller
that we have are 3 stage PWM type,and the MPPT series.More information you can check by our official website www.hanfong.net and website on Alibaba chinahanfong.en.alibaba.com.