Magic series solar charge controller is a sort of DIY MPPT controller. This serise MPPT solar controller fits for 12V 24V as well as 10A~60A. It has a 4-stage battery charging algorithm for rapid,effienct,and safe battery charging.MPPT charge:In this stage,the battery voltage has not yet reached boost voltage and 100% of available solar power is used to recharge the battery.
Then boost charge,float charge and equalize charge.
20A 12V 24V MPPT solar charge controller Protections,troubleshooting and maintenance
1.PV over current
The controller will limit charging power in rated charge power.An over-size PV array will not operate at maximum power point.
2.PV short circuit
When PV short circuit occurs,the controller will stop charging.Remove it to start normal operation.
3.PV reverse polarity
Fully protection against PV reverse polarity,no damage to the controller.Correct the connection to start normal operation.
4,Battery reverse polarity
Fully protection against battery reverse polarity.no damage to the controller.Correct the connection to start noma operation.
5.Battery over voltage and discharge
If there are other energy sources to charge the battery,when the battery voltage exceeds 15.5/31/62V,the controller will stop charging to protect the battery from overcharging damage.
When battery voltage drops to the setting voltage point of low voltage disconnect.
6.Load Over current protection
If the load current exceeds the maximum load current rating 1.25 times,the controller will disconnect the load.
7.Load short circuit protection
Once the load short circuit happens,the load short circuit protection will start automatically.
8.Over temerature protection
9.Damaged remote temperature sensor
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