20A PWM Solar Panel Controller Battery Charge Regulator 12V/24V Auto With USB

SAFETY INSTRUCTIONS

1.Make sure your battery has enough voltage for the controller to recognize the battery type before first installation.

2.The battery cable should be as short as possible to minimize loss.

3.The regulator is only suitable for lead acid batteries: OPEN,AGM, GEL

it is not suited for nickel metal hydride, lithium ions or other batteries.

4.The charge regulator is only suitable for regulating solar modules. Never connect another charging source to the charge regulator.

 

PRODUCT FEATURES

1.Build-in industrial micro controller.

2.Big LCD display,with 5V USB charger

3. PWM charge management.

4.Build-in short-circuit protection,open-circuit protection,reverse protection,over-load protection.

5.Dual mosfet Reverse current protection ,low heat production.

 

SYSTEM CONNECTION

1.Connect the battery to the charge regulator - plus and minus.

2.Connect the photovoltaic module to the regulator - plus and minus.

3. Connect the consumer to the charge regulator - plus and minus.

The reverse order applies when deinstalling!

An improper sequence order can damage the controller!

 

DISPLAY

Display the battery voltage

This iron will be on when solar panel voltage is higher than battery voltage,and it will start charging.

Battery power iron

If this iron flashes means the battery voltage is too low and the output will be cut off until the battery voltage raise to 12.6V

Iron on means output is good.

 

TECHNICAL PARAMETER

MODEL

RTD1210

RTD1220

RTD1230

RTD4810

RLD4820

Batt voltage

12V/24V auto

48V

Charge current

10A

20A

30A

10A

20A

Discharge current

10A

20A

30A

10A

20A

Max Solar input

<50V

<80V

Bulk charge

14.5V

Float charge

13.7V

Discharge stop

10.7V

Discharge reconnect

12.6V

USB output

5V/0.8A

Self-consume

<10mA

Control mode

PWM

Operating temperature

-35~+60 °C

Size/Weight

150*78*35mm /150g

*all red color voltage X2 ,X4 while using 24V /48V system.


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  • All package need to wait 30 days(US only need 7-10 days),Please take care it.Less than 30 days,we can't take a refund.
  • If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it.
  • If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.
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