20A MPPT Solar Charge T20A Controller

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Item Specifics
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Product Details

20A MPPT Solar Charge T20A Controller

Looking to buy Solar Charge controller, get one of these Solar Charge T20A Controller. It comes with LCD display and load dual timer control with  12V 24V for Max 48V Input . The model is Model T20A, 20A MPPT.

it comes with efficient MPPT controller charging function to automatically track the maximum power point,10%-30% higher than the ordinary controller charging efficiency, it also has standby energy saving mode more than 30% energy than ordinary controller. The standby power consumption is only 10mA – 15mA.

T10,T20 10A 20A Solar Charge Controller Dual timer

This is a three-time controller into;

A: Time(evening working)

B: Time(Pause working)

C: Time(dawn working)

It can be used according to your needs by setting the time.



1.1PCS20A MPPT Solar Charge T20A Controller T20

2.1PCS User Manual

20A MPPT Solar Charge T20A Controller


Product introduction

LCD screen display

Battery reverse discharge protection

Easy operation interface

Battery reverse polarity protection

MPPT+ PWM charging mode

Battery under voltage protection

Parameter user can reset Overload

Short-circuit protection

A key to restore the factory settings

USB 5V charging (for 500mA) for mobile phone(Only for T30)

A key to open and close the load

Automatic temperature compensation function

Dual Timer function

20A MPPT Solar Charge T20A Controller


Parameters / Model T10 T20 T30 T40
Maximum power current 12A 20A 30A 40A
Installation Lin mm2 4mm2 8mm2 10mm2 12mm2
Installation Line(AWG) 10(AWG) 8(AWG) 7(AWG) 6(AWG)
Weight 280g 300g 475g 480
Dimensions 143×89×46 mm 187*97*61 mm
System load loss ≤13mA
Loop Buck ≤100mV


Battery float voltage 13.8V 12V system /27.6V 24V system
Battery under voltage) protection 10.6V 12V system /21.2V 24V system
Battery (under voltage) recovery voltage 12.6V 12V system /25.2V 24V system
Charge mode MPPT+PWM MODE
Operating Temperature -10~60°C
Storage Temperature -30~70°C
Humidity requirements ≤90%, No condensation
Temperature compensation -4mV/Cell/°C
Temperature Probe (built components) NTC 100K thermostats
Maximum open circuit voltage of the solar panel 18V-24V 12V system 36V-48V 24V system)
Solar panels maximum open circuit voltage (V) ≤48V

(Cases) 12V system standard configuration

The peak voltage of the solar cell panel 18V-25V 18V-25V 18V-25V 18V-25V
Peak power of solar cell panel 50W-130W 100W-260W 200W-380W ≤500W
Model T10 T20 T30 T40
Battery standard voltage 12V 12V 12V 12V
Battery capacity ≥100AH ≥200AH ≥300AH ≥400AH
Installation Lin mm2 4mm2 8mm2 10mm2 12mm2
Installation Line(AWG) 10(AWG) 8(AWG) 7(AWG) 6(AWG)


1 year warranty.

Item Specifics
Battery (under voltage) recovery voltage:
 12.6V 12V system /25.2V 24V system
Battery under voltage) protection:
 10.6V 12V system /21.2V 24V system
Battery float voltage:
 13.8V 12V system /27.6V 24V system
 Lighting Controller
Maximum Current:
 20A MPPT Solar Charge T20A Controller
Model Number:
Temperature compensation:
Solar panels maximum voltage:
 20a solar charge controller
Shipping & Payment


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Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

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Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

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How long does shipping take?

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Location *Estimated Shipping Time
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Canada, Europe 10-30 Business days
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Central & South America 15-30 Business days
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Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

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If you have any other questions, please contact us and we will do our best to help you out.


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If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
If you received the wrong item you can request a refund or a reshipment.
If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of Power And Solar Shop (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of https://powerandsolar.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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We try our best to make your shopping experience not only pleasant, seamless and hassle-free, but also secure.

Enjoy flexible international shipping services that currently operate in over 200 countries across the world.

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