20A MPPT Solar Charge Controller T20A

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Item Specifics
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Product Details

20A MPPT Solar Charge Controller T20A

Buy this amazing Solar Charge Controller T20A for your solar panels. Not only that 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.

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.

Note:It is high quality compatible MPPT + PWM Solar Controllers  but not 100%  MPPT charge controller 

“T”series of an intelligent multi-purpose solar charge controller

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


1pcs 20A MPPT Solar Charge Controller T20A

1pcs Temperature Sensor

1pcs English User Manual

Only One Screen to show all the charging information.

20A MPPT Solar Charge Controller T20A


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 Controller T20A

Data Sheet:

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

Specification For 20A MPPT Solar Charge Controller T20A 

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 thermistats
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)

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
 143x89x46 mm
Maximum power current:
 PV system
 20A MPPT Solar Charge Controller T20A
Model Number:
Maximum Current:
 Collector Controller,Lighting Controller,Thermal Controller,Solar System Controller,Charger Controller,Solar Working Station,Voltage Controller
Charge mode:
Temperature compensation:
Maximum Input voltage:
 18V-24V (12V system) 36V-48V (24V system)
Solar panels maximum voltage:
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.

Do you ship worldwide?

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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We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

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My tracking says “no information available at the moment”.

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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 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.


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

Why Buy From Us

A few reasons why buy from us:

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.

It's okay to change your mind! You can send your order back for a full refund, we've got you covered with our full Buyer protection.

Brand new products are available on a regular basis.

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