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USA stock ,20A MPPT solar charge controller solar regulator 15-30% more power 12V/24V, free shipping

USA stock 20A MPPT solar charge controller solar regulator 15 30 more power 12V 24V free
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USA stock 20A MPPT solar charge controller solar regulator 15 30 more power 12V 24V free
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Availability: in stock
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Price:  US $164.29 / piece
Sale price:  US $115.00 / piece

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20A MPPT solar panel charge controller solar regulator 15-30% more power 12V/24V, free shipping

We have this item in USA , UK, Germany and Australia. other country will shipped from China

1. Increases charge efficiency by 20% – 43%

2.High technology MPPT with LCD display, efficiency > 98%

3. Employs a DC converting circuit, conversion efficiency > 96%

4.MPPT demo displays the efficiency of this controller compared to PCM models

5.Functions as a power meter

6. LCD display shows the battery voltage, charging current, charging power, output status, output mode, time and accumulated power saving

7.Suitable for a wide range of batteries

8.Maximum charge and discharge current 20A

9.Five output modes: Manual,Standard,Timer,Light sensor,Light sensor on + Timer off.

10. Built in timer, suitable for a periodic discharge system such as solar street lights, solar pumps etc.

11. Over charge, over discharge, overload and short circuit protection

12. 3-stage charging algorithm, impulse, bulk and float

13. Fully Aluminium housing incorporating a large heat sink

14. Low stand-by power consumption


1 Make sure the voltage of the solar panel is within the range of the controllers acceptable voltage

2 Make sure the voltage of the battery is within the range of the controllers acceptable voltage

3 Suggested cable for the solar panel connection is 4mm2 copper core, 6mm2 cable for the battery connection Locate the battery as near as possible to the controller

4 Earth and lightning protection is needed when the system is installed

1. When the LCD shows “ABSORB” or “FLOAT”, the charging is not using MPPT, it uses PWM to control the precise voltage to protect the battery

2. The converter in the MPPT is the buck type and only charges when the voltage of the solar panel is higher than the battery voltage

3. The battery voltage must be higher than the over discharge protection setting, this is the precondition for the load to be turned on under all output modes

4. The load will be restarted when the battery voltage is higher than the voltage selected in the over discharge protection setting

5. If the battery is over discharged under the timer output mode, the load will be cut off, and only restarted when the battery is charged to above the restart

voltage setting

6. When the LCD backlight is off, pushing any button will switch it on again.The button doesn’t have any other effect on functions in this case

7. The LCD backlight switches off if there is no action for 30 seconds

Rated system voltage 12V/24V DC

Max open circuit voltage of solar panel 15— 42V DC

Max solar panel power 300W 12V / 600W 24V

(2) Max output current 20A

Max discharge current 20A

Over discharge voltage 10.2-12.5V (±0.2) 12V / 20.4-25.0V (±0.2) 24V

Restart voltage 10.3-13.5V (±0.2) 12V / 20.5-27.0V (±0.2) 24V

Constant voltage(Over charge) voltage 13.0-15.5V (±0.2) 12V / 26.0-31.0V (±0.2) 24V

Float voltage 12.5-14.5V (±0.2) 12V / 25.0-29.0V (±0.2) 24V

Converter type Buck

Converter efficiency > 96%

Max increase efficiency > 43%

Tracking efficiency > 98%

Precision of clock ±50S/Month

Charging algorithm PWM 3 stage

Stand by power consumption <15mA 12V / <25mA 24V

Operating temperature -20 to +50degree

Protect class IP22

Size 140(L) × 147(W) × 42(H) (mm)

Weight 550g

(1) Max input current: Solar panel maximum output current

(2) Max output current: Controllers maximum output current

1 piece 20A MPPT

1. All Goods are in stock, the transaction will be handled within 1 business day.

2. Items will be sent out within 3 days after we received your payment.

3. Please note us your contact details include your phone number for easy contacting from express guy.

Thank you for your kindly understand.

4. Item send by default China Post. Please contact if you need customized delivery method with express (DHL, FedEx etc.) but extra cost.

5. We will do our best to assist the shipping servicer if the goods have any accidents,delays or other issure during shipping.

Customs Tax & Duty:

The item send out from China, the price is not include the customs, tax, duties,these will be charged to buyers.

The terms of payment is suit for visa Credit Card, T/T, Western union,MoneyGram,paypal, etc.


Customers should inspect the item(s) and notify us within 7 days if have any problems. If you have any problem with your it em

please contact us before leaving feedback. All items must be issued an RMA number before they returned.

The shipping cost of return goods is to be paid by the Buyer.

It’s have 12 months Warranty from the date of purchase covering manufacturing defects.

This warranty excludes any damage caused by the human.


1. Please check the package and item carefully to make sure there is no problem .

2. If you do not satisfied with the item or get damaged item, p lease contact with us firstly before leaving nagative feedback,

we will resolve the problem to satisfy you.

3. Online surpport: monday to friday 9:00 am to 5:30 pm (GMT+8). (excluded public holiday)

4. If you are satisfied with our product, kindly leave full-stars ( ) and good feedback for us.

Your feedback will encourage us do it better in the further. Thanks!

The company committed to provide customers with high quality solar cells since 2004. As a manufacturer, we have more than 10 year

experiences in produce solar panels and renewable energy products. Also we have professional technical and customer team to

supply high quality solar cells and better customer service.

Now the solar cells have exported to Africa, Europe, America, some Middle East countries and some Asia countries.

We would like to be your best supplier in China.

Working Time: Moday to Friday 5 days





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Shipping Company Shipping Cost Estimated Delivery Time
DHL 3 - 7 days
UPS Expedited 3 - 7 days
EMS 5 - 14 days
Post Air Mail Free Shipping 15 - 45 days
Return Policy If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).
24/7 Customer Service (800) 927-7671