SUNYIMA MPPT 300W 24V/36V/48V/60V/72V Solar Boost Charge Controller Electric Car Electric Vehicle Charging Voltage Regulator
ID: 48179

SUNYIMA MPPT 300W 24V/36V/48V/60V/72V Solar Boost Charge Controller Electric Car Electric Vehicle Charging Voltage Regulator

5.0 (18 votes) | 86 orders
Price: US $63.00 - 85.50 / piece
Discount Price:
US $ 53.20 - 68.40 / piece
Ships From

Dear buyers:
    After 3 years of market inspection and upgrading, the quality of the new version is more stable, 24V/36V/48V/60V/72V/multi-voltage can be set by yourself, suitable for various battery types, high charging efficiency, and can display real-time panel voltage and charge current and battery voltage.
This product can be applied to a variety of batteries, including lithium batteries, iron lithium batteries, lead-acid batteries, etc. (battery voltage 24V/36V/48V/72V, etc.), Customers can set various battery charging parameters through the SET button, or can leave a message to Customer service, tell you the battery voltage you are using, we will help you set it.

Why choose us:

-1. Advanced MPPT maximum power point tracking technology, the maximum tracking efficiency is 97%, which can save the energy of the solar panel and reduce the cost of the solar panel.

-2. Using high-quality components to improve system performance, the maximum conversion efficiency of 97%.

-3. Ultra-fast maximum power point tracking speed while ensuring tracking efficiency.

-4. The 4 digital tube of this machine has the functions of real-time display of battery board voltage, charging current, battery voltage, etc., which is convenient for clear display of charging status. And this product allows customers to freely set battery voltage and charging parameters.

-5.The wide PV array maximum power point operating voltage range of 12V-50V.

-6. Directly display the design with each parameter, dynamically display the operating data and working status of the device, battery board voltage, charging current, battery voltage, etc.

-7. Solar panel power-taking technology, standby power consumption is 0, the system power consumption all come from the battery board, not working at night.

-8. This product supports customers to manually set the battery voltage and charging parameters through buttons. It can be applied to a variety of battery types, such as lithium batteries, iron lithium batteries, nickel metal hydride batteries, lead acid batteries, gel batteries and other various models. battery.

-9. with a child lock function to prevent accidental touch buttons caused by charging errors.
1. MPPT high-efficiency charging mode, charging efficiency 97%;
2. Overcharge protection function to effectively protect the battery from overcharging;
3. Anti-reverse protection, battery and battery board have anti-reverse protection;
4. Short circuit protection, with child lock, safe and convenient;
5. Can be applied to a variety of batteries, battery board power, standby power consumption is 0.
Child lock instruction ! ! !
-Open the controller with 4 screws on the side of the digital display tube, you can see a 2-digit DIP switch, the ON position is the child lock opened, and the 1 2 position is the child lock closed. The factory default is the child lock closed.
-Please install the personnel to turn the DIP switch to the ON position after the controller installation and debugging is completed,in case  the child lock is turned on to prevent the charging error caused by accidental touch. If you need to set the next time you can dial back to the 1 2 position, you can cancel the child lock.
* This solar boost charging controller requires the solar panel voltage is lower than the battery voltage, the panel power is less than 300W, such as to charge 48V battery, it is best to use 36V or 30V panel, can also use 18V panel
Package List:
-1Pcs * MPPT Boost Solar Charge Controller 

  • Brand Name: SUNYIMA
  • Origin: CN(Origin)
  • Type: Controller
  • Model Number: CTK-EV-300
  • Feature 1: Aluminum alloy
  • Feature 2: MPPT
  • Feature 3: solar controller
  • Feature 4: mppt solar charge controller
  • Feature 5: solar power
  • Feature 6: Solar cell phone charging
  • Feature 7: solar generator
  • Feature 8: MPPT solar charge
  • Feature 9: solar charging


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

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 location we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

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
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information.

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

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

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


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time(60 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 receive 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 CNTRONIC Consumer Electronics Retailer (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (60 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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If you would like to get a discounted price for your large purchase orders, fill in the required blanks along with your email address, the product Item ID # and/or the link of the item that you want to order, item quantity (minimum of 30 pieces), shipping country and payment method is required. We will contact you with a discounted price as soon as we receive your inquiry.

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