10A 12V/24V DUO Solar controller for 2 independent batteries


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SKU: 303C12V10DM1 Category:


10A 12V/24V DUO Solar controller for 2 independent batteries

*high quality at the best price*

This Dual-battery solar controller is an advanced, two-battery controller which is suitable for caravans and boats. It will charge two separate, isolated battery banks at the same time using selectable priorities.
There is an optional LCD remote meter available (MT-1). You can set the initial charging priority (e.g. 80% of power to go to the engine battery and 20% to leisure battery). When one of the batteries is fully charged the controller will automatically divert all power to the other battery.
The unit can work with only 1 battery. You can add a second battery later.

PWM controllers maintain a higher state of charge in the battery bank than old-fashioned on-off regulators.
Use the latest charging technologies combined with state of charge determination enable optimal battery maintenance and module power monitoring. A display informs the user about all operating modes with the aid of symbols. The state of charge is represented visually in the form of a tank display. Data such as voltage, current and state of charge can also be displayed digitally as figures on the display.

Product Highlights:

  • Load and battery status indicators. Two battery charging priority (from 0-100%).
  • Intelligent control system status.
  • Adjustable charge-discharge control parameters
  • Ability to select the battery type to be connected.
  • Electronic protections: Reverse polarity, short circuit, overcharge and over discharge protections



  • Rated Voltage: 12V/24V auto

  • Rated Current: 10A

  • Float voltage: 13.7V

  • Discharge cutoff voltage: 11.1V

  • Self-consumption: 4mA at night, 10mA at charging

  • Working Temperature: -35°C to +55°C

  • Dimensions: 153*76*37mm

  • Weight: 200g


Terms of Sale

Payment methods

The customer can choose between card payment and PayPal
– Card payment:
This payment method is safe; we comply with the PCI DSS Certification (Payment Card Industry Data Security Standards), which requires a strict control of the processing of financial data of our customers. All bank details provided in the processing of your payment are encrypted on a secure platform that makes use of the latest encryption and authentication technology. Validating your purchase with this payment method implies direct authorization to the bank of the card that you have used to make the payment of your order.
– PayPal:
This is an Internet payment method that allows you to make safe (protected by SSL protocol), easy and quick payments, with a simple and easy registration. Also, your PayPal account is free. Your bank details are only stored on PayPal. Your order will be registered once the payment has been confirmed on PayPal’s website. Charge to your account shall be made when the order has been placed.

Shipment policy

Shipping are carried out within 1 to 3 working days once the payment notification for the order has been received. Once it has been shipped, the delivery of your order shall be made within 24-48 hours for national shipping and 3-4 days for international shipping.
When the order is processed in our warehouses, you will receive an e-mail indicating the transport company and the tracking number for consultation.
Shipping costs shall depend on the final weight of your order and the location where it must be sent to.
The shipping cost is automatically calculated when you place the order on the website and it will also be shown before you confirm your order. The costs include insurance, which covers breakage, loss or theft.
Please consider that estimated dispatch times are, indeed, mere estimations. They are not guaranteed dispatch times and, therefore, they cannot be assumed as such.

Return policy and right to cancel

All products sold by Viasolar Energy are subject to the general return policy.
For products that have been damaged during shipping, defective or incorrect, Viasolar Energy offers the return of the product.
Additionally, you can cancel your order without justification.
In the event of damaged, defective or incorrect products, as well as in the case of cancellation, you must inform us about your decision of returning the product. Sending a notice before 15 days from the date of reception of the order is sufficient.
Viasolar Energy does not assume the ownership of the returned product until it has been received. Viasolar Energy reserves the right, at its sole discretion, to reimburse the amount of the product without requiring its return. In such case, the ownership of the product shall not be Viasolar Energy.
Viasolar Energy shall reimburse the amount of the product and shipping costs, no later than 15 days after we receive the notification mentioned above (provided that the product has been returned to us). Viasolar Energy shall use the same payment method that you used in the initial transaction, unless another method is agreed. In any case, you shall not bare any fees that may arise from said reimbursement. We may withhold the reimbursement until we have received your returned items.
Please consider that you will need to return the items following the available instructions, within 15 days after the day on which you notified us your decision.
In the event of cancellation, you will have to bear the direct costs of the return of said items.


Esta entrada también está disponible en: Spanish

Additional information

Weight 0.2 kg
Dimensions 15 × 7 × 3 cm


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