0 ratings
OptiMate Solar Duo TM-522-D, 5A Solar Charge Controller for 12V  12.8V Batteries
Smarter charging with automated adjustments for battery type and condition!
OptiMate Solar Duo TM-522-D, 5A Solar Charge Controller for 12V  12.8V Batteries
Item #: 108022443

OptiMate Solar Duo TM-522-D, 5A Solar Charge Controller for 12V 12.8V Batteries

Item #: 108022443

SHP 126

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Saturday, July 18
Our Top Logistics Partners
  • fedex
  • dhl
Smarter charging with automated adjustments for battery type and condition!
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified


paypal payment
visa payment
mastercard payment
Note: Step 1 Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Efficient Charging
The Solar Duo TM-522-D ensures optimal charging for both 12V and 12.8V batteries, maximizing energy usage from solar panels and enhancing battery life.
User-Friendly Design
With an intuitive interface and clear LED indicators, this controller allows for easy monitoring and adjustment, simplifying the solar power experience for both beginners and experts.
Durable Construction
Built with robust materials, the TM-522-D is designed to withstand harsh weather conditions and extend product lifespan, offering reliable performance in various environmental settings.

Product Details

Shop OptiMate Solar Duo TM-522-D, 5A Solar Charge Controller for 12V 12.8V Batteries online at a best price in Saint Helena. B099NLG3SJ
Item Weight1 lbs (450 grams)

Dangerous Goods

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

Who Should Buy?

Suitable For
  • Beginner Users

    Ideal for those new to solar setups, offering user-friendly features and straightforward installation.

  • Small Solar Systems

    Perfect for small scale solar systems, efficiently managing battery charging for off-grid applications.

  • Budget-Conscious

    A cost-effective solution for users seeking reliable solar charge controller without breaking the bank.

Not Suitable For
  • High-Power Systems

    Not suitable for larger solar installations requiring more charging capacity than the 5A it supports.

  • Advanced Users

    May lack advanced features needed by experienced users, such as detailed monitoring or customization options.

  • Multiple Battery Types

    Not ideal for setups needing to manage various battery chemistries or configurations simultaneously.

Product Description

OptiMate Solar Duo TM-522-D, 5A Solar Charge Controller for 12V 12.8V Batteries

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the Solar Duo TM-522-D solar charge controller designed for?

    Answer: The Solar Duo TM-522-D solar charge controller is specifically engineered for regulating the charging of 12V and 12.8V batteries. This means it's great for solar energy systems, ensuring that your batteries are optimally charged while preventing overcharging. Solar charge controllers like this improve efficiency by managing power flow, which is essential in off-grid solar applications and for RVs or boats. With this controller, you can maximize battery lifespan and performance by ensuring that they are charged correctly.
  • Question: How does the charging process work with the Solar Duo TM-522-D?

    Answer: The Solar Duo TM-522-D employs Pulse Width Modulation (PWM) technology to control the charging process. PWM allows for a steady output voltage, effectively reducing the chances of overcharging, which can damage your batteries. As sunlight varies throughout the day, the controller adjusts the charge to match the solar panel output, ensuring optimum battery health. This functionality is essential for solar-powered systems, extending battery life and improving overall energy utilization.
  • Question: Can I use the Solar Duo TM-522-D with different battery types?

    Answer: The Solar Duo TM-522-D is primarily designed for flooded lead-acid and sealed batteries, including AGM and gel types. However, it's crucial to check the compatibility specifics for your battery type as the charging requirements can differ. Using this charge controller properly aligns the charging cycle with the specific chemistry of your batteries, enhancing longevity and performance. This is particularly useful if you're setting up a solar energy system with a mixed battery bank.
  • Question: What are the key features of the Solar Duo TM-522-D?

    Answer: The Solar Duo TM-522-D features an intuitive interface with LED indicators for straightforward monitoring of charge status. It supports a maximum solar input current of 5A, ensuring efficient energy management. Furthermore, it incorporates advanced safety features like reverse polarity protection and overcharge protection. These features make this controller a robust choice for various applications, from powering remote cabins to supporting RVs and marine setups.
  • Question: Is the Solar Duo TM-522-D suitable for outdoor use?

    Answer: Yes, the Solar Duo TM-522-D is designed to be durable, making it suitable for outdoor applications. Its enclosure is built to withstand varying weather conditions, allowing reliable performance in outdoor setups, such as solar panels installed at campsites or on boats. This resilience ensures that you can maintain a steady charge on your batteries regardless of external conditions, making it an excellent choice for off-grid living or recreational use.
  • Question: How do I install the Solar Duo TM-522-D charge controller?

    Answer: Installing the Solar Duo TM-522-D charge controller involves connecting the solar panel to the controller, followed by connecting the battery. Make sure you connect the positive and negative terminals correctly to avoid damage. Clear installation instructions are usually provided with the product, detailing the wiring setup and safety precautions. For many users, this straightforward installation process allows them to quickly set up their solar systems without professional help, enabling immediate start of harnessing solar energy.
  • Question: What maintenance is required for the Solar Duo TM-522-D?

    Answer: The Solar Duo TM-522-D requires minimal maintenance, primarily involving regular checks of connections and ensuring that there is no debris obstructing airflow around the unit. Periodically monitoring the charge status using the LED indicators ensures that your solar system functions optimally. As with any solar setup, cleaning the solar panels and ensuring that the controller remains dry and free from corrosion are additional steps to ensure longevity and efficiency.
  • Question: Can the Solar Duo TM-522-D charge multiple batteries?

    Answer: The Solar Duo TM-522-D can charge a battery bank if the batteries are connected in parallel, ensuring that they maintain the same voltage. However, it is essential to make sure that the total capacity and charge requirements of the battery bank align with the specifications of the charge controller. Successfully using the controller in this way provides a robust energy solution for applications needing higher storage capacities, such as for home solar systems or large mobile setups.
  • Question: What is the maximum solar panel rating I can use with the TM-522-D?

    Answer: The Solar Duo TM-522-D can effectively manage a maximum solar panel rating that provides a total input current of up to 5A. When selecting solar panels, ensure their combined wattage does not exceed this rating. This limitation guarantees optimal performance while preventing damage to the controller. Understanding your panel ratings is vital for efficient system design, particularly when working with off-grid solar power applications where maximizing energy generation is crucial.
  • Question: Where can I buy the Solar Duo TM-522-D, 5A Solar Charge Controller for 12V / 12.8V Batteries?

    Answer: You can purchase the Solar Duo TM-522-D, 5A Solar Charge Controller for 12V / 12.8V Batteries from Ubuy. They offer a range of products and competitive options tailored for your needs in Saint Helena. Shopping through Ubuy ensures that you have access to reliable service and a comprehensive selection of solar charge solutions.

OptiMate Energy Controllers Editorial Review

No editorial reviews found

Customer Reviews & Ratings

5.0
1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.3/5 9,000 + reviews
Read reviews
MT
Mohd
Verified buyer

“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer

“Accurate delivery timing given”

16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer

“Not madly expensive like I thought, and much quicker than promised.”

15 June 2026 · via Trustpilot
LM
Leila
Verified buyer

“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer

“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.