TecMate Solar Duo Charger Controller - TM522-D
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Product Information
Full details
The TecMate Solar Duo Charger Controller (TM522-D) is designed for motorcycle owners who want a smart, 24/7 battery care solution powered by the sun. Its key benefit is maintaining 12V lead-acid and lithium batteries (2Ah-240Ah) using solar energy, converting low solar power into high-current pulses for effective charging. A potential caveat is its reliance on direct sunlight for optimal performance, and the 14-foot cable limits the distance between the solar panel and the battery. This controller features a 10-watt high-efficiency solar panel, a weatherproof charge controller, and a low-volt start capability.
All features
| Model Part Number | TM522-D |
|---|---|
| Brand | Tecmate |
Extended Product Information
FAQs
What types of batteries can the TecMate Solar Duo Charger Controller charge?
It is compatible with 12V EFB, STD, AGM, Gel, Lead-Acid, and Lithium batteries.
What is the maximum battery capacity supported?
The controller supports batteries ranging from 2Ah to 240Ah.
How long is the cable between the solar panel and the controller?
The standard cable length is 14 feet (approximately 4.27 meters). It features SAE connectors, allowing for optional extension.
Can this charger maintain a battery in freezing temperatures?
Yes, the weatherproof charge controller case is designed to withstand temperatures down to -4°F (-20°C).
Does the unit come with everything needed to connect to a battery?
Yes, the package includes a solar panel, weatherproof charge controller, standard battery clip set, and a battery lead.
What is the wattage of the solar panel?
The solar panel is 10 watts and is designed for high efficiency.
Can this charger be used for car batteries?
While primarily designed for motorcycle batteries, it can be used for any 12V lead-acid or lithium battery within the 2Ah-240Ah capacity range, including smaller car batteries or secondary batteries.
Troubleshooting
Solar panel not charging the battery
Ensure the solar panel is receiving direct sunlight. Check that all connections (SAE and battery clips) are secure and correctly polarized. Verify the battery voltage is above 1V. Clean the solar panel surface.
Charger not starting a deeply discharged battery
The unit has a low-volt start of 1V. If the battery is below 1V, it may require a separate manual charge to bring it above this threshold before the TecMate controller can take over.
Weak charging performance
Clean the solar panel surface. Ensure the panel is optimally angled towards the sun. Check for any obstructions or shading on the panel. The 10W panel is designed for maintenance; it may not rapidly charge a heavily depleted battery.
Controller or connections show corrosion
Disconnect the unit. Clean the SAE connectors or battery clips with a suitable contact cleaner. Ensure connections are dry before re-attaching.
Pros and Cons
Pros
- Environmentally friendly, solar-powered operation.
- Maintains battery health effectively with smart pulse technology.
- Versatile compatibility with various 12V lead-acid and lithium batteries.
- Durable and weatherproof design for outdoor use.
- Low-voltage start function is beneficial for neglected batteries.
- Offers flexibility in placement with a 14-foot cable.
Cons
- Performance is dependent on sufficient sunlight.
- The 14-foot cable may be limiting for some installations.
- Requires manual connection to the battery.
- Not suitable for charging batteries above 12V.
- Solar panel placement needs careful consideration for maximum exposure.
Setup, Compatibility & Care
Setup
- Position the Solar Panel: Place the 10-watt solar panel in a location that receives direct sunlight for the majority of the day. Avoid shaded areas.
- Connect the Controller: Attach the weatherproof charge controller to the solar panel using the provided SAE connector.
- Connect to Battery: Use the included battery lead or standard battery clips to connect the charge controller to your 12V battery. Ensure correct polarity (+ to +, - to -).
- Extend Cable (Optional): If more distance is needed between the panel and the controller, use an SAE extension cable.
Compatibility
- Battery Types: Compatible with 12V EFB, STD, AGM, Gel, Lead-Acid, and Lithium batteries.
- Battery Capacity: Supports batteries ranging from 2Ah to 240Ah.
- Voltage: Operates with 12V systems only.
Care
- Cleaning the Solar Panel: Periodically wipe the solar panel with a soft, damp cloth to remove dust, dirt, or debris that can reduce efficiency. Avoid abrasive cleaners.
- Connections: Ensure all SAE and battery clip connections are clean and secure. Check for corrosion and clean if necessary.
- Controller Placement: Keep the charge controller in its weatherproof case and ensure it is protected from excessive moisture or extreme temperatures beyond its operating range (-4°F to 122°F / -20°C to 50°C).