OptiMate20W 12V Solar DUO Battery Charger (Model: TM522-D2)

About

Harness the power of the sun to keep your batteries charged and ready to go! The OptiMate Solar DUO 20W is a smart solar-powered battery charger and maintainer designed for 12V lead-acid and lithium batteries. Ideal for cars, motorcycles, bakkies, farm equipment and deep-cycle batteries, it automatically charges in daylight and monitors battery condition at night.

Product Features

• Solar-Powered Charging: Uses a 20W polycrystalline solar panel to harness sunlight, even in variable weather conditions.
• Dual Battery Compatibility: Works with compatible 12V lead-acid and 12.8V/13.2V LiFePO₄ lithium batteries.
• Smart Charging Technology: Converts solar energy into efficient charging pulses to help recover and charge batteries.
• Automatic Maintenance: Regulates charging and maintains battery levels without overcharging.
• Day-and-Night Monitoring: Automatically switches between charging and monitoring modes, with four LED indicators displaying battery status.
• Low-Voltage Recovery: Can help recover compatible batteries from voltages as low as 4V.
• Weatherproof Design: Suitable for outdoor use, with a weatherproof solar panel and charge controller.
• Easy Connection: Includes battery clamps and a fused battery lead for convenient connection.
• Added Peace of Mind: Features spark suppression, short-circuit protection and a 3-year limited replacement warranty.

Product Specifications

• Brand: OptiMate
• Model: Solar DUO TM522-D2
• Product Type: Solar battery charger and maintainer
• Solar Panel Power: 20W maximum
• Solar Panel Type: Polycrystalline
• Panel Voltage: 17V at maximum power; open-circuit voltage up to 22V
• Compatible Battery Voltage: 12V lead-acid and 12.8V/13.2V LiFePO₄ lithium
• Compatible Lead-Acid Types: Standard/flooded, AGM and GEL
• Maximum Average Charging Current: 1.67A
• Pulse Charging Current: 2–5A
• Controller Output Voltage Range: 4V–14.4V
• Battery Capacity Suitability: 2–240Ah for compatible lead-acid batteries
• Solar Panel Dimensions: Approximately 45.5 × 36.2 × 2.6cm, including corner mounting brackets
• Warranty: 3-year limited replacement warranty

What's in the Box?

• 1x OptiMate 20W solar panel with integrated corner mounting brackets and cable
• 1x OptiMate TM522-D smart charge controller and battery monitor
• 1x O-04 crocodile clip set
• 1x O-01 fused battery lead with M6 ring terminals
• 1x Instruction manual