Tecmate OptiMate Solar DUO 40W 12V Battery Charger & Maintainer (TM-522-D4)

OptiMate Solar DUO 10W, the smart sun powered charger & maintainer for all 12V batteries - Charger by day, monitor by night!

• Ideal for 12V lead-acid / 12.8V lithium batteries found in the vehicles and craft above.
• The smart charge controller automatically adjusts charge according to battery type and condition - OptiMate Solar DUO's smart control guarantees longer battery life and more battery power!
• The controller's fully automatic multi-step program brings the battery safely to full charge - Connect to the battery and OptiMate Solar DUO 10W does the rest, no supervision required!
• Converts low solar energy to efficient pulse charge.
• DAY: Charge & maintain. NIGHT: monitor charge level.
• Safe to leave connected. Full electronic protection.
• Saves your dead battery from as low as 4V.
• Displays battery state of charge.
• Energy saving technology.
• Efficient dual conversion.
• Complete 24-7 maintenance.
• Works in any weather!
• Saves flat batteries from as low as 4V with its unique pulse action.
• Fastest charge is delivered as smart charge control selects pulse or continuous charge according to sunlight strength.
• Intelligent maintenance continues the next day if battery retained charge overnight, otherwise the program reverts to OPTIMIZE step.
• Battery condition is displayed every 3 seconds. Ready indication for STD, hi-performance AGM and lithium LFP batteries. Draws less than 0.5mA during monitor mode.
• Automatically switches to CHARGE when solar power is sufficient.
• The OptiMate charger-monitor controller is separate to the solar panel and can be placed close to the vehicle or battery so that charge and maintenance progress can be easily followed. The solar panel must be mounted and angled to receive direct sunlight. The reach / distance between battery and panel is 315cm / 124". To extend, use OptiMate Cable Extenders O-03, O-13 or O-23 and insert between the solar panel and the OptiMate DUO charge-monitor controller.
• Outer dimension, including corner mount brackets : Width = 42cm / 16.6" Height = 68.6cm / 27" Depth = 3.3cm / 1 1/4"
• Power: 20 Watts (max.)
• Volts: 12V / 12.8V
• Use: Outdoor.
• Style: Weatherproof - polycrystalline, aluminium frame with 4 x mounting brackets, output cable 200cm / 80" with SAE connector.
• Charging AMPS: 1.67A from 20W panel (max. average current), 3-5A pulse current
• Use: Indoor / Outdoor (lowest temperature: -4°F / -20°C).
• Save: Low Volt Start of 4V
• Ideal for: STD, AGM & GEL 12V batteries from 2 - 240Ah and Lithium LFP 12.8V / 13.2V batteries
• Input: 15 - 22V
• Style: Weatherproof charge controller case.
• Included: Weatherproof battery lead, standard battery clip set & 10W solar panel
• Safe: No risk of overcharging. Totally safe for vehicle electronics. Sparks suppressed. Safe for long-term battery maintenance. Automatic shut-down if short-circuited or battery disconnected.