OptiMate Solar 80W: 6-step 12V 6.67A sealed solar battery saving charger & maintainer. The smart sun powered 24-7 charger & maintainer for all ‘12V’ lead-acid batteries. Charger by day, monitor by night! Ideal for 12V lead-acid (AGM, GEL, STD) / deep cycle batteries. The smart charge controller automatically adjusts charge according to battery type and condition. OptiMate Solar’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 80W does the rest, no supervision required! SMART DUAL CONVERSION: 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 1V. Displays battery state of charge. Green Technology: Energy saving technology. Efficient dual conversion and Complete 24-7 maintenance. IP54: Works in any weather!