OptiMate 1 VoltMatic automatically adapts to the battery voltage (6V or 12V) – Connect to the battery and OptiMate 1 VoltMatic does the rest, no supervision required! Delivers 0.6 Amps charge current recommended for maintenance of smaller batteries. Charges and delivers long term maintenance – Connect to the battery and OptiMate 1 VoltMatic does the rest, no supervision required! MORE FEATURES: For lead-acid (Pb) 6V & 12V battery types including STD (with filler caps), AGM & GEL (sealed VRLA). Dust proof plug in case style. Safe to leave connected. Full electronic protection. Maintains battery at full charge and good health. Low Volt Start of 4V. Energy saving technology.√ Stand-by power less than 0.5W.√ Efficient 24-7 battery maintenance. Weatherproof. Rated for use down to -20°C / -4°F. IDEAL FOR: AGM, GEL & STD 6V or 12V batteries from 2 – 28Ah CHARGING AMPS: 0.6A (constant current) CHARGING VOLTS: nominal: 6V & 12V range: 4V - 14.4V OPERATION: Fully automatic STEPS: 4 FEATURES: CHARGE 6V & 12V lead-acid batteries. The VoltMatic micro-processor automatically makes the correct charge voltage selection. USE: Indoor (lowest temperature: -4°F / -20°C). INPUT: Global (100-240V 50-60Hz), high efficiency (CEC listed). STYLE: Dust proof plug-in case, with 12ft / 370cm charge lead ending in SAE connector. 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. INCLUDED: Weatherproof battery lead & battery clip set. WARRANTY: 3-year limited replacement warranty.