Check the listing for details. TecMate OptiMate 5 8-step 6V / 12V Sealed Battery Saving Charger and Maintainer. Condition: New. Listed at 92.95 USD. TecMate TM-321 OptiMate 5 8-step 6V / 12V Sealed Battery Saving Charger and Maintainer OptiMate 5 6V/12V is the smarter charger for all 6V and 12V lead-acid batteries – great for deep cycle batteries! Ideal for 6V and 12V deep cycle and starter (SLI) lead-acid batteries. Select the right charge voltage for your 6V or 12V lead-acid battery – Selection remains in memory even if AC power is lost. Fully automatic multi-step program brings the battery safely to full charge – Connect to the battery and OptiMate 5 6V/12V does the rest, no supervision required! Features Fully Automatic Multi-Step Program Selection Remains in Memory even if AC Power is Lost Low Volt Start of 0.5V + 2 Step Desulphation Recovery Includes: Weatherproof Battery Lead & Battery Clip Set Automatically adjusts current to match battery size and condition. Safe to leave connected. Full electronic protection. Maintains battery at full charge and good health. Saves your ‘dead’ battery from as low as 0.5V. Tests battery state of health. Voltage safety check: will not charge if battery voltage does not match selection. Requires user confirmation. Energy saving technology. Stand-by power less than 0.5W. Efficient 24-7 battery maintenance. Weatherproof. Rated for use down to -40°C / -40°F. Specifications Ideal For: STD, AGM, GEL, SLI & DEEP CYCLE 6 and 12V batteries from 3 – 120Ah (up to 160Ah for 6V). Charging Amps: 4A (6V) / 3A (12V) (Ampmatic) Charging Volts: 6V range: 0.5V – 7.2V; 12V range: 8V (0.5V*) – 14.4V Use: Indoor / Outdoor (lowest temperature: -40°F / -40°C). Input: Global (100-240V 50-60Hz), high efficiency (CEC listed). Style: Weatherproof case with wall mounts, with 6ft / 180cm AC supply lead and 6ft / 180cm charge lead ending in SAE connector. Save : Low Volt Start of 0.5V + 2 step desulphation recovery. 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. The TecMate OptiMate 5 is also referred to as OptiMate 5 charger, Battery charger and maintainer, 6V battery charger, 12V battery charger, Sealed battery charger, Battery maintainer, Battery saver, Trickle charger, and Smart battery charger.