OptiMate 3 is the most trusted fully sealed battery saving charger & maintainer – The most popular motorcycle charger world-wide!Available as a SINGLE, DUAL and QUAD bank charger! OptiMate 3 is totally automatic and fully protected against user errors. There are no switches. Short-circuiting the charger output resets the programme, without sparks or blown fuses. Affordable, compact, intelligent and forgiving of errors, OptiMate 3 is the perfect tool for regular or long-term maintenance of batteries not in daily use.FEATURES• For lead-acid 12V powersport battery types including lead acid (Pb), STD (with filler caps), AGM, GEL (sealed VRLA), deep cycle & EFB.• Tests the battery state of health• Diagnoses sulphated battery condition• Safe to leave connected. Full electronic protection• Maintains battery at full charge for good health• Low volt start of 2V• Energy saving technology- Stand-by power less than 0.5W- Efficient 24-7 battery maintenance• IP54 weatherproof. Rated for use down to -40°c SPECIFICATIONIDEAL FOR: AGM, GEL & STD 12V batteries from 2.5 – 38AhCHARGING AMPS: 0.8A (constant current)CHARGING VOLTS: nominal: 12V range: 2V - 14.4VOPERATION: Fully automaticSTEPS: 7FEATURES: The all in one tool for 12V battery care at home. Diagnoses, recovers, charges, tests and optimally maintains automatically.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 180cm AC supply lead and 180cm charge lead ending in SAE connector.SAVE: Low volt start of 2V + 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.Manufacturer Part Number: TM432YEC-50 Battery Charger8-step charger that can charge the battery of your Yamaha motorcycle, scooter, ATV, SMB and/or marine products.- Unique battery charging technology. Fully automatic switch modecharger that analyses the state of the battery, charges andautomatically switches to maintenance charging when ready.- Designed for safety: spark-free, protected from reverse polarityconnections and short-circuit proof- Light and compact; handy and easy to store- Specially tested and approved by Yamaha service engineers to fit ourrange of motorcycles, scooters, ATV, SMB and other products- 5 Amp maximum charge current- Strongest in its class- Shorter charging time- Based on CTEK's test winning platform- With UK plug- Combine it with the YEC quick connectors - the Built-in Panel Plug,Charger Indicator and Indicator Panel 150 - for reading the chargecondition of your battery and/or for easier access between yourYamaha's battery and the YEC-50 charger