The OptiMate 5 Start-Stop fully sealed automatic battery charger delivers 4 Amps of charge safely to the 12V lead-acid battery in your modern car with start-stop or hybrid technology. It is also ideal for your large motorcycle (1500cc or more), pickup and boat batteries. Its fully automatic plug-and-play design and safe-for-vehicle -electronics technology means all you must do is connect it to the battery and the OptiMate5 Start-Stop automatically brings it to full charge, tests the battery and then OptiMate’s proven safe care makes sure your vehicle’s battery remains ready. START-STOP : smart charge technology that automatically adapts to any type of 12V lead-acid (Pb) battery, including STD (flooded), Maintenance free, EFB and AGM. EASY : no buttons, no guesswork – just connect and the smart 6-step program does the rest automatically! SAFE: Smart electronics protects against accidental reverse polarity connection. No sparks if clamps touch as the output stays off until it is connected to a battery with voltage of 4V or higher. LOW VOLT START: Will charge a battery from as low as 4V. Pulse recovery that is safe for vehicle electronics. SMART POWER: With 4 amps of constant current, this intelligent charger recovers, charges, and maintains your battery 24/7 — ensuring longer battery life, maximum performance, and trouble-free starts. GREEN TECHNOLOGY: High efficiency power conversion uses less AC power. Standby power usage (not connected to battery or not delivering charge during long term maintenance) is less than 0.5W. OptiMate saves you money in electricity cost! More features: Charge current - 4 Amps constant current, ideal for medium to large batteries (e.g. car, boat, cruiser motorcycle) Universal 12V lead-acid Battery Compatibility – Works with STD / flooded / wet-cell with removable filler caps (for adding distilled water) and sealed/maintenance free EFB (Enhanced Flooded Battery) & AGM (Absorbent Glass Mat). Safe for Sensitive Electronics – No overcharging, spark-suppressed and short-circuit protected. Global input (100–240 V, 50 -60Hz) - connect with Type-C European 2-pin plug. Max AC Amps at 240V: 0.56A. Eco-Friendly & Weatherproof – For indoor or outdoor use, even in extreme cold (–40°C) or heat (40°C). Plug & Play – Includes a set of battery clamps for quick connect and a fused battery lead with M6-8 dual size ringlets that can be permanently fitted to the battery. Connect & Forget - Fully automatic time limited charging followed by 24-7 smart 'float charge' maintenance. (Technical specifications PDF) What’s in the Box OptiMate 5 Start-Stop (model TM221-4A) 12V 4A fully sealed battery charger. O-04 Battery clamp set O-01 fused battery lead with M6-M8 dual size ringlets. Instruction manual 3-year replacement warranty
