• OptiMate 5 6V/12V SILVER series: 8-step 6V 4A / 12V 3A sealed battery saving charger & maintainer.
• 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 found in the vehicles / craft and equipment above.
• 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!
• AMPMATIC: Automatically adjusts current to match battery size and condition.
• Safe to leave connected. Full electronic protection.
• 24/7 Maintains battery at full charge and good health.
• Saves your ‘dead’ battery from as low as 0.5V.
• S.O.H.: Tests battery state of health.
• Voltage safety check: will not charge if battery voltage does not match selection. Requires user confirmation.
• Green Technology: Energy saving technology, Stand-by power less than 0.5W and Efficient 24-7 battery maintenance.
• IP54: Weatherproof. Rated for use down to -40°C

Since 1994, OptiMate's powerful battery chargers have been ensuring that the life and performance of vehicle batteries are maximised. OptiMate is the trusted partner of more than 15 leading original equipment manufacturers of vehicle and power batteries, as well as millions of satisfied owners of motorbikes, cars, quads, trucks, boats and other equipment worldwide. This is thanks not only to the OptiMate's unrivalled reliability, but also its unique features such as Ampmatic current control to adapt the charge rate to the size and condition of the battery, pulsed end-of-charge voltage for effective cell equalisation without overcharging, round-the-clock ‘plug and forget’ maintenance to ensure batteries are always ready for use and - for anyone who has forgotten to charge their battery - the unique ability to top up fully discharged batteries where other chargers fail. OptiMate's fully automatic, energy-saving, plug-in anywhere (100 - 240 V) electronics are environmentally friendly and deliver the best performance with the most efficient use of energy. OptiMate offers a wide range of high-quality and reliable accessories, from battery testers and USB products to cables and plugs, which can be ordered in the Optimate brand shop at Thunderbike.