• OptiMate Solar DUO 10W, the intelligent solar powered charger & maintenance device for all 12V batteries - Charge during the day, monitor at night!
• Ideal for 12V lead acid/12.8V lithium & AGM batteries.
• Intelligent charge controller automatically adjusts charge to battery type and condition - OptiMate Solar DUO's intelligent control guarantees longer battery life and more battery power!
• The controller's fully automatic multi-stage program safely brings the battery to full charge - simply connect the battery and the OptiMate Solar DUO 10W does the rest, no monitoring required!
• Converts low solar energy into efficient pulse charging.
• Can be left connected without any problems. Full electronic protection.
• Saves your deeply discharged battery while still at 4V.
• Displays the battery's state of charge.
• IP54 : Works in any weather!

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.