Weatherproof battery cable with charge status monitoring for the 12V lead-acid battery in your parked motorsport vehicle - battery status 24-7 with an LED in view!  With M6 / 1/4" - M8 / 5/16" eyelets that fit perfectly to your motorsport battery terminals and 15A fuse that protects the cable and electronics, which can be used down to -40°C - premium quality!  Monitor with weatherproof cap. Battery status is displayed every 3 seconds (LED flashes).

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.