TecMate OptiMate 7 Select Battery Charger Maximize your 12V batteries' life and performance with the TecMate OptiMate 7 Select. This advanced charger extends the power and efficiency of both starter and deep-cycle batteries, ensuring they deliver their full potential. With precision charging and maintenance capabilities, it ensures longevity and reliability for high-performance batteries. Features: Ideal for Std, Agm, GEL and deep-cycle 12V batteries from 3-400Ah Perfect for starter and deep-cycle 12V batteries that demand accurate temperature-controlled charging and unsupervised safe long-term maintenance Voltage selection (14.4V / 14.7V) to ensure the battery receives charge at the correct voltage Power supply mode delivers stable power for vehicle system reprogramming, showroom vehicle demo or retaining memorized settings when battery cables are disconnected to fit powered accessories or replace the battery Saves dead flat sulphated batteries from as low as 0.5V Global input (100-240V, 50-60 Hz) and high efficiency (Cec listed) Weatherproof case with wall mounts, with 6 ft. (180cm) AC supply lead and 6 ft. (180cm) charge lead ending in SAE connector