Dual-stage Recovery and Turbo Recovery desulfating action for neglected deep-discharged batteries the Recovery mode engages automatically, while the Turbo Recovery mode engages for more severely neglected batteries
Like all other OptiMates, the OptiMate 4 then charges the battery, verifies that the battery is as fully charged as its basic state of health allows, and then checks for and detects dead battery cells
Now OptiMate 4 also has the following new features:
Maximum output current increased to 800mA without increasing energy consumption
48-hour time limit on stages up to the first of the cyclic tests for battery drain to avoid wasting time and energy on batteries with a shorted-out cell
19 possible LED indications displayed on 10 LEDs on the stunning new control panel
Five possible results of the cyclic hourly tests for power drain/retention are displayed on a combination of green, yellow and red test LEDs
IP64 weatherproof sealed enclosure with built-in mounting option
Cable bushings avoid insulation stress in ultra-cold temperatures
SAE weatherproof connections
Provides optimal maintenance of your battery during long-term storage, achieved by its gentle maintenance cycle which automatically allows the battery to rest for 30 minutes of each hour of the maintenance cycle while it remains connected
