by Tecmate
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13 used & new from $42.99
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OptiMate 3 desulfater-charger saves neglected, deep discharged batteries other smart chargers can't. It will safely maintain your vehicle's battery during long term storage. Hook up the battery and OptiMate immediately checks if the battery is sulfated or not. If it is OptiMate applies 'first aid' in the form of a voltage of up to 22 volt at low current for up to 2 hours, to recover the battery so it can again accept a charge. It then 'bulk' (constant current) charges the battery, the starting stage if no sulfation was detected. There-after the unique ‘verification' (pulsing charge and check) stage provides low voltage desulfating care and tops off the charge. OptiMate 3+ then tests and confirms if the battery can retain sufficient charge to crank an engine before it engages long term maintenance mode. During maintenance it "floats and tests" 30 minutes on, 30 minutes off, so the battery is always 100 per cent ready, but never overcharged. Recommended for all 12 volt lead-acid batteries from 2Ah to 30Ah, although it can also maintain larger batteries (it will just take longer to charge). The OptiMate's high voltage desulfation mode cannot engage if vehicle electronics / wiring are sensed, so to effectively desulfate a battery, it must be disconnected from the vehicle wiring. Includes 2 connection accessories : SAE-71 Weatherproof permanent ringlet connector and SAE-74 set of battery clips. Approved to UL and CSA safety standards for battery chargers.
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