OptiMate 5 is the ideal all-in-one tool with 2.8A for maintenance of large 12 V batteries. In a sealed, weatherproof casing that includes wall mounts, OptiMate 5 automatically diagnoses, recovers, charges, tests, and maintains your batteries. Recommended for STD (with removable filling caps), absorbed glass mat (AGM) and lead-acid sealed GEL batteries da 12 V da 8 AH up to 120 AH, although it can carry out the maintenance of batteries even pilarge ones (the charge will last piup for a long time). Why OptiMate 5? Forgot to turn off the power on/ le lights or didn't connect the battery ad a manntenitor during the unused season and now the battery is 'dead'? No need to rush out to buy a new battery, as it has been proven that OptiMate 5 can recover neglected and totally discharged batteries where other smart chargers cannot. Do you think le batteries only last 2-3 years? OptiMate 5 is proven to extend battery life by up to 400%; le can last 8 years if maintained with OptiMate 5. For cito occur, optimate 5 must always be connected to the battery when the vehicle is stationary and OptiMate 5 will keep the battery 100% safely. without overload, thanks to its exclusive cycle da 30 min of charge and 30 min break for each hour of long-term maintenance charge Includes 2 connection accessories: (si see le images on the right) Permanent connector ad SAE-71 ring with weatherproof cap and clip set for SAE-74 batteries. Fully automatic operation that includes all le safety features such as reverse polarity da protection and sparkless connection: da UL and CSA approved, safety standard for automatic chargers. Warranty limited to 3 years.