Family description: OPTIMA BATTERIES…INSTANTANEOUS STARTING POWER: THAT'S THE KEY FEATURE OF OPTIMA BATTERIES. IT MEANS INCOMPARABLE STARTING CAPACITY FOR PROFESSIONAL VEHICLES SUBJECTED TO INTENSIVE USE, WHICH MUST ALWAYS BE READY TO START. THE SECRET OF THIS POWER IS OPTIMA'S SPIRALCELL TECHNOLOGY Description: Instant starting power: this is the strength of OPTIMA batteries. This means unparalleled starting …Instant starting power: this is the strength of OPTIMA batteries. This means unparalleled starting capabilities for heavily used professional vehicles, which must always be ready to go. The secret of this energy is OPTIMA's SpiralCell Technology®, which ensures maximum starting power for large diesel engines and heavy-duty equipment, using the same compact battery that can be used in your car. This technology provides maximum starting power even in adverse weather conditions, with temperature ranges from + 40 ° to -40 ° C. Thanks to its solid and waterproof structure, the battery can withstand extreme stress, delivering energy without requiring any maintenance, in wherever you want to go.