Unique lead/calcium alloy produces a heavy-duty wrought plate that is able to withstand the most arduous conditions. Suitable for the majority of consumer vehicles. Delkor Calcium range of battery offers extra starting power and provides consistently high performance for extended periods of time. Keeps your mind on the activities you need to attend to the day and enjoy a carefree road journey. Choose Delkor Calcium batteries for all vehicles with standard equipment without start-stop functionality. Delkor Calcium 22FR-520 Specs Model: 22FR-520 CCA: 520 A AH(20HR): 60 Ah RC: 95 Min Post Type: STD Polarity: R ( +, – ) Length: 240 mm Width: 172 mm Height: 203 mm Replaces :- Hella Endurant 127/11,Century 57MF,Exide 52DMF,Supercharge MF50