The Rolls Surrette 4KS21P (4-KS-21P) is a 4 volt battery rated at 1,557 amp Hrs. @100 Hr. rate or 1,104 amp Hrs. @20 Hr. rate. This battery is a very high capacity battery with New Generation series 5000 advantages and features. Dual case, replaceable cells, small foot print and an expected life of over 10 years (depending on maintenance and application). This battery is a quantum leap from the performance and longevity provided by golf cart and L-16 floor scrubber types. Flag terminals provide a secure cable connection.
For a single string 1,557 AH Bank @100 Hr. rate, you will need 3 of the 4KS21P (4-KS21P) for a 12 Volt system, 6 of the 4KS21P (4-KS-21P) for a 24 Volt system and 12 of the 4KS21P (4-KS-21P) for a 48 Volt system. Each additional string will multiply the AH.