Model: BS-311 Size:φ76*218mm Voltage:DC14V-16V Available in: 0.1F - 1.5F Capacity Tolerance: +10% Over-voltage Protection Circuit Electronic Polarity Protection Circuit Normal working temperature:minus 40 to 90. Extreme Low E.S.R.:less than 0.002W. Optional digit voltage display: Red / Blue / White Installation Kits (mounting brackets, wrench, screws, gasket ).