Optima 12V 50Ah Group 34 Red Top High Power Starting Battery: Ultimate High Quality Red Top Starting Battery! REDTOP® 34 The battery that typically comes as original equipment on an automobile is what’s known as a starting battery. It’s designed to discharge enough power to start your car and power standard accessories. Over time, however, a starting battery loses its capacity to discharge. The REDTOP high-performance AGM battery is the ultimate starting battery and is designed to deliver a powerful burst of ignition power for a reliable start-up every time. It has high-power delivery and extreme resistance to the most common causes of battery failure. Optima 8002-250 Features: Strongest Starting Burst Up to 3 X Longer Life 15 Times More Vibration-Resistant Virtually Spill Proof Mountable in Virtually Any Position Maintenance-Free Faster Recharging Optimal Starting Power Optima 8002-250 Specifications: Physical Characteristics: Plate Design: High Purity Lead-Tin Alloy. Wound Cell Configuration Utilizing Proprietary Technology: SPIRALCELL® Electrolyte: Sulfuric Acid, H2SO4 Case: Polypropylene Color: Case: Dark Gray Cover: “OPTIMA” Red Group Size: BCI: 34 Terminal Configuration: SAE / BCI Automotive Part Number: 8002-250 Dimension: 25.4L x 17.3W cm Performance Data: Open Circuit Voltage (Fully Charged): 12.8 Volts Internal Resistance (Fully Charged): .0030 Ohms Capacity: 50 Ah (C/20) Reserve Capacity: BCI: 100 Minutes (25 Amp Discharge, 80°F (26.7°C), To 10.5 Volts Cut-Off. Power: CCA (BCI 0°F): 800 Amps CCA (EN -18°C): 815 Amps MCA (BCI 32°F): 1000 Amps