Solar Trunk Pac ES1224 Jump Starter 12V 18Ah Jump Starter Battery - This is an AJC Brand Replacement This is an AJC Brand&#174; Replacement for a Solar Trunk Pac ES1224 Jump Starter 12V 18Ah Jump Starter Battery Voltage: 12V (12 Volts) Capacity: 18Ah Terminals: NB Number of Batteries Required for a Full Replacement 2