Odyssey Batteries is a U.S. manufacturer of high-performance AGM (Absorbed Glass Mat) batteries built on Thin Plate Pure Lead (TPPL) technology. Their Performance Series dual-purpose batteries offer long service life, reliable starting power, and up to 400 deep-cycle discharge cycles at 80 % depth of discharge, while the Extreme Series delivers brief engine-cranking pulses up to 2,700 amps and exceptional vibration resistance. With non-spillable construction, low internal resistance, and a multi-year warranty, Odyssey batteries provide both massive cold-cranking amps and deep-cycle reserve for automotive, marine, RV, and specialty applications.