SPV Series: HIGHER PERFORMANCE CAR AUDIO ACCESSORIES BATTERY DESIGN : 12V DRY CELL VRLA • The King of Batteries. • Black powder finished with protective steel case. • Valve regulated sealed lead acid battery. • Dry cell technologyy with an absorbed glass mat. • It has safety, low resistance, so the recharge is easy and the energy output is more remarkable • Low self discharge, the self discharge rate below 3% per month • High rate discharge construction • Deep discharge recoverability