Built-in automatic charger with LED indicator. 400 peak amps. Internal 7 amp/hr hour battery 69 CCA. Easy-to-read battery status LED's include full power, 75% charged, less than 50% - needs charging. Quick and solid sure-grip connections; 200A clamps for top and side post batteries. Powerful No. 8-gauge, 18" long cables stay flexible in cold temperatures. Convenient clamp storage mounts to keep clamps safe and secure for longer life. 12V DC accessory port with overload and short circuit protection.