Neptune Power Replacement Batteries meet and even exceed manufacturers specifications, Superior Design, High Quality, long lasting working life 3-5 Floating time range, High Quality ABS material Fire Resistant, The Latest Technology grid design and paste formulation, AGM high standard separators. Every Battery shipment is tested to Guarantee Hi- Performance & Longevity. Our Batteries Feature high discharge design, wide operating temperature range, and long expected service life. Neptune NT12120 12Volts 12 Amp replacement battery feature Valve-Regulated Lead Acid (VRLA) SLA Sealed Lead Acid Battery Technology, making them safe to operate in any position, near people and sensitive equipment. Manufactured under Japanese Quality standard, Environment Certificated Plant and facilities with: ISO 9001 for Quality Management Systems. ISO 14001 Environment Management System (EMS). Health and 14001 Safety Environment Standards certification. Under UL (Underwriters Laboratories) certifying Quality and manufacturing processes.