7 Amp. Yuasa NP, NPC and NPH batteries utilise the latest advance design Oxygen Recombination Technology. Yuasa have applied their 80 years experience in the lead acid battery field to produce the optimum design of Sealed Valve Regulated Lead Acid batteries. Yuasa NP batteries are the most reliable batteries in the world, which is why industry choose Yuasa over any other battery for security, fire, emergency lighting and uninterruptible power source (UPS) applications.. Will fit within appropriate size boxed 12V DC PSU. Output: e.g. NP 70 = 12V DC 1 amp for 7 hours or 12V DC 05 amp for 14 hours. NB: Only assume a max performance of 75% to allow for cell deterioration. Batteries should be replaced every 3 years