Story begins when engineer Mr.Joseph found frequent happening fire and explosion caused by batteries, not only happens when batteries at work, but also in stock or travelling without function. He decided to promote a more 'Naive', a 'Retrospective' power to whoever need it. Based on this 'Task', he built 'NARETA' brand batteries, to bring safer and more economical  power for automotive / motorcycle starting and UPS / Solar system functioning, by sealed lead acid batteries. NARETA - safer power more sustainable.