12V, 100Ah Deep cycle gel battery with10 years floating design life, specially designed for frequent cyclic discharge usage is the best yet affordable Iin the market right now. It is a Korean technology battery. By using a strong grid and specific paste plate, it makes battery have 30% more cyclic lifetime than standby series. Superior Deep Cycle Design, High Power DensityThick Plates, and High-density, Active Material. Longer Life in Deep Cycle Applications, Excellent Recovery from Deep Discharge. It is applicable for the solar energy system, Wind turbine, Inverters, golf cart, electric wheelchair, etc. Longer, lasting, durable and powerful gel battery suitable for all solar/inverter systems both for home and office use.