Suitable for Lorries, Generators and Non Road Applications. All products sold on batterymasteronline.com are 100% genuine and have different warranties as per the respective product specification. Yokohama Platinum Batteries are backed by years of research and development and a thorough understanding of consumers’s needs. Yokohama batteries has calcium in both positive and negative grids, thus making it full calcium. Calcium strenthens the plates which gives the battery a longer life. Calcium also reduces the gassing caused by reaction between active material and electrolyte thus corrosion is minimized.