The alternative to the 4R25 battery, which lasts eight times longer, offers great savings in terms of recycling, logistics, and storage costs. Highest energy density on the market Cegasa's unique formulation makes it possible to offer an exceptionally energy dense battery. Up to five times more energy in the same space and up to eight times longer life. Thanks to the high stability of the output voltage regardless of the discharge state of the battery, we can utilise the battery's energy to the fullest. The best price/energy ratio One ZINC-AIR ALKALINE CEGASA battery provides more energy than eight batteries from other brands. In other words, fewer batteries to recycle and fewer batteries to transport and store. Very long battery life ZINC-AIR ALKALINE is the ideal technology for those low-power applications where continuous energy is required and that work for very long periods of time without any maintenance or supervision. Our batteries are the longest lasting on the market. No installation or maintenance CEGASA's technology doesn't require any maintenance. It has been developed so that it's ready to use and doesn't require any additional care. The battery is supplied with the ventilation holes sealed, so that it doesn't start working until the seal is removed. It can be stored for two years with minimal loss of capacity. After discharging the battery, replacing it with a new one is very simple and doesn't require qualified personnel. Easy to use CEGASA batteries are very easy to install and replace so no qualified personnel are required. Safe in explosive environments None of the battery components are flammable and no gas emissions are released.