The Epsilon is a drop-in lead-acid replacement, with all the benefits of Lithium Iron Phosphate. It has superior weight reduction, enormous energy reserves and stable voltage even at extreme loads. Eliminating the need for an external safety relay means the lithium battery is very easy to install. The unique combination of state-of-the art technology and smart software makes this lithium battery a robust, safe and easy to use energy storage solution. It is very efficient, has extremely high performance and is maintenance free.