The batteries in the Sonnenschein dryfit range are compact, versatile and can be used in a wide variety of applications. Dryfit technology consists of closed-system batteries in which the electrolyte is fixed in a gel. This means that no maintenance whatsoever is required throughout the entire service life of the battery. The special advantage of the Sonnenschein dryfit battery lies in the batteries’ suitability for extreme operating conditions and the highest demands on reliability.