Lead-gel battery Sonnenschein Dryfit A506/6.5S lead-acid battery. Connection type: 4.8mm Faston plug-in contacts. The Dryfit A506/6.5S specifications: The product superiority of the Sonnenschein A500 batteries results from the worldwide proven and successful dryfit technology. Outstanding energy storage properties combined with high reliability. Maintenance-free over the entire service life due to Sonnenschein dryfit technology. 7 years design life at an ambient temperature of 20°C (80% residual capacity). Grid plates in lead-calcium alloy. Extremely low gassing due to internal gas recombination. Very low self-discharge rate and therefore long shelf life. Short recharge times, deep discharge proof according to DIN 43 539 T5. Technical data: System: PB lead battery. Voltage: 6.0 Volt. Capacity: 6500mAh. Dimensions (LxWxH): 151x34.5x94.5mm. Weight: 1330 grams, colour grey.