Description: Gel battery made using AGM (Absorbent Glass Mat) technology. High quality lead plates and electrolyte provide reliable power for many voltage maintenance systems such as UPS or emergency power supply systems. Application: Alarm systems Cable television systems Telecommunication equipment Control equipment Security systems Medical equipment UPS Emergency power supply Toys General features: Maintenance-free Design to protect against electrolyte leakage Hermetic housing Safety valve against explosion High quality and reliability Self-resistance Extreme strength discharge characteristic Can be installed in many positions Features: Voltage: 12V Capacity: 55.0 Ah Service life: about 5 years Charging (25 o C): cyclic use: 14.5–14.9 V (-30 mV / o C) continuous application: 13.6-13.8 V (-20 mV / o C) Dimensions and weight: Height with poles: 213 mm Width: 224 mm Depth: 134 mm Weight: 17.5 kg.