Monobloc Gel Electrolyte Battery, 70Ah Capacity, 12V Nominal Voltage, B-M6 Copper Insert Terminal, 2100A Discharge Current, -20°C to +50°C Operating Temperature, 5mR Internal Resistance, 259mm Long, 168mm Wide, 208mm High, 21.5kg Weight, Electrolyte: Sulphuric Acid Analytical Grade Purity, Gel Multi-Purpose Battery that are Designed for Excellent Performance and Deep Discharge Applications, Full Recovery from Long Discharges, Good Tolerance to Highest Temperature Applications, Suitable for where Mains Power Supply is Unstable, No Equalisation Charge Required, Thicker Plates for Reduced Grid Corrosion and Increased Cycle Life, High Resistance to Shorting due to Superior Mechanical Strength of the Polymer Separator, One-Way Pressure-Relief Vent for Safety and Long Life, CE Approved, Ideal for Wheelchair, Medical, Solar, Refrigeration, Boats, Navigation, Water Pumps, Floor Machines, Electric Vehicles and More. Supplied singly.