Warranty: 24 months; Cells manufacturer: Green Cell; Voltage: 12V; Type: VRLA AGM; Colour: Black; Overdischarge protection: Yes; Overcharge protection: Yes; Product code: AGM21; Manufacturer: Green Cell; Surge protection: Yes; Size: 196 × 133 × 170 mm; Weight: 10.8 kg; Capacity: 33Ah; Popular model: Yes; Terminal: B3; Vitality: up to 5 years; Max. discharge current: above 3C; AMG 31;