Smoke vent system battery

DIMENSIONS: Length 134 (±1)mm, Width 67 (±1)mm, Height mm(height over terminals) 64(±2)mm, Weight (typical) 1.2kg

SPECIFICATIONS - Nominal voltage 12 V20-hr rate Capacity to 1.75VPC at 20°C 3.2 Ah10-hr rate Capacity to 1.75VPC at 20°C 2.9 Ah, Genesis or equivalent manufacturer.