Battery - Red Charge RC 18000, 150 Ah capacity, 12V, Warranty ? 36* Months, Tubular Technology battery ? Robust Tubular plates, Low antimony alloy used for low maintenance, Suitable for areas with frequent and long power cuts, Excellent overcharge tolerance (accepts very deep discharge-suitable for areas with long power cut), Factory charge battery in ready to use condition, High Durability with sealed plastic housing