The economical range of tubular UPS batteries with high performance, made using rugged tubular plates. These batteries require minimum maintenance and withstand long and frequent power cuts. 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.