he V-Guard VT 155 batteries fit perfectly in V-Guard Digital UPS to gift you an uninterrupted and continuous supply of power to your home. Moreover, the VT 155 batteries work well with other UPS. The backup offered by these batteries varies from three hour thirty minutes to fifty four hours, depending upon how much load you have connected to the DUPS. The length of these batteries is 505 mm, the width is 190 mm and the height is 415 mm. The filled weight is 53 Kg and the gross weight is 55 Kg. These batteries require 21 litres of acid give or take two litres. After full charge, the specific gravity of electrolyte in these batteries becomes 1.245± 0.005 Sp. Gr. Litres/Cell. These batteries are covered by V-Guard under the standard warranty of 18 months, while there is the option of prorated warranty of 18 months. The technology used enables these batteries to deliver a larger amount of consistent, reliable power. They are engineered to deliver increased power and efficiency while maximizing their life span. In fact the maintenance required with these batteries is quite less and the efficiency they offer is maximum.