Exide InvaTubular batteries are next generation Tubular battery, which is designed to withstand long and frequent power cuts. The ultimate tubular batteries specially designed with thick tubular plates are best suited for areas with frequent power cuts. These long lasting batteries have 30% more Acid volume per ampere hour than ordinary tubular batteries. Exide InvaTubular batteries can also withstand charge better. Its superior features have made it the most demanded inverter battery.