Amaron we do have a good relation with these Amaron batteries as they act as Ups and produce power, actually after watching the add I though to buy this product and after buying this product I really find the great work as they are used in bikes, Inverter it gives more life than ordinary batteries mainly for such a reason we can prefer these, as an alternatively till now I dint choose anything but from 1 year I am using amaron battery which is working perfectly, it is a indias largest selling automotive battery