hyderabad poor quality of battery packs as well as the hardware fitted to them to ensure safety are primary reasons for consistent explosions of escooter batteries said experts on wednesday in india batteries of evehicles are tested by the automotive research association of india before being launched in the market however companies often send them a grade batteries to get a nod but end up using a downgraded version in their vehicles after the initial tests there is no regulation said professor v uma maheshwar from the mechanical engineering department of osmania university who is also the chairman of society of automotive engineers india hyderabad divisionif thats not all the battery thermal management systems btms and battery management systems bms being fitted in majority of the lesserknown brands of escooters are also not welldesigned experts add ideally a bms should stop the chargingdischarging process of a battery pack when the temperature goes beyond acceptable range to avoid devastation but the bms can malfunction if the quality is compromised said manohar kakunuri assistant professor chemical engineering department nit warangal he explained how the heat and fire generated from lithiumion batteries is far higher than petroldiesel and normal extinguishers alone cant manage to douse themaccording to professor maheshwar majority of the bms available in the indian market are made in china and one can get a chinamade bms for 1600 it is that cheap if you look at what bigger brands in india are indigenously making it costs a minimum of 10000 per unit these bms are not regulated by any authority he said manufacturers are focusing more on performance of ebikes than on its safety as customers demand speed and fast charging experts said0349ev fires can this battery made from agricultural waste be the solution to ev twowheeler fires