The unabashed manner in which the Chinese Communist Party (CCP) representatives went about meddling in Nepal’s domestic politics and the scaling up of Beijing’s interference in the landlocked country, is what is dangerous for India...
And this is their source. headline says it will self-destruct when the helmet is captured by Indian army. In the text it did say that self-destruction can be initiated by the soldier or the superiors.
The battery module is interconnected to the other systems. That's means software defined function like in a Mobile Phone. If hugh amount of charge is send then its sure will be a death or a brain damage even with low amount of energy. Technically possible.
And the NTDT revealed that the battery attached to helmet can be heated blast. That just a total misery if true. If survived just think of its brain damage.