According to Sky News Arabia; Mossad was able to Inject a Compound of Pentaerythritol Tetranitrate (PETN) into the Batteries of the New Encrypted Pagers that Hezbollah began using around February, before they even arrived in the Hands of Hezbollah Members, allowing them to Remotely Overheat and Detonate the Lithium Battery within the Device.

https://x.com/sentdefender/status/1836113607572230358?t=zTgO3VrQh7B4Q7uoFnDWvw&s=19