https://www.theregister.co.uk/2019/12/04/amazon_batterypowered_echo_speaker_india/

Amazon today announced a new battery-powered version of its ubiquitous Echo speakers.

The snappily named Echo Input Portable Smart Speaker Edition (which we'll henceforth referring to as EIPSSE because that's a mouthful) costs ₹5,999 (about £65/$85) and is an Indian exclusive.