https://techcrunch.com/2019/12/03/amazon-echo-input-portable-smart-speaker-edition/

After launching nearly a dozen Echo speaker models in India in two years, Amazon said on Wednesday it is adding one more to the mix that addresses one of the most requested features from customers in the nation: Portability.

The e-commerce giant today unveiled the Echo Input Portable Smart Speaker Edition, a new variant in the lineup that includes a built-in battery. The 4,800mAh enclosed battery will offer up to 10 hours of continuous music playing or up to 11 hours of stand-by life, the company said.