Bought it from Amazon in 2021
Used it a little for an year
Selling it because I bought a new one
Great battery backup
It's functioning perfectly fine

Amazon link: https://www.amazon.in/dp/B07YY1BY5B/ref=cm_sw_r_wa_apa_glt_fabc_T0G3W5PJK89575QR86EQ

It is currently available on Reliance Digital for INR 2299/-.