The major upside is that it can last up to 20 days on a single charge!
The Amazfit T-Rex received the Best Choice recommendation for an affordable rugged smartwatch in our review.
The T-Rex is the best in its segment of Rs 10,000 / $150. Read our Amazfit T-Rex review to find out why we recommend this rugged and comfortable watch.
Amazfit claims it can last up to 20 days with normal use, 66 days in basic watch mode, and 20 hours with continuous GPS use.
Update: Amazfit T-Rex with AMOLED screen, 20 days battery life launching in India in the 2nd week of June
It was launched in China for 799 yuan (~ Rs 8,400).