Samsung has announced a device that is probably a contender for its cheapest smartphone of 2021. The Galaxy A03 Core, unlike others of similar names, has a large 5,000mAh battery. Then again, it also has a 4G/LTE-only SoC from Unisoc, along a RAM and internal storage prolife that is remarkably meager at this point.
https://www.notebookcheck.net/The-new-Samsung-Galaxy-A03-Core-has-a-5-000mAh-battery-and-a-Unisoc-processor.579276.0.html