The best phones with a removable battery, and alternative solutions!
Samsung launches the Galaxy XCover Pro, a rugged smartphone with a removable battery | TechSpot
Samsung's New Rugged Phone Has Custom Buttons and a Replaceable Battery - CNET
FOUF Flip Phone, Minimalist 2.4inch 2G Unlocked Dual SIM No WiFi/Internet with Removable Battery, Basic GSM Large Button Flip Cell Phone with SOS Emergency Function for Elderly(Red)