Realme introduced two new concept phones during its 828 Fan Festival in China. The first is a smartphone with a 15,000mAh battery, which is advertised to offer up to five days of usage on a single charge. The second features a 10,000mAh battery and comes with a built-in cooling fan and thermoelectric cooler, which Realme claims can reduce temperatures by up to 6°C.
Realme 15,000mAh features a 100% silicon anode battery design. Realme claims that’s 4x more than what you find on conventional Si-C batteries. The battery gets a whopping 1,200 Wh/L energy density, and it helps achieve some…
