This slim concept phone has a 15,000mAh battery, but one giant drawback
TL;DR Realme has revealed a concept phone with a 15,000mAh battery. The phone is less than 9mm thick and can last for up to five days. The device uses a battery with 100% silicon content, effectively ruling out mass production for now. The advent of silicon-carbon batteries has resulted in many smartphone brands offering bigger batteries than ever before. We’ve already seen HONOR and vivo launch phones with ~8,000mAh batteries in relatively slim designs. Now, realme has revealed a rather impr