Samsung has recently been regularly criticized for stagnating battery capacity in its flagship Galaxy S lineup. Against this backdrop, Chinese manufacturers are actively releasing relatively affordable smartphones with silicon-carbon (Si/C) batteries with capacities of 7,000 mAh, and recently even up to 10,000 mAh. However, this situation may change. Samsung subsidiary SDI is reportedly testing a dual-cell silicon-carbon battery with a total capacity of 20,000 mAh. More