TECNO-Mobile has already announced the SPARK Power 2 and they claim that it is the best battery smartphone. I agree with them because this phone comes with 6,000mAh battery capacity which can last for about 3 or 4 days depending on how you use it. TECNO described SPARK Power 2 as a phone that has 6,000mAh super battery, long standby for 4 days, perfectly meets your various needs of power supply for daily routines. They also added that the 18W speed charge allowes you restore power in less time. TECNO…