The 18650 power battery supports high current discharge and can reach 20 times the current capacity. 18650 regular lithium batteries only support one time the discharge capacity, which means that a regular 2600 milliampere hour battery has a maximum discharge current of 2600 milliamperes. The capacity of a power battery is generally twice that of a regular battery. It is estimated that it will not exceed 2000 milliamperes. At most. Usually between 1000 mAh and 1800 mAh.