10W's LED bright flashlight is on all the time. How much is the power per hour?
Yes.Mobile phone batteries are full of 4.2V, 3 blocks of 12.6V, all right.Note that the battery capacity is the same.18650 lithium battery is not very good, nor expensive.
It can be used in tandem with three lithium batteries of the same capacity.
Battery voltage 12V, 10W is 833mA, power consumption 833mAh per hour.
