Get from russia 10 days by courier to the door. I liked the lamp. Made well. Three light modes, beacon, sos. When long press the button immediately turns off, does not scroll through the blinkers. The light does not flicker. What is not: current stabilization, protection against overdischarge of the battery. Inside 3 batteries 18650 to 1800 mah, connected in parallel, but there is room for four. Charges up to 4,14 v this is good, doubles the akb resource. Charges 1a. With usb 2.0 output up to 2a at 4,99 v. Screws housing under rubber insert. /// I will install 4 akb of 3300 mah and overdischarge protection board with a limit of 3,00 v.
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