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gutekpl 2018-02-07 13:35:56
The flashlight seems to be very good, unfortunately it is badly underdeveloped. Despite the well-done modes control, protection against excessive discharge of the battery and information about its condition, built-in TP4056 charger. It has one disadvantage that disqualifies it. Namely, the flashlight pill has a hole under the diode. Through which the LED which gets over 1.5A has NO COOLING. With such a current, the uncooled LED will burn very quickly during continuous lighting !!
Komentarze (4)
  • Banggood We have been committed to providing better products and better quality of service to our customers. If you have any questions or suggestions about our products, you can contact us anytime. We will always be here to help you to solve the problems:) Best regards, Banggood Team

    2020-11-23 14:04:28
  • thanar Does it indeed have low-voltage protection circuitry? If you leave it on, does it automatically shut down on 3V when using unprotected cells?

    Odpowiadać 2018-02-16 02:48:17
  • thanar Hello. Can you possibly comment on whether this flashlight has a over-discharge protection circuitry? TP4056 for charging is OK and generally works fine with any 18650 cell, but what about low-voltage cut-off?

    Odpowiadać 2018-02-20 04:24:02
  • thanar Hello gutekpl,I also found that there is a hole under the pill and all heat is dissipated by the pill's circumference. However, I did not measure anything above 900mA on a full cell, which translates to around 1.2A on the pill (XM-L T6 is rated up to 3A). I also noticed that the current goes down as the flashlight gets hotter, presumably the diode's internal resistance raises. That said, I don't think it will have any longevity issues due to heat.

    Odpowiadać 2018-03-08 11:31:42
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