Recent content by kokoskokou

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  1. K

    18650 Cell Phone Charger

    well, in this case I could cut a usb extension cord in the middle and solder the part with the female usb adaptor to the 5.5mm adaptor so that the cable will hang out of the box.
  2. K

    18650 Cell Phone Charger

    you can always change the connector to whatever you like. I mostly change them to USB. I do have some solar cells and i think i can charge the batteries in the unit with solar power. I am not in the UK. I visited Newcastle 25 years ago but, still remember metro going to North Shields and South...
  3. K

    18650 Cell Phone Charger

    I agree with you. where did you buy yours from? btw are you in Newcastle ? :)
  4. K

    18650 Cell Phone Charger

    yes, i know but normal is not just a specific temperature. it's a range may be 30 to 70 is normal and above 65 is dangerous. may be 30 to 45 is normal and above 50 is dangerous so I have to worry. Once I had a chinese phone charger which exploded next to me and believe me I don't want that to...
  5. K

    18650 Cell Phone Charger

    i have mnaged to place a thermometer sensor on the 100 part. the temperature in 10 minutes went up to 60C / 140F I don't know if this is normal. it's charging an old phone I have. it's more than 45 minutes and it seems to be OK. I found a scheme which shows the jumper connections for various...
  6. K

    18650 Cell Phone Charger

    Re: Mobile USB power I have to open the case to reset it. :p Mine goes more than 41C without connecting any device on it. (I don't know up to which temp it gets as I am using an infrared body thermometer)
  7. K

    18650 Cell Phone Charger

    Re: Mobile USB power Naguz, Monocrom, HKJ thank you for the information. I think the smell was because it is new. and maybe it was not hot but just warm. By the way there is a jumper inside which I have read in this thread is to adjust the amperage. Do you know the adjustments?
  8. K

    18650 Cell Phone Charger

    Re: Mobile USB power hi. the button you see next to the three LEDs in my picture is the test button and not the reset button. the reset button is still inside on the upper side of the photo.
  9. K

    18650 Cell Phone Charger

    Re: Mobile USB power hi. I have just received this charger and I have a question. I installed unprotected 18650 batteries and the black square component in the middle of the board (which has number 100 on it) gets hot and smells when I switch on the device. After 30 seconds it starts to get...
  10. K

    I have swapped the LED of flashlight and need assistance

    thank you. do you think if I solder the led without a resistor or driver can instantly damage the led or is it safe for a few seconds to experiment? also if I need the resistor is this the correct? 0.1 ohm 1W (I am asking because I will order it from china and it shouldn't worth waiting 15 days...
  11. K

    I have swapped the LED of flashlight and need assistance

    I have a small Cree flashlight using one 18650 battery and the cree is 120 Lumens. I have swapped the led with an XML-T6 which is around 850-950 Lumens the problem is that the previous LED has a driver which makes the XML-T6 not work at full power (it's not bright enough) What can I do to make...
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