Can anyone please tell me how I would go about changing the battery over in my light please!!! I have so far taken off the lens cover and have undone the 3 x 1.5mm Allen screws to release the outer housing but still can not get to the battery :-( Thankyou

  • Have you read the user manual for this light? Is there a section on changing the battery? What about that section is unclear? – Paul H Jun 13 '19 at 20:24
  • I have read the user manual and to my knowledge Paul there is nothing on changing the battery. Please correct me if I'm wrong!! – user43985 Jun 13 '19 at 20:29
  • Do you a have link to the manual? It's difficult to verify your assessment without it. – Paul H Jun 13 '19 at 20:31
  • 1
    knog.com.au/userguides – user43985 Jun 13 '19 at 20:36

A quick google search turns up this forum entry by user “RNAV”: https://www.bikeforums.net/electronics-lighting-gadgets/1085170-knog-arc-5-5-battery-replacement.html

Remove the trim that surrounds the lens. There are four phillips screws holding the lens in place -- Knog fills these in with epoxy so you can't use them. I dug out the epoxy with a razor blade. Unscrew and remove the lens, and you'll see the LED circuit board. There are three black 1.5mm allen bolts; unscrew these. This loosens the heat shield from the body of the light that holds the battery. Gently slide the heat shield (with the circuit board still attached) forward, and it will reveal the 18650 battery compartment (spring loaded on negative end). Remove / replace battery, and perform steps in reverse to reassemble.

As you can tell, it’s hard to get apart (not intended by the manufacturer) but at least it uses a standard 18650 Li-Ion battery.

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