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Thread: Petzl NAO Battery Problem

  1. #1
    Senior Member stumpy's Avatar
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    Petzl NAO Battery Problem

    My 2 year old Petzl NAO seems to have developed a problem. The low battery warning flash, which is supposed to be at about 25%, which is then very (too!!) quickly followed by a second flash and then a fade to the emergency level keeps coming on after about ten minutes use, despite the battery indicating all three green bars charged. Plugging it into the PC shows 70% charge remaining, even after a 50 minute run of faffing around switching it on and off to reset the low battery indicator!

    Anyone else had this problem, and ideally found a solution? I'm loathe to buy a new battery as they are 50+ and its only been recharged a maximum of 20-30 times.

    thanks!

  2. #2
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    Contact the dealer. I've had issues with a myo rxp which was well out of warranty and they just swapped it.

  3. #3
    Senior Member stumpy's Avatar
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    Cheers Matthew - sent Petzl and email, so will see what they say...don't want to throw the old one away though.

  4. #4
    Senior Member stumpy's Avatar
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    Hmm. They want me to send it to them for checking. Fair enough, but I'll have no head torch while it's gone so won't be able to run home from work!

  5. #5
    Master wheezing donkey's Avatar
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    Quote Originally Posted by stumpy View Post
    Hmm. They want me to send it to them for checking. Fair enough, but I'll have no head torch while it's gone so won't be able to run home from work!
    Headtorches are getting like modern cars, far too much fancy, unnecessary electronics. WRT the Nao, why is it necessary that a headtorch has the ability to automatically dip the beam? Surely most competent human beings know when to turn down the wick and are capable of doing that?
    I was a bit of an oddball until I was abducted by aliens; but I'm perfectly OK now!

  6. #6
    Senior Member stumpy's Avatar
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    I thought that at first, but it actually works quite well. The focussed long beam only comes on when you look up to see where you are going, whereas the flood is on most of the time, lighting where you need to see close up and are just about to put your feet. I'm presuming it saves battery life, but given the issues above I can't vouch for that - I've certainly never managed to get anything like the claimed 6.5 hours on the highest "reactive" setting.

  7. #7
    Master
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    Had a Myo some years back - after sales service was excellent but was needed too often - problems with breaking connections being the recurring problem. It may be that the Nao is more robust.

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