Just to repeat offline comment:
I could turn the Pen On and Off just fine, with the LED blinking twice green
for On ...
BUT that was only if connected to power via USB. After 3 hours of charging
on two known good chargers (my cell works fine on both of them) it would not
power On with battery only.
When powered via USB attached, it worked fine with my Lenovo Yoga.
It just will not power on without external power. Hence dead battery.
I'm pretty thorough when it comes to debugging hardware. What I suspect
is that, the document says the pen will hold a charge, when not in use, for
some? amount of time. I thought it was Weird it had such a short life when
Off. Often rechargeable batteries when discharged fully will reverse bias the
cells that discharge first, thereby killing the battery. If you are lucky enough
to get a Pen with balanced cells, it will not damage and be fine.
Given how long it probably was on the shelf, the battery was already toasted
unless you got one of the lucky ones.
I design circuits that have to function on a battery for 2 years, so for the
Pen to discharge, when not in use, means a bad designer or firmware
engineer. If it were my design, it would drain maybe 10-20uA, if I did
a bad job, which for say a 500mAH battery would be 25000 hours.
OK 100mAH battery with my bad design of 20uA:
5000 hours = 208 days. Then Pen should be holding a good charge
for a long time when powered off.
I don't recall the exact time now, and the manual download from the
site is not working for that document. I get a download error
https://wcm-cdn.azureedge.net/-/media/files/downloads/product%20support/qsgs/onyx_qsg_web_170823.pdf
Maybe I'm wrong?
WayneS
At 5/17/2019 06:45 PM, you wrote:
>Wayne wrote:
>> Just an update. I looked at the Bamboo Tip Pen on Amazon and saw a lot of
>> negative reviews about the pen not working on battery. I purchased one on
>> B&H and tried charging it from two different sources and two different USB
>> cables. It would not work on battery. I would work while plugged in to USB.
>>
>> Given the high number of bad reviews with the same issue, I would suggest
>> NOT getting the Bamboo Tip Pen. I am often skeptical when people write
>> negative reviews as often it is pilot error. But I think Wacom has a quality
>> issue and charges double for their products because of their name.
>
>
>(I communicated off-list to Wayne, but I'll respond here too).
>
>It is possible that the battery/electronics in the Bamboo Tip were
>defective. However, I thought mine was defective too. The instructions
>were oblique enough that it wasn't entirely clear how to turn it on
>CORRECTLY. I had to go visit the "University of Google" to find out
>how to actually do it where it worked correctly. Once I did, the
>defective battery suddenly wasn't so defective. But what was also
>frustrating was that many comments and recommendatons in forums and so
>forth on the Bamboo Tip were also incorrect. I had to try multiple
>instructions and "reading between the lines" before realizing how it
>worked.
>
>Another issue (one that Moose probably encountered) is that there are
>not two versions of touch screens used on Windows laptops, but no less
>than four. The Bamboo Tip works correctly and naturally with the
>technologies used in both touch-screen versions of Windows Surface
>devices and supports some of the legacy touch-screen types. There is
>an easy to flip switch on the Bamboo Tip that instantly changes the
>stylus to support either of the newer screen types. This switch will
>improve functionality with some of the legacy screen types. If it
>doesn't work with one settings, flip the switch and try again.
>
>Through it all, I discovered that it works peachy with one of my
>Lenovo Yogas, but only on part of the screen of the other.
>
>I believe that a Microsoft Surface, with full-featured stylus, is
>probably the best setup on the market right now.
>
>Oh, as to the battery in my Bamboo Tip, I just put it on the charger
>for the first time in a month. It's just the second time since
>purchasing it. I'm having absolutely no issue with battery life once I
>figured out how to operate it.
>
>AG Schnozz
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