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Product TOL-10244 | about a year ago

I’m reasonably happy with the performance of this little scope. But recently discovered there’s no low-voltage protection for the LiPo battery, which results in being able to totally deplete it. This is very bad, as LiPo technology does very poorly with this kind of abuse. At best it shortens the life of the battery significantly.
So, folks, make sure you turn this baby off when not in use. Don’t let it go dark on its own.
I hope they fix this problem in a future release. I’ll probably end up transplanting the circuit from a cell phone battery. It looks like there’s room for taping a thin card next to the battery.
Sounds like a good Sparkfun product (LiPo under-voltage protection circuit). Hint, hint.