Dead S340 only after a few weeks

Received (2) S340s brand new a few months ago as gifts from parents. Didn’t get around to trying them out until a few weeks back.

Both units worked fine until a few days ago when one unit just went offline. Other unit is working just fine.

Offline unit will not charge and shows no LED light when plugged into wall charger.

I let it charge for full 24 hrs and still seems dead, no LED light, no nothing. Tried various high power USB chargers and different cables, nothing works.

I also tried charging via my Anker power brick that measures charging output, and it reports 0 watts, so this seems very dead. I am thinking the battery just crapped out.

My parents don’t have a copy of receipt, so this one unit seems like a dead paperweight now.

Curious to know if anyone has been able to pry the S340 open to access the battery. Previous S330 seems to have easier access to battery.

Some internal shots are here from Anbotek’s teardown. Battery is visible, but reading the label is too fuzzy.

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I’m pretty sure when you charge it. It has to be 5 volt, 2 amp output only. if it’s anything higher, it won’t charge

Most new phone chargers are all higher voltage now they don’t work to charge the S340. I was very disappointed when i figured that out

I dont think this has anything to do with it. All devices will draw the required current. If you use lower amperage charger, it will just take longer.

Regardless I tried many chargers, some lower amperage and some higher, all output 5V. The S340 is just dead. The fact that the Anker power brick is showing 0W being drawn is the smoking gun.

I don’t think you’d be able to find a battery pack replacement, that’s a special item.

Was it bought online? If so you should probably be able to find a purchase order.

Just thinking here, solid blue led when it’s charging, LED off when fully charged. Perhaps it just shut itself down.
See if tapping the sync button a few (5) times turns it on.
Or maybe it can be reset?? Hold the sync button down for 10 seconds.

I’d have to agree with you on the battery, it looks quite proprietary. My parents bought from a big box store near them a while ago, and could not find any receipt and already looked though their credit card history. I didn’t get around to opening these until recently.

Plugging the dead unit into a charger show no lights, just nothing. Pushing, tapping sync or holding it down also does nothing. I think this is dead as a door stop. A shame as it was not used for more than a few weeks, even with motion detection disabled.

Too bad you can’t find the receipt, well then if I was in your predicament and can’t get warranty on it…

I would attempt to open it up just enough to disconnect the internal battery then check the voltage of the battery with a multimeter, if you don’t have one of those, then possibly just disconnecting the battery for a few seconds and reconnecting it might bring it back to life.

Look what I found… But don’t know if it’s an exact replacement.


Won’t work, the battery in the s340 is 6 pin (from the anbotek teardown) and the one you sent is 5 pin. Regardless, God knows if the connector is even compatible.

I’m just going to go ahead and buy a replacement, and maybe in the future we’ll try to open this as a science project. The housing is completely sealed. I don’t know if a heat gun will open it up or if plastic tabs are permanently closing this shut. But I do not think that there are any screws to get this sucker open.

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