oops charged eneloops the wrong way round

[abarth_1200]

I pulled out my 6AA to 2D adapter today and fired some eneloops in it making sure they were all the right way round, i plugged the crocodile clips on either end forgetting which was the positive and proceded to plug the charger in the wall after which it started flashing red instead of a solid red, i came back to it 5 minutes later wondering if it was still flashing and it was so i unplugged them and tried them in my rop, they worked fine.

I now have them on charge the correct way round

Is there any chance these eneloops are wrecked now

 

[Yoda4561]

Depends on the charger. Hopefully it had reverse polarity detection, in which case it should have not tried to charge at all.

 

[abarth_1200]

i think it does because it was just flashing and the batteries werent hot

 

[Jarl]

flashing usually means "there's something wrong here, no way I'm charging these!!"

They should be absolutely fine, but if you want to be sure, then grab a multimeter and measure the voltage, paying attention to the polarity. If you're unsure, grab a battery out the TV remote or something (or even a li-ion), measure the voltage, check the polarity, then measure the voltage on your eneloops. If they've got the same polarity, you're fine