Are my 18650s and charger safe?

Z

z_Xandra

Guest
I have recently purchased two of these 18650 batteries:



http://www.batteryjunction.com/ultrafire-18650.html



and this charger:



http://www.batteryjunction.com/tlunlichfor1.html



Not knowing anything about these batteries and charging processes I have read the manual and put batteries in the charger. Approximately 4 hours later light has turned green and I have pulled batteries out.



Today I have read more on batteries which made me want to check their voltage. I found my (very) old multi-meter and got shocked to see one battery was reading 4.6V and other 5.1V.



So I wonder what happened? And even more importantly are my batteries and charger safe?



Your help will be appreciated :)
 

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