MiBoxer C4-12 overcharges INR18650-30Q to 4.48v!

[RobertB]

d_t_a just curious, why did you post this same thing twice? and both on the same day

INR18650-30Q severely overcharged by MiBoxer C4-12 charger -- is it now bad?

I was testing the new MiBoxer C4-12 charger with some of my batteries (18650s, AAA, AA). I was VERY SURPRISED when I noticed the charger indicated 4.48v "Full" reading on my precious INR18650-30Q (as this is the only 18650 that Banggood ever shipped to me -- it was bought with the BLF A6 -- I pay the BLF A6 to get the battery shipped to my country, bare batteries cannot be shipped). Fortunately, I think it was only about 30 minutes or so when I placed the INR18650-30Q (the 30Q was around 4.1…