Car charger not charging 100%

[cdusher]

Just recently returned from Iceland where we drove the Island for 5 days.
It's the first time I had used the DJI car charger and it appeared to work fine except it
would not charge a battery over 86-87%
Tried starting the battery and re-pluging the charger. It appeared to due further charging, but still
only showed 86-87%.
Thought this was a bit odd.

 

[John Locke]

That's not good to hear. I just bought one of those. I'll have to try it out.

 

[mrrf900]

I have been looking at car charging for a while now and considering the best way to do it. Some ppl like inverters and other dont.
It would seem the most efficent way is DC/DC step-up.
Im looking at one of these - DC/DC stepup