Citroen C3 mk3 - new battery - Diagbox - problem

[Gonzales]

Hello everybody,

I bought new Citroen C3 in 2019, and after just two years battery gone bad (i think) because Start-Stop system is not working from september 2021...
It has factory fitted Varta in a black box that i never seen (L2 EF 12V 60Ah 680A) ?! i took serial number of that battery (9822616180) and entered it on the Varta Automotive web page which stated that it only has 640A, not 680A as it is stated on the battery box, and in the picture it was silver colored...

Anyway, i am now looking for a new battery... But i have a problem, i though about buying better AGM battery instead of factory fitted EFB, but after connecting my car to Diagbox i got really confused. When i go into the menu to programm a new battery there is no AGM in the options, nor any other amperage...
Only
-Service battery L2-640
-Service battery L3
-Service battery L2-680

And
-GEL
-Reinforced cyclable fluid
-EFBC ?!

Can I use AGM battery ? And what is EFBC battery, i never heard of that one ever...
On Varta automotive it is stated that current battery is EFB but in the Diagbox it is programmed under Reinforced cyclable fluid...

I looked further and i found that in "Type of battery installed" the value was "Invalid value" which, according to description means that that battery is not the one that is programmed ?!

And if there is someone who can read this data, by this values does it mean that the battery is dead
- Voltage estimated on starting 7.86V
- Estimated voltage of the battery at the time of the engine restart request 9.30V

Thanks to everyone who can clear this things up for me !!!

[Gonzales]

After some days, i decided to buy a new battery, Exide EFB 60Ah 640A.
Start-stop is now working, and on the values it didnt change too much. It still thinks that it is JCI/Varta inside...

[ranko]

Battery current -3.53A is lot,is this is in OFF state?
Also wo load 12V is empty battery,min for huge load 9V for good one.

[Gonzales]

Not exactly, the screen is working...
This is with brand new battery.