07-Nov-2023, 07:34 AM
Well, yes, check, but many likely issues are not visible anyway, and vigilance DURING charge is vital.
I use lots of 150-200 1S for E010/JJRCH36, etc. In the last year they have got harder to source, with most UK available ones being silver and black labelled 220mAh.
They have always had a clear or more recently yellow transparent film cover to the solder plate where the battery connects to the plug wires.
More recent batches of these have ONLY had this film. They USED to also have silver striped reinforcing tape lengthways around the cell over this.
The connector lead goes in one corner, but then runs across inside this yellow film to almost the other corner to be soldered to the connector plate.
ANY tugging AT ALL on the lead pulls off the barely adhering transparent cover, leaving the battery with partially or fully exposed terminals.
With no other alternatives of the shape, and other than this issue them being better than all alternatives, I have continued to buy but have used Blenderm stretched around the whole packaging. This retains the end securely.
AS SUPPLIED though they are dangerous!
I did actually contact Trading Standards, as they were UK stocked, but they were about as much use as a chocolate teapot.
ALSO, do NOT consider the usually very good GNB (or ANY maker) as being issue free on supply. ALWAYS check cell voltages on arrival and ALWAYS carefully physically inspect.
This year I have had two GNB 2200mAh 3S dellivered with one cell 0v, but the pack output voltage present (obviously 3.8v down!). This means that cell was shorted at some point before getting to me. Without external indication.
I have had another delivered like that, one cell short, pack active, but you could SEE leakage from the "shorted" cell, and that was a 4000mAh 6S, so potentially a pretty big fireball.
So far this year I have had three or four packs start to get over warm during 1C charge. No swelling or other visual or aural indication (yet!). No, I don't leave them unattended, but these were only caught as I check temp by touch periodically during charge. (I can be charging four 1550mAh 6S at once on separate chargers). Would I have had time to react when the issue became more noticeable had I not been physically checking?
I use lots of 150-200 1S for E010/JJRCH36, etc. In the last year they have got harder to source, with most UK available ones being silver and black labelled 220mAh.
They have always had a clear or more recently yellow transparent film cover to the solder plate where the battery connects to the plug wires.
More recent batches of these have ONLY had this film. They USED to also have silver striped reinforcing tape lengthways around the cell over this.
The connector lead goes in one corner, but then runs across inside this yellow film to almost the other corner to be soldered to the connector plate.
ANY tugging AT ALL on the lead pulls off the barely adhering transparent cover, leaving the battery with partially or fully exposed terminals.
With no other alternatives of the shape, and other than this issue them being better than all alternatives, I have continued to buy but have used Blenderm stretched around the whole packaging. This retains the end securely.
AS SUPPLIED though they are dangerous!
I did actually contact Trading Standards, as they were UK stocked, but they were about as much use as a chocolate teapot.
ALSO, do NOT consider the usually very good GNB (or ANY maker) as being issue free on supply. ALWAYS check cell voltages on arrival and ALWAYS carefully physically inspect.
This year I have had two GNB 2200mAh 3S dellivered with one cell 0v, but the pack output voltage present (obviously 3.8v down!). This means that cell was shorted at some point before getting to me. Without external indication.
I have had another delivered like that, one cell short, pack active, but you could SEE leakage from the "shorted" cell, and that was a 4000mAh 6S, so potentially a pretty big fireball.
So far this year I have had three or four packs start to get over warm during 1C charge. No swelling or other visual or aural indication (yet!). No, I don't leave them unattended, but these were only caught as I check temp by touch periodically during charge. (I can be charging four 1550mAh 6S at once on separate chargers). Would I have had time to react when the issue became more noticeable had I not been physically checking?
![[-]](https://intofpv.com/images/collapse.png)
