VC Parsons SBS Weak Battery ?

[Jooki]

14 minutes ago, dwcraig1 said:

Here's my 80 back to normal. This is just an example of voltage drop where the device has resonably good connection between battery and board. This mod uses a chassis ground for all grounds.

That's 4.13 volts on the cell to start, fires to 45 watts and drops to 35 watts.

 

For comparision here is a DNA60C with LiPo, note only slightly better voltage drop.

i see, so, for me to understand, would you call my mod deffective?

[dwcraig1]

1 hour ago, Jooki said:

well, the contentious point of the guy that is overseeing my case on the shop i bought it, the one that tested it with a coil with no cotton in it (LMAO) said that running the test on another mod such as my tita aio wasnt a good comparison because it runs at a higher resistance, meaning lower amperage...


i honestly don't know much on the subject, i'm just a scuba diving instructor... so i don't know what or who to belive.

these are the tests i did run with my tita aio x2, i did run with the same battery, less charge, what i did observe is that the voltage cuttof is at 3,2 and then progressively goes down to 3,1, while with the parsons is flat out at 3 and the wattage is throttled while with the tita is stable.

The voltage dropped to 3.1 but it still didn't hit the software cutoff

[dwcraig1]

4 minutes ago, Jooki said:

i see, so, for me to understand, would you call my mod deffective?

I would say there may be some resistance in the path of the power from the cell to the board. I say that because you said that you tried higher current cells. You have to have the power availible.