I pulled out my digital calipers and started measuring a bunch of cells, with the wrapper on. Most of my cells seem to be out of round. The average minimum diameter seems to be around 18.15mm, And the average max is 18.25mm. The absolute max dia. I saw was 18.29mm
I am working through a...
I just realized that the battery tester has 3 charge/discharge rates: 500ma, 700ma, and 1,00 ma.
Pros and cons of the different rates? It is taking a long time to process batteries at the default 500 ma rate. Any reason not to use the higher rates?
Thanks for sharing your knowledge and...
Has anybody received on of these Opus battery testers from these cheap ebay listings?
There is a series of listings, each for 10 or less items, and only one item per buyer per 10 day period, from low-feedback sellers from either china or Canada.
It seems suspicious, so I am looking for someone...
If I wanted pay someone to make 80-cell battery packs for me, what would be a fair price?
Edit: Used cells with soldered fuse wires. Sticky adhesive removed from at least the external cells. (Thanks for the clarifying questions!)