Recent content by ronbot

Truly, a master DIYer at heart! You have skills above most, so you are able & willing to put up with the inconveniences that allow you to save $$ in exchange for some additional work... that's what DIY is all about! But "tin can chargers"... I'm lost on that term... care to explain? I assume...

Cool! Looks like wholesale pricing... correct? But that's only the BMS... what CC/CV charger do you use? How long does it take to charge & balance, if there's any to do? Using R/C battery packs, is that right?

"Personally what would be most useful is a programmable charger that you can create your own profile and have some simple logic. For example, if the pack voltage is below 40V, charge at 1A. Once above 40V charge at 5A. At 56V, reduce charge to 1A. Also helpful would be one or more logic level...

Adding another simple but very useful feature... possibly even two... (As I said, I'm still in the design process, determining what I want, and what others might want as well.) Cell low voltage detector(s) 1) Cell DEAD: When the cell drops to 3.2V (probably adjustable) it will pull an Open...

True! The more identical cells you parallel, the more the load gets spread out, the less stress (load) that any one member of that paralleled group would be asked to bear. This is exactly how Tesla configured their Model S battery packs... many cells in parallel for each "4.1v group"... but...

YES... but as one who has done study on battery technologies, that's not normally a good idea. Over time, each cell will develop their own, "independent personality"... much like twin siblings. Born together, they are very compatible in early years, but as they mature - each develops their own...

It takes a bit different viewpoint to see the full advantage, and can't be compared to a Charger with BMS. Yes, the charger modules are able to be permanently installed with the battery pack, recommended because otherwise you would need every cell-to-cell junction brought out of the pack (along...

Man-o-man... how does one position ones' self to come across such an incredible freebie??

Quite a few "reads", but no replies... I take it this means no interest?

How to start this... I've had 25+ years in electronics design engineering, along with being a lifelong hobbyist. Rechargeable battery technologies has been a keen focus of mine for many of those years (along with alternative energy systems). I'm in the middle of a personal Lithium conversion...