These guys: Microvast 10Ah 20C LTO Prismatic Cells | SRIKO Batteries | Online store for electronics | Online battery store
I’ve talked these up on facebook, nobody seems to share my optimism that these would make a great FLIGHT pack for a board.
Apparently Microvast has been around for a couple years, has been quietly making these and several larger versions for EV OEMs.
Within the FAA and carrier rules, it seems possible to carry 2x 160Wh packs + 2x 100Wh packs provided the 160Ah packs power something into which they’re installed. I’ve no problem making a boombox or flood light etc who’s sole purpose is transporting a battery pack.
These are NOT very dense vs NMC or even LFP, but are good enough to satisfy my goal of a ~15mi board that can be charged in ~15min. They’re also gloriously cheap, and available from Illinois (via sriko batteries), not just directly from China. $10ea even in small quantity.
I’d like to make/carry 2x 5S packs and 2x 4S packs, which I’ll assemble into an 18S1P 43Vnom, 50.4Vmax (same charging voltage as 12S NMC) pack. They weigh 300g ea, so 5400g = about 12lbs.
I’d be packing 432Wh on paper ~ 367Wh useable cycle life, so should net 12-15mi at ~27-30W.
My hobby budget is shot for the season, I can’t afford to tinker with these until I’ve sold some golf cart / mower / solar packs… I’m hoping someone else will give these a shot.
As for charging, even a single 900W (Lacroix or similar) charger would take only 22min to push 367Wh. I intend to push harder than that.
Anybody else excited to play with these, give 'em a try for eskate?