FYI... Lithium "cell" makers do not usually make "batteries".
So even if a USA company that makes batteries, they get the "cells" from China.
Almost always (and I can say this with 99.9% accuracy) cell makers do not make batteries. Battery companies (China or otherwise) buy the cells and make the batteries. And TRUST there are many come and go battery makers using Lithium technology! They come and go like the wind!
I could go into this for days about how all this works... Good battery makers take cells and analyze them to get the cells to match each other for charging rate and discharge rate. Basically trying to "match cells" for the best performance and service.
Matching cells is pretty important to a good "battery" life and service.
Taking random cells and building a battery still works but this is where the problems come from.
Anyway... Just sharing info I know...
Again I would not put a Li-on let alone for sure not a Li-po in the Spyder.
FYI, LiFePO4 is yet another Lithium chemistry. It's kind of inibetween a Li-on and a Li-po.
E.g. they have a higher discharge current rating than Li-on but not as high as Li-po.
And being in-between, hazards of using them are in-between.
So you know... Your Laptop, Phone, and major commercial products use Li-on. They do not need high current draw.
Things like RC Helicopter, Hover Boards, etc that you see far more fires on, use Li-Po.
LiFePO4 is not that popular due to the external requirements to use them.
Might be good for a MC though to be honest. I am not a LiFePO4 expert. All I can say is LiFePO4 is about 1% of Lithium battery sales across all markets / uses.
Bob