Lithium iron phosphate battery - Wikipedia, the free encyclopedia More about LiFePO4 batteries. OK, don't shoot me for using Lipo, slang for Lithium-ion polymer battery - Wikipedia, the free encyclopedia batteries. I can see how the LiFePO4 batteries can tolerate abuse a lot better than plain lipos.
I am personally like the idea of a small high speed turbo powered generator using capacitive storage technology with an electric motor.