Hello Which battery to buy? 8 Cell Ballistic EV02 LiFePO4 Lithium Bike Battery https://www.amazon.com/Shorai-LFX14L2-BS12-Extreme-Lithium-Powersports/dp/B005FIUJ0S https://www.antigravitybatteries-uk.co.uk/small-case-type-batteries/antigravity-battery-ag801.html Thanks, Steffen

I was looking to get a battery for my bike, but since removing the air-box figured get the lithium type batteries because can be mounted at different angles. I like the Ballistic, 8-cell Evo2, but read online someone said that their warranty only covers it if used in a bike on their site, and...