MO Testing: WPS Firepower Featherweight Lithium Battery

Well, the old Shorai LFX battery lasted nine years in my carbureted 2000 Yamaha R1, so if this one does that well, I’ll be happy. When we got the Shorai in 2010, lightweight lithium batteries were a new and exciting technology to fear and loathe, and Shorai was one of the only players. Today, there are many more lithiums on the field, so I did what most people do: I looked for the cheapest lithium battery that didn’t have terrible reviews. 

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