Panbo reviews the SFK-275 EX and gets in the weeds with a lot of detail and analysis that you simply don't find on other sites or reviews: https://panbo.com/sfk-275ex-space-efficient-and-feature-packed-lifepo4-battery/ so if you want an expert analysis of what the 275EX is all about head on there for a read. Please note for those wondering, yes the 300Hp includes all of the same features ;).