This is a 12.8v 300ah (really it's 280ah) Dumfume Lifepo4 battery. That's a total of at least 3500wh capacity. So even if you take it down to 20% charge, that's still 2800wh of usable power in a ...

As recently as this past winter, solid-state batteries were touted as future tech poised to move electric propulsion rapidly forward. Jumping ahead a year, Honda ­announced limited production of these ...