For years, “next-gen battery tech” in the e-bike world (and the EV world in general) has mostly been a promise. Solid-state batteries were always just around the corner, hyped in EV headlines but nowhere to be found on actual bikes you could buy. That may finally be changing. No, I’m not talking about those Donut batteries for electric motorcycles, which are still mired in controversy and increasingly shaping up to be a let-down. I’m talking about batteries for honest-to-goodness electric bicycles. First, we heard about T&D, a Bafang offshoot that has developed semi-solid state batteries for e-bikes. Then we got word that Giant would begin integrating those batteries into its e-bikes. Most recently, we learned that California-based e-bike maker Ride1Up is now launching the Revv1 EVO moped-style electric bicycle featuring a semi-solid-state battery. Advertisement – scroll for more content And these aren’t just press releases or vaporware. For its part, Ride1Up tells Electrek that its first production batch of semi-solid state batteries is already undergoing UL certification at TUV laboratories as I write this, and …