TELO has used its latest update to lock in one of the trickier decisions for any new EV: how the battery is wired. In the video, the company says its compact electric truck will use a split high-voltage pack, running two 400-volt sections in parallel and one 800-volt section in series. The point of that arrangement is compatibility. TELO says the truck can pull up to 400 kW at 800-volt stations while still charging well at the far more common 400-volt chargers, and that the rate is sustained rather than a brief spike at the start of a session. The company has not put a charging time on it yet, but says it expects buyers to be pleased once it does.
The split-pack idea exists to dodge a real-world trap. Most 800-volt EVs, including cars like the Porsche Taycan and Hyundai's E-GMP models, rely on a boost converter to charge at 400-volt stations, which are still the majority of fast chargers in the United States. Cars built only for 400 volts, on the other hand, give up the quicker times an 800-volt charger can deliver. TELO says its layout is meant to get the best of both without that compromise, which matters more for a small, lower-range truck than for a long-range sedan, because owners will lean on public charging during longer trips. That is the buyer angle the spec sheet alone misses: charging behavior, not just peak kilowatts, is what decides whether a smaller battery is livable.
The company frames the work as packaging as much as chemistry. According to the video, fitting a dense series-and-parallel high-voltage pack into a small footprint was a significant engineering challenge, and TELO says only a handful of other vehicles attempt the same trick. On cells, the presenter argues the broader battery world is improving steadily rather than in sudden leaps. The video says the cells TELO uses today hold about 20 percent more energy than the ones it used a year ago, while carrying roughly a fifth of the internal resistance, which lets more current move in and out. TELO claims that lower resistance helps on several fronts at once: faster charging, more power and torque, and better longevity through less heat. It also pushes back on dramatic lab claims, saying new chemistry typically takes five to seven years to reach production.
Bottom line: This is the kind of unglamorous engineering decision that quietly decides whether an affordable EV is pleasant to live with. TELO is right that sustained charging speed matters more than a headline peak number, and designing for the chargers that exist today rather than the ones promised tomorrow is the sensible call. The caveat is that none of this is proven until there is a shipping truck and a real charge curve to measure. Treat the 400 kW figure as a target, not a result, and wait for the charging time the company is still holding back before getting too excited.
Commentary on a third-party video. Figures and claims are as presented in the source and have not been independently verified. Spotted an error? Tell us and we will correct it.