Factorial Reviews

I am posting this review to share my direct experience and serious concerns for anyone considering working at or engaging with this company. 1. Technology: Claims Do Not Match Engineering Reality From what I observed firsthand, the company’s public claims about its battery technology are significantly overstated. Key battery components are largely sourced externally, and I did not see evidence of strong, original in-house technology development. The electrolyte system that is frequently promoted as “breakthrough” appeared to rely on materials and approaches that are widely known and commonly used in academia and industry. Internally, I struggled to identify what truly differentiated this technology beyond presentation and messaging. The gap between external marketing and internal technical substance was obvious and concerning. 2. Management and Culture: Engineering Judgment Is Not Respected The most damaging issue is management. Technical leadership lacks sufficient real-world manufacturing experience, yet major decisions are made as the company pushes toward manufacturing timelines. Although experienced engineers were hired from well-known companies, their expertise was not meaningfully trusted or empowered. In practice, engineers were expected to align with leadership decisions rather than challenge them with data. Raising technical objections or safety concerns was not welcomed. Engineers who consistently pushed back on technical grounds are no longer with the company. Over time, this created a culture where agreement mattered more than correctness. Technical rigor declined, morale collapsed, and meaningful engineering progress stalled. 3. Safety and Ethics: Severe Safety Risks and Lack of Transparency This is the most serious concern. Based on what I witnessed, the batteries developed here pose serious safety risks. Failure events I observed were not limited to mild thermal incidents; they involved violent energy release that raised fundamental questions about system safety. Despite the severity of these events, they were not handled with the level of transparency, escalation, or corrective rigor that I would expect in a responsible battery organization. Instead, development and testing were often driven by external communication and publicity timelines. When data did not support the desired narrative, testing conditions and data presentation were adjusted to highlight favorable outcomes while downplaying critical risks. Engineers who raised safety objections were gradually sidelined, and many of them have since left. As an engineer, I found this approach deeply troubling and incompatible with basic professional responsibility. Final Advice This review reflects my direct experience. I strongly advise prospective employees and partners to ask very specific technical and safety questions, understand how dissenting engineering opinions are handled, and carefully assess whether the company’s priorities align with their professional and ethical standards.

Work-life balance is nonexistent. Environmental health and safety (EHS) is not taken seriously, and safety risks are not properly managed. Many people are overcommitted and don’t push back on things they should. There are not enough “people” managers and too many engineers in management roles. Morale is at an all-time low.