Production begins in Singapore as Flint scales lower-carbon, cellulose-based batteries and expands pilots with global brands ahead of CES 2026. SINGAPORE, Jan. 2, 2026 /PRNewswire/ -- Flint, the Singapore-based deep tech company pioneering sustainable, cellulose-based, biodegradable, PFAS-free batteries, today announced that its paper battery technology has entered production, marking the transition from lab-scale development to manufactured cells ready for pilot deployments and customer programs. With prod ...