Formosa Plastics unit secures UNECE R100.03 E-Mark for bus battery system

Formosa Plastics Group unit 台塑新智能 (Formosa Plastics New Intelligence) obtained UNECE R100.03 E-Mark certification for its electric bus traction battery system, which uses lithium iron phosphate cells produced at its Changbin plant in Taiwan. The system was certified as a standalone REESS, and it also passed conformity of production (COP) assessment. The Changbin plant holds IATF 16949 certification, supporting bus OEM applications under Taiwan's electric bus subsidy program.

Key facts

Market context

Lithium iron phosphate (LFP) cells are a widely used battery chemistry valued for thermal stability, long cycle life and the absence of cobalt and nickel, which makes them attractive for buses, commercial vehicles and stationary energy storage. Demand is driven mainly by electric vehicle fleets, public transport electrification programs and grid-scale storage projects. Type-approval schemes such as UNECE regulations are the gatekeepers for selling battery systems into European vehicles, so certification is often a prerequisite for OEM qualification and can take considerable testing and documentation. Suppliers that clear these hurdles gain access to regulated markets and may reduce dependence on imported cells, which can shift sourcing decisions for bus manufacturers. For buyers and investors, such approvals are a step toward wider supply-chain participation rather than an immediate change in global LFP pricing, which is set largely by Chinese production capacity and raw material costs.

Source: official release on fpg.com.tw. Summary and context written by Market Krystal.