CBAK Energy Technology Limited (NASDAQ: CBAT), a China-based lithium-ion battery manufacturer, reported cumulative sales of approximately US$4.76 million to a European recreational vehicle (RV) energy storage company. The collaboration began with cell sample evaluations in 2023 and expanded into a commercial partnership in 2025. CBAK Energy supplies cylindrical lithium iron phosphate (LFP) cells and provides engineering support for the customer's RV OEM and aftermarket applications.