High-Performance INR21700-40P Lithium Phosphate Battery
Premium Grade A 3.7V LiFePO4 battery with ultra-high 4000mAh capacity, delivering stable 40A/50A continuous discharge for demanding applications. Precision-engineered with advanced lithium iron phosphate chemistry for enhanced safety, thermal stability, and 2000+ cycle lifespan. Ideal for high-power devices: DIY 12V 100Ah battery packs, solar energy storage, electric vehicles, power tools, and industrial equipment. Robust construction features anti-leak design, pure copper terminals, and reinforced casing for extreme durability. Global wholesale pricing—direct factory supply ensures unbeatable value for bulk orders. Trusted by professionals for reliability, backed by strict QC testing. Elevate your power solutions with industry-leading energy density and performance.