3.6V 4000mAh Lithium Er18505 Primary Lithium Battery for Torch Light

3.6V 4000mAh Lithium Er18505 Primary Lithium Battery for Torch Light. High Energy Density: Up to 650Wh/kg and 1280Wh/L for compact power solutions. Long Service Life: Achieves a service life of 10 to 20 years with superior shelf life. Excellent Safety: Inspected by laboratories and meets UN transportation test requirements. Customization Options: Flexible customization available for dimensions and specifications. OEM and ODM Services: Full OEM and ODM services available for brand customization. 100% Quality Inspection: Every finished product undergoes visual and function inspection.