
Replacement Battery for 4icr19/65-3 Li-ion Smbus Battery. High Capacity Options: Available in 6600mAh and 7200mAh capacities for extended usage. Customization Service: Full customization available for battery cells, brands, and designs. Medical Grade Quality: Designed specifically for medical oxygen concentrators and devices. Premium Cell Brands: Utilizes high-quality cells from LG, Sanyo, Samsung, and Panasonic. Comprehensive Certifications: Passed CB, IEC62133, UN38.3, CE, FCC, and DGMMSDS certifications. One Year Warranty: Includes a one-year warranty covering battery defects and performance. OEM/ODM Support: Offers both OEM and ODM services with flexible customization options. Fast Production: Daily production capacity of 10,000 to 12,000 battery packs.