Our high-performance Barnes & Noble Nook lithium-ion replacement compatible batteries are designed to provide reliable power for a wide range of devices, ensuring optimal performance and longevity. Key features include: - Battery Type: Lithium-ion (Li-ion), Voltage: 3.7V, Capacity: 1250mAh / 4.63Wh, Dimensions: 65.80 x 53.70 x 4.80 mm, Weight: Approximately 52g, Color: Black, Certifications: CE, UN38.3, and MSDS compliant. Durability: Constructed with high-impact ABS and polycarbonate plastic for enhanced strength and resilience. Performance Guarantee: Guaranteed to perform at 80% of original capacity for 12 months. Compatibility: Suitable for various models, including 005, 9875521, 9BS11GTFF10B3, BNRB1530, BNRB454261, BNRV100, BNRZ100, BNRZ1000, Nook, Nook Classic. These batteries are engineered to meet or exceed OEM specifications, providing a cost-effective and dependable power solution for your devices.