Our high-performance Barnes & Noble GlowLight 3 lithium-ion polymer 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 Polymer (Li-Polymer), Voltage: 3.7V, Capacity: 1500mAh / 5.55Wh, Dimensions: 84.15 x 49.50 x 2.70 mm, Weight: Approximately 80g, 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 BNRV520, GlowLight 3. These batteries are engineered to meet or exceed OEM specifications, providing a cost-effective and dependable power solution for your devices.