Szdcoo BP-8381 11.1V 4400mAh Li-ion Replacement Battery for WinBook — Fits 441677397001 / 441677398001 / 441677399001 / 441677399201 / 441680000034 / 441680020002

Compatibility: Replacement battery compatible with WinBook devices that use the following part numbers: 441677397001, 441677398001, 441677399001, 441677399201, 441680000034, 441680020002 and model BP-8381. Please verify your device’s battery part number before ordering to ensure proper fit and operation. Technical specifications: Li-ion chemistry; Voltage: 11.1V; Capacity: 4400mAh. Physical dimensions: 205.72x50.38x22.00mm. Weight: 460g. Protection and safety: Built-in safeguards against over-charge, over-discharge, over-heat, over-current & short-circuit. Certifications: ISO9001, RoHS, CE, UN38.3, and MSDS. Service and guarantee: 12-month Warranty and 30-day Money Back Guarantee. 7*24 hours customer service available for questions and support.