Szdcoo Replacement Battery for HP — Compatible with 821691-001 / 854050-421 / 854050-541 / 854109-850 / HSTNN-LB7K / HSTNN-UB7D / ST03XL | 11.55V 3800mAh (43.89Wh)

Compatible Part Numbers: 821691-001, 854050-421, 854050-541, 854109-850, HSTNN-LB7K, HSTNN-UB7D, ST03XL. Please verify your device's battery part number before ordering to confirm compatibility and restore proper operation. Battery specifications: Li-Polymer chemistry, Voltage 11.55V, Capacity 3800mAh / 43.89Wh. Physical dimensions: 160.00x127.10x8.10mm. Weight: 356.4g. Built-in protections include over-charge, over-discharge, over-heat, over-current & short-circuit protection to help ensure safe, reliable performance. Quality and compliance: certificated with ISO9001, RoHS, CE, UN38.3, and MSDS. Purchase with confidence — 12-month Warranty and 30-day Money Back Guarantee. 7*24 hours customer service available for support.