11.4V 48Wh 4200mAh Laptop Battery for Acer Travelmate Spin B3 B311RN-31 (NX.VN1EB.00B) B311RA-31-C75F (NX.VRNEF.004) B311RA-31-C6GH (NX.VRNEZ.001) B311R-32-P62D (NX.VQVEH.002) B311R-31-P7VT

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