Vertex Standard VX 921 Replacement Battery Advertise Single This is a replacement compatible This is a replacement compatible battery for Vertex Standard EVX 539 which comes with a 30 days money back guarantee and 12 months warranty 20 BSDL2 LI5200#B 5200mAh Li ion 3 Vertex Standard VX 829 Guaranteed to perform at 80% of original capacity for 12 months
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