Cameron Sino 2600mAh Battery for Vertex VX-600, VX-820, VX-821, VX-824, VX-829, VX-900, VX-920, VX-921, VX-924, VX-929 (2600mAh) .Cameron Sino offers premium quality batteries and chargers at an affordable price. Our products are CE and RoHS certified .We offer a wide range of products Additional Details ------------------------------ Product description: Features: Battery Specification: Compatible Fit Model: Compatible Part Number: