High quality replacement battery for you~ Replacement Battery for: * SK9000 * SK9000 bodypack transmitters Compatible Battery Part Number: * BA 61 * 504703 * 56429 701 098 * B61 Specifications: Voltage:3.7v Capacity:1800mAh Type:Li-ion Net Weight:94.6g Dimension:61.68 x 41.78 x 14.6mm Special Reminder Please be sure to pay attention to the appropriate model, if there is any doubt whether the model is compatible, can contact us through , we provide 24hours after-sales service for you~If you have any questions related to this product, we provide pre-sales and after-sales service,please contact us through . Certification: Our batteries with ISO9001, RoHS, and CE Certification. Dimensions: 61.68 x 41.78 x 14.6mm Weight: 94.6g. Battery Specifications: Capacity: Voltage : 3.7V, 1800mAh, WH: 6.66Wh, Type: Li-ion. Fit Model: SK9000 SK9000 bodypack transmitters.