SPMB4000LPTX, 4000mAh LiPo Transmitter Battery: DX8, DX9 VendorSpektrum Product form Another Awesome Product By Spektrum $89.99 Quantity Out of stock You might also need... SKU: SPMB4000LPTX Barcode: 605482006566 Brand: Spektrum | Spektrum Batteries & Chargers Product Tags 2S 4000mAh 7.4V LiPo R/C Spektrum Transmitter Battery