If you have a Hitec X4 Micro charger, dont plug your Nanox QX or Inductrix batteries directly into it, that will damage the connectors on the batteries!
Since ebay delivered some wonky results (sorry..) we made some good quality adapters for you: https://micro-motor-warehouse.com/products/micro-jst-1-25-adapter-cables-for-hitec-x4-micro