Radiomaster 6200mAh 2S 7.4V High-Capacity Rechargeable LiPo Battery with XT30/JST-XH Plug, Compatible Radiomaster TX16S/TX16S MK3/Boxer/TX15/TX15 MAX Radio Controllers (6200mAh Battery)

The voltage is right. You will need to remove the plastic shroud on the balance connector. You should double check the dimensions against this one, but probably it will fit: https://www.amazon.com/STARDRONE-6200mAh-High-Capacity-Rechargeable-Battery/dp/B0FQCBXMSR Really, you should buy the Radiomaster one instead, as it fits perfectly and is double the capacity.