Capacity 2000mAh. Battery type Li-Po.
Futaba LT2F2000B 7.4V 2000mAh LiPo Transmitter Battery for T16IZ Tx
3.7V 2000mAh 1S 3C Lipo Battery for Ar duino Nodemcu ESP32 Development Board UK
Spektrum 3.7V 6600mAh 1S Li-Ion Transmitter Battery: NX6/NX8/NX10/iX12
Spektrum 3.7V 6600mAh 1S Li-Ion Transmitter Battery for NX6-NX8-NX10-iX1O Radios
SPM 3.7V 6600mAh 1S Li-Ion Transmitter Battery: NX6/NX8/NX10/iX1 O-SPMB6600LITX