AM LiFe 2400mAh 6.6V-Futaba 4PK/4PX/4PV/7PX

Arrowmax LiFe battery.

2400mAh
2S
RX Connector

LiFe batteries have nominal 3.3v per cell. They have the advantage of providing a flatter discharge curve and longer cycle life compared to LiPo batteries. They are considered safer that LiPo batteries due to their chemistry.

Ensure your charger is set to LiFe mode when charging.