A two-cell LiFe battery from the renowned Futaba company.
- voltage: 6.6 V
- capacity: 2200 mAh
- for Futaba transmitters: 3PV, 4GRS, 4PK, 4PKS, 4PKS-R, 4PL, 4PLS, 4PM, 4PV, 4PX, 4PX-R, 6J, 6K, 7PX, 7PX LE, 8J, 10J, 12K, 14SG, 16SZ, 18SZ
* follow the attached instructions