This is the Hobbico LiFe 9.9V 1500mAh 1C Transmitter Battery Pack with Universal Connector. FEATURES: LiFe (lithium iron phosphate LiFePO4) offers a lightweight, high energy density battery with more power than NiCd and NiMH transmitter batteries provide Ideal as a transmitter battery for the Futaba 3PK, 4YF, 6EX or any transmitter using an 8 cell flat NiCd/NiMH battery pack INCLUDES: Hobbico LiFe 9.9V 1500mAh 1C Transmitter Battery Pack with Discharge and Balance Leads REQUIRES: Charger such as the Hobbico LiFeSource AC/DC Balancing Charger (HCAM6375) (only use chargers that specifically say they are compatible with LiFe cells) SPECS: Capacity: 1500mah Rated Voltage: 9.9V Continuous Discharge Rate: 1C (1.5amps) Maximum Recommended Charge Current: 1C (1.5amps) Charge Lead: 24AWG, 1.2" (30mm) long wire w/ ElectriFly Balance Connector Discharge Connector: 22AWG, 5.1" (130mm) long wire w/ Universal Connector Dimensions: 4.4 x 1.9 x 0.51" (112 x 50 x 13mm) Weight: 4.5oz (126.6g) including wires JMLM 10/21/10 ir/jxs