This is the Hobbico LiFe 6.6V 1100mAh 10C Receiver Battery Pack. FEATURES: LiFe (lithium iron phosphate LiFePO4) offers a lightweight, high energy density battery with more power than NiCd and NiMH receiver batteries provide Nominal voltage rating of only 6.6V typically does not require a regulator to power receiver and servos Three discharge leads; Two with Universal Receiver Plugs with 22AWG 5.1" (130mm) long wire these are for models with dual power switches, regulators with redundant inputs, redundant radio systems, or for applications that draw more current than a single plug can safely deliver One Discharge Lead with Deans Ultra Female Plug 14AWG 5.1" (130mm) for voltage regulators, power distribution boxes and applications drawing more than 10 amps INCLUDES: Hobbico LiFe 6.6V 1100mAh 10C Receiver Battery Pack with one Charge Lead and three Discharge 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: 1100mAh Number of Cells in Series: 2 Rated Voltage: 6.6V Continuous Discharge Rate: 10C (11 amps) Maximum Recommended Charge Current: 2C (2.2 amps) Charge Lead: 24 AWG, 1.2" (30mm) long wire w/ElectriFly Balance Connector Dimensions: 3.0 x 1.4 x 0.9" (76 x 36 x 22mm) Weight: 85g (3.0oz) including all plugs and wires jxs 10/29/09 ir/jxs update GX 2/25/10