JR-1: 9.6v rechargeable battery for JR PROPO transmitters. Choose capacity (700mAh NiCd, 1100mAh NiCd, 1650mAh NiMH, 2000mAh NiMH eneloop pre-charged, 2550mAh NiMH eneloop pre-charged, 2700mAh NiMH. Includes the black connector. Item Pricing reflects capacity chosen.Higher capacity = more running time.Dimensions: 4“ long, 1 1/8” across, 1 1/8” deep. All capacity models are basically the same size. The higher capacity batteries weight a little bit more, which is inconsequential.Base model is 700mAh, which replaces original JR-1 600mAh battery packs.The 700mAh and 1100mAh NiCd versions can be charged with the stock wall chargers.All higher-capacity batteries above 1100mAh delivery increased operating time, and require more substantial chargers (smart-chargers with higher output).This series of battery packs fits the following JR PROPO transmitter units:XP-8300, XP-8103H, XF-400, XP-6102, X388, X388S, X-388, X-388S, Century 7, XF-421EX, X-347, R-631, XP-783, XP-642, XP-652, XF-622, F-400EX, F400, F400ex, J-Line Quattro, and more. OPTION UPDATE: The 2 variants: 700mAh with EXTRA Futaba J, and 1100mAh with EXTRA Futaba J are made with 2 connectors. Each pack has the small black JR Tx connector And a Futaba J connector.
