This is a 9.6V, 600mAh Transmitter NiCd for the following Futaba Radios: 6 CH: 6VA, 6NPK, 6NFK 7 CH: 7NFK 8 CH: 8UA/H, 8US 9 CH: 9VAP(S), 9VHP(S) INCLUDES: One Square 9.6V, 600mAh Transmitter NiCd Battery w/J Connector SPECS: Length: 3-15/16" Width: 1-1/8" Height: 1-1/8" Regular Charge Rate: 50mAh for 15 hours Fast Charge Rate: 150mAh for 5 hours Weight: 180 grams COMMENTS: The Replacement Connector is FUTM3820 The Shrinkwrap is WhiteFutabaPart FUTNT8IB