This is the Hitec NiMH 9.6V 1600mah TX battery pack.
FEATURES: Fits the following Hitec transmitters; Optic 6, Eclipse 7, Flash 4, Flash 5, Laser 4, Laser 6, Neon, Focus 3 FM, Focus 3 AM, Lynx AM Lynx FM Square pack with lime green shrink wrap and 22 guage lead wires with a small white Hitec Elco TX connector.
INCLUDES: One 9.6V 1600mah Hitec rectangular battery pack.
REQUIRES: NiMH compatible charger In order to use certain chargers you must purchase 2-Pin Connectors, GPMM3106 and GPMM3107. Leave the white Elco connector intact and splice one of the 2-Pin Connectors onto the battery wire and the solder the other to HCAP0108, Charge Lead W/Alligator Clips after cutting off the charge lead ends. The alligator clips can then be plugged into the charger.
SPECS: Length: 4" (101mm) Width: 1-1/4" (32mm) Height: 1-1/4" (32mm)
COMMENTS: These are AA sized cells. We commonly call this type of pack a square pack even though it actually is more like 2 square packs end to end. Hitec refers to it as a cylinder type configuration. updt updt
BOX DIMENSIONS: 3.00" W. X 1.25" H. X 4.25" L. BOX WEIGHT: .60 LBS.