This is a Transmitter NiCd Battery for these Futaba radios: / 2 CH: 2PD, 2PKA / 3 CH: 3PB, 3UCP, 3PG / 4 CH: 4NL / 5 CH: 5UAF, 5UAP, 5NLH, 5NLP / 6 CH: 6NHP, 6NLK / 7 CH: 7UAPS, 7UAFS, 7UHFS / / INCLUDES: One Square 9.6V 500mAh Battery Pack covered in Grey shrinkwrap / and has a 9V connector at one end. / / SPECS: Length: 4-3/8" (111mm) / Width: 1-1/8" (29mm) / Height: 1-1/8" (29mm) / Regular charge rate: 50mAh for 15 hours / Quick charge rate: 150mAh for 5 hours / NMH 8-3-94 / ir/jl