This is the GWS 6V (5-cell) 270mah NiCd Battery Pack with red JST Plug. FEATURES: 2/3 AA 110mah Sanyo cells wrapped in yellow shrink wrap 2" 22 guage lead with male (GPMM3106) BEC connector SPECS: Length: 2.8" (71mm) Width: 1.27 (325mm) Thickness: .58" (15mm) Weight: 2.32oz (65g)