The most powerful !!! Crazy Price !!!Li-Po battery 7.4V 4000mAh 2 cells with ability to download up to 50C continuous (200A) and 60C peak (240 Amp)Ideal for planes or helicopters of any type, in particular where the power demand is considerably important.The battery is supplied as well as in photos.Charging current MAX 5C (20A).Weight: 175gr.Dimensions 134mm x 44mm x 13mm.