Connector: Mini Tamiya. Weight: 48g. Equipped with mini tamiya connector, it will fit many other series and models like M4, AK47, AEG, MP5K, MP5, SCAR, M249, M60, G36, RPK, AUG. [Safer Battery] - The steel shell of NiMH battery may feature a risk of exploration when the battery is short circuit or a in a high temperature, which won't exist in this safe tamiya Lipo battery that is with a good heat dissipation.