3.7V, 10400mAh, Li-ion Battery fits Juniper, Allegro 2, Archer 2, 38.48WhBattery Fits Models: Allegro 2, Archer 2, Carlson Archer 2, Carlson Mini 2, Surveyor 2, Systems Ag2, Systems Ar2 Battery Part Numbers: 24472, 2exl7431 001, 8010. 058. 001 The products we supply will work for the device that it is provided for and is built to last as long as the battery that came installed originally. Although a generic version of the battery, the battery we supply is designed and built to be as robust and as good quality as the