Replacement Battery Pack Extended Range Li-Ion Battery Life 20 hr Color Black For Use With Mfr No VTS-K1232110101 VTS-K1232111101 VTS-K1232100101 VTS-K1232101101 VTS-K5232100101 VTS-K5232101101 VTS-K5232110101 VTS-K5232111101 VTS-K1231100101 VTS-K1231101101 Operating Temp Range -4 Degrees to 122 Degrees F (-20 Degrees to 50 Degrees C) Voltage 3.7V DC