Battery Pack, Product Type Battery Pack, Series Ventis MX4, Ventis Pro6, For Battery Chemistry Lithium Ion, Operating Temperature - Maximum 122 Degrees F, Operating Temperature - Minimum -4 Degrees F, For Use With Ventis MX4, Ventis Pro6, Output Voltage 3.7V DC, Battery Life 20 hr, Standards ATEX, CSA Certified, EAC (GOST-R-GOST-K), IECEX, UL Listed. This item has been restricted from sale in the following state (s): []