Electronic Pipette Controller Autoclaving ParametersThe Collet Assembly and the 0.2 microns In-line Membrane Filter, contained within it, are fully autoclavable at 121 °C and 15 psi for a duration of 10-15 minutes. Operate Non-Stop for 8 Hours LABXE LABFILL uses Ni-MH 3.6 V rechargeable batteries in combination with low power consumption circuit and vacuum pressure/pump, facilitating 8 hours of continuous operation.A Battery Charger, compatible with both 220 V and 110 V, is provided as an inside-the-box accessory with all models of LABXE.