MultiRAE User’s Guide185 BatteryAlways make sure the batteries are fully charged before using the MultiRAE. Three battery options areavailable for the MultiRAE:1. Standard duration rechargeable Li-ion battery (PN: M01-3053-000)2. Extended-duration rechargeable Li-ion battery delivering 50% more runtime than the standardbattery (PN: M01-3055-000)3. Alkaline battery pack for four standard AA-sized batteries (PN: M01-3054-000)Its standard or extended-duration batteries are charged inside the instrument by placing the MultiRAE inits cradle or using the Travel Charger. Contacts on the bottom of the instrument meet the cradle’s contactpins, transferring power.Note: Before setting the MultiRAE into its MultiRAE Desktop Cradle or attaching its Travel Charger,visually inspect the contacts to make sure they are clean. If they are not, wipe them with a soft, dry cloth.Do not use solvents or cleaners.WARNINGTo reduce the risk of ignition of hazardous atmospheres, recharge, remove or replace the batteryonly in an area known to be non-hazardous! Do not mix old and new batteries or batteries fromdifferent manufacturers.5.1 Charging With The MultiRAE Desktop CradleFollow this procedure to charge the MultiRAE:1. Plug the AC/DC adapter into the MultiRAE’s Desktop Cradle.2. Plug the AC/DC adapter into the wall outlet.3. Place the MultiRAE into the cradle (make sure the bottom of the instrument and the alignmentpins on the cradle mate properly) and press down until it is locked in place.The MultiRAE begins charging automatically. The LED in the cradle should glow red to indicatecharging. When charging is complete, the LED in the cradle glows green.To remove the MultiRAE from the Desktop Cradle, tilt it toward you until it releases, and then lift it up.Press down untilMultiRAE is seatedfirmly in the cradleRelease theMultiRAE bytilting it forwardand lifting