144 Charging and caring for batteriesSpecial conditions when usingIS radiosIntrinsically Safe (IS) radios and accessories arecertified by a third party to be safe to use in particularhazardous locations, or in potentially explosiveatmospheres.Warning Use only a Tait-supplied, IS-approvedbattery and charger with an IS radio. Fitting a batteryor using a charger that is not IS-approved creates arisk of explosion which could cause serious injury ordeath.Warning Do not charge the battery in a hazardouslocation. An explosion could cause serious injury ordeath.For detailed information about IS radios andaccessories, refer to "Intrinsically Safe radios andaccessories" on page 10.