Another difference is "tested" vs. "qualified".
In the MIL world the emc testing of a stand-alone smart-battery *may be* used for qualification, depending on the procurement. In the commercial world the emc testing of a stand-alone smart-battery *cannot be* used for qualification, due to the lack of intrinsic function. // Patrick From: Ken Javor [mailto:[email protected]] Sent: Thursday, August 23, 2012 11:02 AM To: [email protected] Subject: Re: [PSES] "Smart" Batteries The difference is that in the case of stand-alone batteries, they are qualified without connection to "the equipment in which they are meant to be used... ." Instead, they are connected to a generic load representative of in situ current draw, and a fixed potential charging source with fixed low output resistance. Ken Javor Phone: (256) 650-5261 ________________________________ From: Bill Owsley <[email protected]> Reply-To: Bill Owsley <[email protected]> Date: Thu, 23 Aug 2012 09:51:30 -0700 (PDT) To: Ken Javor <[email protected]>, "[email protected]" <[email protected]> Subject: Re: "Smart" Batteries It must be in the syntax, but it seems these two just agreed on the subject. ________________________________ From: Ken Javor <[email protected]> To: [email protected] Sent: Thursday, August 23, 2012 12:34 PM Subject: Re: "Smart" Batteries Re: "Smart" Batteries That is simply not true in the general case. What about a 28 Vdc battery that backs up the essential bus on an aircraft? What about a MANPACK battery that is discharged while being worn, and connected to a mains or generated-powered charger after the mission is over. In the commercial world, what about a battery designed to be used in an UPS? I have purchased several replacement batteries designed to replace the OEM battery in same. Ken Javor Phone: (256) 650-5261 ________________________________ From: Cortland Richmond <[email protected]> Reply-To: <[email protected]> Date: Thu, 23 Aug 2012 11:58:15 -0400 To: <[email protected]> Subject: Re: "Smart" Batteries "Smart" batteries are electronic subassemblies that don't work properly outside of the equipment in which they are meant to be used and must be tested in it. Cortland Richmond On 8/22/2012 1243, [email protected] wrote: Can someone tell me if there are any EMC standards for the so-called "smart" batteries? These are batteries that communication with the charger or EUT for charge rates, time left, overheating, etc. Thanks, Bob Heller St. Paul, MN 55107-1208 Tel: 651-778-6336 Fax: 651-778-6252 - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. 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