[IRCA] PL-300WT/ G8 "Watch Battery" is Indeed a Capacitor

[D1028Gary@xxxxxxx]

Hello All,
 
Thanks for the comments by Deane, Nick and Steve, which are all  
appreciated.
 
It was easy to do further investigation of the mystery component  providing 
backup power for the clock setting in the PL-300WT/ G8 radios,  since my G8 
radio was still completely disassembled, awaiting more  confidence on the 
part of the technician for a tough reassembly job :>)
 
The circular "battery" is indeed a super capacitor, which  was verified by 
the circuit board stamping above the component ( "2C3,  .22 F"). The .22F 
capacitance value matches the value stamped on the component  itself. This 
circuit board stamping can only be observed when the radio is  entirely 
disassembled. 
 
Since this capacitor should not fail in the future like a battery would,  
owners should no longer be concerned about this component affecting the 
future  performance of their new DSP Ultralight radio(s). The G8 used for this  
investigation has now been safely reassembled, and is operating  normally. 
Thanks again to Deane, Nick and Steve for their comments.
 
73, Gary
 
 
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