[TrunkCom] BC250D Heat Issue

Joe Hathaway [email protected]
Thu, 09 Jan 2003 21:37:09 -0600


Many moons ago, I posted on several lists that I had tried a several 
different output-voltage wall-warts on my NiCds in my BC245XLT.  I found 
that in addition to the 12-volt Uniden transformer supplied with the 
radio, 9-volt and even 6-volt chargers worked just fine, merely 
extending the charging period before warmth could be detected.

At that time, persons more "electronic" than I posted that the scanner 
lowered the charge rate to about 70 mAh, by lowering the voltage 
supplied to the battery.  Clearly, even though the charger circuit did 
not offer sensing of the pack's charge state, the voltage regulation 
function was alive and well.  It was explained by another poster at that 
time that the scanner supplied the optimal charge rate to the pack, and 
dumped any excess current as heat.  May I respectfully suggest someone 
else experiment with lower-voltage (rather than lower-amperage) wall 
warts?  {I pick up extras at flea markets for less than a buck each; as 
my mother used to say, :"Why pay retail?")

Joe Hathaway