I know it might be a little crude but I just fabricate a connector (epoxy and brass) and stuff the batteries in the battery compartment.  
"Improvise-Adapt-Overcome
    k4che


On 1/2/2024 8:21 PM, MARK DORNEY via MRCA wrote:
Just FYI:  the BA-41 internal battery replacements for radios like the BC-659 are once again available on epay. 

Mark D. 
WW2RDO

“In matters of style, float with the current. In matters of Principle, stand like a rock. “.   -   Thomas Jefferson 

Sent from my iPhone
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