This ham radio enthusiast site has an extensive library of vintage Icom documentation. Navigate to their “Manuals” section and look under “Icom Chargers.” They often include service-level details not in the user manual.
The BC-30 was designed to handle a variety of battery voltages across different markets. : 100, 117, or 220/240 VAC (market-dependent). ICOM BC 30 manual pdf
A European-based archive specifically for amateur radio equipment. Their Icom folder contains multiple BC-30 variations (BC-30, BC-30A, BC-30E). Ensure you download the correct version for your region (110V vs 220V input). This ham radio enthusiast site has an extensive
If the battery pack becomes excessively hot to the touch during a rapid charge cycle, remove it immediately to prevent cell damage. : 100, 117, or 220/240 VAC (market-dependent)
The original part is the or BC-121 . These are rare. A universal 12V DC adapter (center pin positive, 1A minimum) will work if the barrel plug fits. Ensure it is regulated and not a simple unregulated wall wart.