Cameron Sino Replacement Battery for Samsung X480, X488 (3G), X486, SGH-X480
Official Samsung firmware SGH-X480 - Sfirmware.com
700mAh D600 D608 Battery for Samsung SGH-D600 High Quality SanErqi - AliExpress
813.Samsung SGH-X480 Very Rare - For Collectors - Unlocked - Batt Dead | eBay
Samsung SGH-A570 (2004) from U.S. Cellular, working and receiving calls. The battery was completely unusable, so I had to re-cell it, and now it's perfect! : r/vintagemobilephones