Compatible with part numbers 02K6541 and 02K6572. CMOS BIOS Battery for Lenovo ThinkPad T43 / T61 – 02K6541 / 02K6572. P/N: 02K6541, 02K6572. ThinkPad T43 CMOS Battery, may fit many other model. Each unit is tested for performance and reliability before dispatch.
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