... 540mAh capacity, OEM with solder tags and connctor - Fast delivery CR2450 button cell battery- 3V lithium battery with 540mAh capacity, OEM ... .005.403.049015245018106.00 CR2450 Lithium button cells are commonly used in car security (car alarm / keyfob batteries), organizer (backup battery for ... memory system, wristwatch, calculator, toy, electronic gift and so on. CR2450 button cell battery