Specifications
Product: ROTOR Assembly INpower Battery Cover Black
Part Number / SKU: C00-013-00120
EAN / UPC: 8434366005690
Category: Crankset Spare / Power Meter Accessory
Compatibility: ROTOR INpower and some 2INpower cranksets
Colour: Black
Included in Package: 1 × Battery Cover; often 1 × rubber O-ring
Made For Road cycling power meters
Origin: Spain / OEM ROTOR component
Sources note this part is a battery cover/cap, not the actual power meter battery itself.