I have lost my PRECISION battery cap. Where can I find a replacement? September 29, 2020 18:31 Updated You can purchase a replacement battery cap from our online shop by following the link below. Shipping is free on all battery cap orders. PRECISION Maintenance Kit PRECISION Pro Maintenance Kit Related articles When Should I Zero Offset (Calibrate) My Powermeter? Why do I see cadence readings and no power readings (or extremely high power readings)? PRECISION Maintenance Active Temperature Compensation Can I Pressure Wash my 4iiii Powermeter?