I have lost my PRECISION battery cap. Where can I find a replacement? January 09, 2020 18:40 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 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?