I have lost my battery cap. Where can I find a replacement? August 23, 2024 20:07 Updated You can purchase a replacement battery cap (cover) and O-ring/seal from our online shop by following the link below. PRECISION Maintenance Kit PRECISION Pro Maintenance Kit PRECISION 3 Maintenance Kit Related articles PRECISION 3+: Battery Cap Installation and Removal with Safety Clip My powermeter is reading incorrectly/inaccurately Changing Your PRECISION Battery Why Can't I Pair My Powermeter to My Bluetooth Head Unit or App? I am having trouble connecting/pairing my powermeter (ANT+ or Bluetooth)