BT-31QB 1400mAh Replacement Battery for Topcon 101C / 111C

Replacement BT-31QB battery pack with 1400mAh capacity, made for use with Topcon 101C and Topcon 111C devices. A compact spare power solution to keep your equipment running in the field — simple to install and directly compatible with the listed Topcon models. Ideal as a backup or to replace a worn-out original battery and prevent downtime.