Our Replacement Battery for the Testo 0515-0177 is a perfect drop in Replacement for your Current battery.
It fits ALL the 177 models as well as the 175-T1, and 175-T2 models. Built by BBM Battery in our ISO certified facility - it will keep you powered.
Measurements - 14mm x 50mm plus connector
Capacity - 3.6V/2.4AH
Chemistry - Lithium Metal