About this replacement
Designed for Siemens devices. Compatible models include 6AV3 972-1XBOO-OAOO, 6ES5095-8MAO3, 6ES5980 - OMA11, 6ES5980-OAA21, 6ES5980-OAE11, 6ES7971-1AAOO-OAAO, 6ES7971-OBAOO, 6EW1000-7AA, 6EW1000-OAA, 6SC5410-0AY01-0AA0, 943 CPU, C60T-COR-AE. Replacement part numbers include 6ES7-9711AA00-0AA0, 6ES5980-0MB11, 6ES79711AA000AA0, 6FC5247-0AA18-0AA0, 6FC52470AA180AA0, 840D, 143467, 146881, 575332, 575332 TA, 575332TA, MC2-BAT-AB. Key specifications: 3.0V, 900mAh, Li-MnO2.