Engineered for micro-scale performance, the 2/3AA Li-MnO₂ battery delivers up to 400 mA continuous current with minimal voltage drop, powering BLE beacons, small IoT hubs, and wearable electronics flawlessly from –40 °C to +85 °C, while precision manufacturing and batch-traceable QC processes ensure consistent, field-proven reliability for your smallest yet most demanding applications.