Locknetics Schlage Entry Door Lock Battery Description This Replacement 12 Volt 2850mAh Alkaline battery fits the Locknetics - K380-001 Hotel Doorlock and meets or exceeds original manufacturer specifications. Locknetics Schlage Entry Door Lock Battery Specifications Category: Industrial Battery Type: Door Lock Termination: Connector Chemistry: Alkaline-Manganese Dioxide (Zn/MnO2) Voltage: 12 Volt Capacity (mAh): 2850 Width (in): 2.2 Length (in): 1.9 Height (in): 1.1 Fits Into: Locknetics - K380-001