Specification: Capacity: 2740 mAh
Chemistry: LI-ION
Voltage: 3.7V
Compatibility: MC3000 / MC31XX
Feature: Contains the highest quality battery cells.
Provides excellent discharge characteristics.
Provides longer cycle life.
Extends operating time and reduces the total number of batteries needed.
Rigorous testing including temperature, vibration, shock, drop, short circuit, and overcharge.
Features: Includes an Ooma HD3 Handset, Supports single-line operation, Cordless telephone type, Digital answering system with 17 minutes of recording capacity, 150 hours of phone standby time, Ooma Telo Device with Power Adapter and Ethernet Cable, Black HD3 Handset with Charging Cradle and Power Adapter, 2 AAA batteries included, Corded electric