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Anker eufy Doorbell Battery -doorbell battery with a large 6500 mAh capacity. The battery features easy-to-use USB-C charging, and its intuitive locking mechanism makes removing and installing the battery simple. Thanks to the large battery capacity, the battery lasts up to 6 months on a single charge.

• Capacity: 6500 mAh
• Easy detachment and attachment
• USB-C charging
• Compatible with E340 doorbell