The Video Smart Lock E330 is powered by a 10,000mAh rechargeable battery that is designed to last for an extended period of time. On average, the battery life of the Video Smart Lock E330 is approximately 120 days on a full charge. This estimation is based on the calculation that there are 10 lock/unlock events and 10 motion detection events per day, each with a recording time of 20 seconds.

Please note that when the battery starts to run low, the Video Smart Lock E330 will enter a low-power mode. In this mode, several features of the lock are automatically deactivated by default in order to conserve battery power. However, the lock remains functional and it still can be operated for up to an additional 30 days.

Additionally, one of the key features of the Video Smart Lock E330 is its voice prompt system. When the battery needs to be recharged, the lock will emit an audible voice prompt stating "battery is low". This alert serves as a reminder for users to recharge the battery as soon as possible in order to ensure the lock continues to function normally.

In conclusion, the Video Smart Lock E330 is a reliable and effective security device, with a battery life designed to provide months of service. Its smart features, coupled with its long-lasting battery, make it a valuable addition to any home or office.

If you have any other questions, please don't hesitate to reach out to us for further assistance.