SAPBJ 2 Pack Battery Replacement for eufy Security Video Doorbell E340 Rechargeable Lithium-ion Backup Battery with Type-C Charge Cable Upgraded 7000mAh Capacity
SAPBJ 2 Pack Battery Replacement for eufy Security Video Doorbell E340 Rechargeable Lithium-ion Backup Battery with Type-C Charge Cable Upgraded 7000mAh Capacity
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About This
- 7000mAh Large capacity ensures long running time continuous operation
- Fully compatible with eufy Video Doorbell E340/C31 only
- Extra battery backup, no need to wait for charging when the security video smart lock is low on power, providing uninterrupted protection for your home security
- Integrated intelligent control chip, built-in overcharge, overdischarge, overvoltage, overcurrent and overheat protection. Multi-circuit protection to ensure safe and stable use
- We provide 12 months technical support, if you have any questions about this battery, pls contact us at any time you need, we will be happy to serve you
Overview
- Number of Batteries : 1 Lithium Ion batteries required. (included)
- Brand : SAPBJ
- Battery Cell Composition : Lithium Ion
- Battery Capacity : 7000 Milliamp Hours
- Recommended Uses For Product : Battery Replacement for eufy Security Video Doorbell E340 Battery

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SMART HOME FAQ
Yes — many modern devices support multiple platforms.
Matter-certified devices can work across Alexa, Google Home, and Apple HomeKit at the same time.
Not always.
Smart bulbs, plugs, cameras, and video doorbells are often easy DIY installations, while full security systems may need professional setup.
Many devices still work manually or through local control.
You may lose remote app access, but locks, lights, and thermostats often continue basic functions.
Security depends on the device and setup.
Use strong passwords, trusted brands, firmware updates, and secure Wi-Fi for better protection. Privacy and unauthorized access are common concerns in smart homes.
Most homeowners start with:
Smart Security Cameras
Smart Door Locks
Smart Thermostats
Smart Plugs
Video Doorbells
Yes.
Smart thermostats and smart plugs help reduce wasted energy by automating heating, cooling, and power usage.
It depends on your ecosystem.
Alexa → widest compatibility
Google Home → strong for Android users
Apple HomeKit → best privacy
Home Assistant → advanced control
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