I need to lock the door from otside on left side and inside right and im confused which one have to buy .

You can purchase one of our smart locks, as you can do the calibration.

Does this work with the previous 2k doorbell?

It doesn't work with the previous 2k doorbell

Does this have a motion sensor that automatically turns on camera and alerts phone through messaging ?

The Smartdrop box when it's set up the camera will activate when it detects someone approaches but it will only record video if you have the Eufy Homebase. Without the Homebase, you will only get a notice from the phone app that the Box was OPENED & CLOSED...But No Video.

Does this work with E340? Or will E340 battery be released soon?

No. E340's battery will be released soon.

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🔋 Stay powered, stay secure—never miss a beat with eufy’s smart battery!

LIGHTWEIGHT COMPACT - Only 16 grams—engineered for seamless integration.
UNIVERSAL COMPATIBILITY - Perfect fit for multiple eufy smart lock models.
MASSIVE 10 000 M AH CAPACITY - Power your smart lock longer without frequent swaps.
RECHARGEABLE LITHIUM ION TECH - Cut costs and waste with sustainable energy.
EFFORTLESS QUICK RELEASE DESIGN - Recharge without uninstalling—convenience redefined.

The eufy Rechargeable Battery delivers a robust 10,000mAh capacity with lithium-ion technology, designed for easy quick-release recharging without removing your smart lock. Compatible with multiple eufy smart lock models, it offers a lightweight, eco-friendly, and cost-saving power solution that keeps your home secure and your routine hassle-free.

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TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Pooja R.

The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

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Reusability	Rechargeable
Battery Capacity	10000 Milliamp Hours
Voltage	1.2 Volts
Item Weight	6.74 ounces
Battery Weight	16 Grams
Unit Count	1 Count
Battery Cell Type	Lithium Ion

eufy Rechargeable Battery for S330 3-in-1 Video Smart Lock, E330 Video Smart Lock, Smart Lock S230, Smart Lock E31 and Smart Drop

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