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🔐 Power your smart security with unstoppable energy!
The NASTIMA S330 is a high-capacity 10500mAh rechargeable lithium-ion battery designed as a direct, tool-free replacement for eufy S230, S330, and related smart lock models. Featuring a dual-color LED charging indicator and comprehensive safety protections, it delivers reliable, long-lasting power to keep your smart security devices running seamlessly. Supported by a 35-day money-back guarantee and 1-year after-sales service, it’s the smart choice for uninterrupted home security.









| ASIN | B0DQPS7RDS |
| Antenna Location | Video smart lock |
| Battery Capacity | 10500 Milliamp Hours |
| Battery Cell Composition | Lithium Ion |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 170 Grams |
| Best Sellers Rank | #638 in Home Security Systems |
| Brand | NASTIMA |
| Built-In Media | 1*Battery+1*USB Cable |
| Compatible Phone Models | Eufy S330 S230 S220 E330 Video Smart Lock 3-in-1 and Smart Drop |
| Customer Reviews | 4.2 out of 5 stars 99 Reviews |
| Item Dimensions | 2.35 x 0.85 x 3 inches |
| Manufacturer | QUANZHOU MELASTA NEW ENERGY CO., LTD |
| Model Name | EF37-LI1050-NA |
| Model Number | EF37-LI1050-NA |
| Number of Batteries | 1 12V batteries required. (included) |
| Recommended Uses For Product | Video smart lock |
| Reusability | Rechargeable |
| UPC | 782003392732 |
| Unit Count | 1.0 Count |
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