Security Rechargeable Battery for FamiLock S3, FamiLock S3 MAX, 15000mAh Lithium-Ion Replacement Battery for Fami Lock T85Z1, Enduring Energy Supply for Home Video Security Surveillance

Security Rechargeable Battery for FamiLock S3, FamiLock S3 MAX, 15000mAh Lithium-Ion Replacement Battery for Fami Lock T85Z1, Enduring Energy Supply for Home Video Security Surveillance

• Technical Specification Powered by a high-capacity 15000mAh (57.75Wh) lithium-ion battery in a compact 94×67×22 mm (3.7×2.63×0.86 in) design. Supports fast recharging via the included Type-C cable, with an integrated LED indicator for clear, real-time status monitoring.
• Extended Runtime in Extreme Conditions High capacity 15000mAh lithium-ion battery ensures extended usage time for your eufy FamiLock S3, FamiLock S3 MAX video smart lock devices between charges. The upgraded thickened battery cell operates reliably across a wide temperature range from -30°C to 70°C (-22°F to 158°F).
• Seamless Compatibility & Tool-Free Installation Fully compatible with eufy FamiLock S3 and S3 MAX Video Smart Lock—engineered as a direct one-to-one replacement for the original battery. Simply remove the old battery and insert this unit in seconds; no tools, no wiring, and no technical expertise required. The precise fit ensures a secure connection for reliable power delivery, giving you a hassle-free upgrade that keeps your smart lock running without interruption.
• Advanced Multi-Layer Safety Protection Built with Grade A+ cells to ensure reliable performance. Features overcharge, over-discharge, short-circuit, and over-temperature protection for complete peace of mind.
• 24/7 Uninterrupted Operation – No More Downtime With a backup battery, you'll never miss an alert or visitor. Simply swap batteries in seconds—keep one charging while the other powers your device, ensuring continuous coverage without the need for hardwiring.