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Fulpower 15000mAh Replacement Battery for eufy FamiLock S3 Max,S3 | 3.85V Li-ion, ultra-long standby, LED indicator, fireproof PC case, multi-protection, USB-C cable, eufy battery replacement in Saudi Arabia Fulpower 15000mAh Replacement Battery for eufy FamiLock S3 Max,S3 | 3.85V Li-ion, ultra-long standby, LED indicator, fireproof PC case, multi-protection, USB-C cable, eufy battery replacement in Saudi Arabia Fulpower 15000mAh Replacement Battery for eufy FamiLock S3 Max,S3 | 3.85V Li-ion, ultra-long standby, LED indicator, fireproof PC case, multi-protection, USB-C cable, eufy battery replacement in Saudi Arabia Fulpower 15000mAh Replacement Battery for eufy FamiLock S3 Max,S3 | 3.85V Li-ion, ultra-long standby, LED indicator, fireproof PC case, multi-protection, USB-C cable, eufy battery replacement in Saudi Arabia Fulpower 15000mAh Replacement Battery for eufy FamiLock S3 Max,S3 | 3.85V Li-ion, ultra-long standby, LED indicator, fireproof PC case, multi-protection, USB-C cable, eufy battery replacement in Saudi Arabia Fulpower 15000mAh Replacement Battery for eufy FamiLock S3 Max,S3 | 3.85V Li-ion, ultra-long standby, LED indicator, fireproof PC case, multi-protection, USB-C cable, eufy battery replacement in Saudi Arabia Fulpower 15000mAh Replacement Battery for eufy FamiLock S3 Max,S3 | 3.85V Li-ion, ultra-long standby, LED indicator, fireproof PC case, multi-protection, USB-C cable, eufy battery replacement in Saudi Arabia Fulpower 15000mAh Replacement Battery for eufy FamiLock S3 Max,S3 | 3.85V Li-ion, ultra-long standby, LED indicator, fireproof PC case, multi-protection, USB-C cable, eufy battery replacement in Saudi Arabia

Fulpower 15000mAh Replacement Battery for eufy FamiLock S3 Max,S3 | 3.85V Li-ion, ultra-long standby, LED indicator, fireproof PC case, multi-protection, USB-C cable, eufy battery replacement

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All electronics ship with US style plugs. You may need a voltage converter or a plug adapter.

Special Features

  • Ultra-Long Standby Time Say goodbye to frequent battery changes. With a powerful 15000mAh lithium-ion cell (3.85V), this rechargeable battery delivers exceptional energy density, keeping your smart door lock powered for months on a single full charge. Ideal for high-traffic households and smart home automation.
  • Perfect Fit for eufy S3 & S3 MAX Engineered as a direct replacement battery for eufy Security Smart Lock FamiLock S3 and S3 MAX. Matches original specifications precisely—no modifications, no adapter needed. Plug-and-play installation ensures seamless compatibility and reliable performance.
  • Charge Anywhere, Anytime Comes with a convenient USB-C charging cable. Connect to any USB power source—laptop, power bank, wall charger, or car adapter—for ultimate flexibility. No proprietary charger needed; keep a spare charged and ready to go wherever you are.
  • Smart Charging Indicator Stay informed at a glance. The built-in LED indicator flashes during charging and turns steady green once fully charged. No more guessing whether your battery is ready for installation—simple, clear, and user-friendly.
  • PC Impact Shell + 6 Protections Built with a high-strength PC anti-impact casing that withstands drops, shocks, and daily wear, plus fire-resistant properties for added safety. Inside, six advanced protection systems (overcharge, over-discharge, overcurrent, short circuit, overheat, and overvoltage) safeguard both the battery and your smart lock.

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