7.4V Replacement Lithium Battery for Smart Door Lock, 4200mAh High-Capacity with C+C-P-P+ Connector, for ZNS-09B1 Digital Fingerprint Lock Systems

★★★★★ 4.4 136 reviews

$76.70
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$76.70
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Free shipping Free 30-day returns

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Product details

Management number 216235170 Release Date 2026/04/19 List Price $30.68 Model Number 216235170
Category
  • Ensuring complete safety for your home security system during continuous operation.
  • This 7.4V lithium battery features 4200mAh high capacity and specialized C+C-P-P+ connector configuration,
  • Built with - lithium cells and advanced protection circuit that prevents overcharging, over-discharging, and short circuits,
  • engineered as direct replacement for ZNS-09B1 smart lock systems, ensuring perfect compatibility and reliable performance.
  • Provides consistent 7.4V output for all smart lock functions including fingerprint recognition, password entry, and automatic locking mechanisms, maintaining reliable performance even with frequent daily use.

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4.4 out of 5
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136 ratings | 56 reviews
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