With the rise of smart home products, the smart video intercom doorbell has become a core component of modern household security systems. These devices integrate high-definition cameras, infrared motion sensors, cloud storage, and Wi-Fi connectivity, creating increasing demand for battery performance in terms of energy density, operating temperature, and discharge stability.
To meet these evolving needs, MOTOMA offers a full range of custom lithium polymer battery solutions designed specifically for smart doorbells—covering both camera host units and low-power wireless transmitters.
1. Market Overview: Battery Configurations in Leading Doorbells
| Brand / Model | Battery Type | Voltage (V) | Capacity (mAh) | Key Feature |
|---|---|---|---|---|
| Ring Video Doorbell 3/4 | Removable Li-ion Pack | 3.65V | 6040mAh | Quick-release design |
| Eufy Video Doorbell 2K | Li-Polymer Battery | 3.7V | 6500mAh | Up to 180-day runtime |
| Arlo Essential Doorbell | Li-Polymer Battery | 3.7V | 2200mAh | Compact embedded design |
| EZVIZ DB1C Battery | Rechargeable Battery | 3.7V | 3000mAh | Solar-compatible |
| Blink Video Doorbell | AA Lithium (non-rechargeable) | 1.5V×2 | ≈3000mAh | Suitable for low-power scenarios |
Key User Pain Points:
- Battery anxiety: Users expect 3–6 months of runtime per charge, which demands high capacity and low idle drain.
- Extreme temperature performance: Devices must operate reliably between -20°C and 60°C outdoors.
- Compact design: Host units require high energy density batteries in slim form factors.
- Power-hungry features: PIR sensors, night vision, HD video, and Wi-Fi push the limits of standard batteries.
- Global certification: Products targeting North America, Europe, Japan, or India must comply with UL, CB, UN38.3, KC, BIS, etc.
2. Recommended Battery Solutions
For Camera Host Units:
| Type | Lithium Polymer Battery |
| Nominal Voltage | 3.7V |
| Capacity Options | 2200 / 3000 / 5000 / 6500mAh |
| Dimensions | Customizable (e.g., 8.5×35×50mm) |
| Max Discharge | 1C |
| Operating Temp | -20°C to 60°C |
| Protection | PCM with OVP, UVP, SCP, OCP |
| Connectors | JST, Molex, wire leads, headers |
| Certifications | UN38.3, IEC62133, CB, UL1642, PSE, BIS |
| Runtime | 3–6 months per charge (use-case dependent) |
For Button Units / Sensors:
| Type | Lithium Polymer Cell |
| Voltage | 3.7V |
| Capacity | 160mAh |
| Size | 3.8×17×30mm |
| Max Discharge | 160mA (1C) |
| Charge Current | Standard 32mA, Max 80mA |
| Operating Temp | -20°C to 60°C |
| Terminals | PC Pin, SMD, wire leads, mini connectors |
| Applications | Wireless doorbell buttons, RF modules, magnetic sensors |
| Certifications | UN38.3, RoHS, IEC62133, etc. |
3. Custom Services for OEM/ODM Projects
- Size, voltage, capacity customization
- Multi-cell assembly (series/parallel)
- Connector and PCM integration
- Small batch prototyping
- Export-ready certifications and technical support
4. Conclusion
Smart doorbells are rapidly evolving into intelligent security terminals. Power systems must evolve accordingly. With high energy density, excellent stability, and flexible design, MOTOMA lithium polymer batteries deliver strong runtime and reliability for next-generation doorbell devices.
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