18650 3.78V 2950mAh Li-Ion Battery 5.9A for Smart Home
ICR18650A30SS – High-Capacity 18650 Lithium-Ion Battery for Smart Home
The ICR18650A30SS is a premium lithium-ion battery designed for smart home applications requiring long-lasting, stable, and safe power. With a high capacity of 2950mAh and consistent 3.78V output, it ensures smooth operation of devices like IoT sensors, wireless security equipment, and home automation controllers.
This battery is engineered for reliability, low self-discharge, and easy integration into multi-cell smart home battery packs, while meeting international safety standards.
Advantages
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High-Capacity 2950mAh – Provides extended runtime for smart home devices
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Stable Voltage Output – 3.78V optimized for 18650 smart home systems
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Safe & Certified – Complies with KC, RoHS, MSDS, IEC/CE, ensuring safe continuous operation
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Low Self-Discharge – Less than 3% per month, ideal for standby devices
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Compact & Versatile – Fits standard 18650 slots for seamless integration
Specifications
| Parameter | Value | Notes |
|---|---|---|
| Model | ICR18650A30SS | 18650-30A |
| Chemistry | Li-Ion | - |
| Nominal Voltage | 3.78V | Optimized for smart home systems |
| Capacity | 2950mAh | - |
| Standard Charge Current | 0.2C (590mA) | Recommended for prolonged battery life |
| Max Charge Current | 0.5C (1475mA) | CC/CV charging |
| Max Discharge Current | 5.9A | Continuous high-drain capability |
| Discharge Cut-off Voltage | 2.75V | Prevents over-discharge |
| Charge Cut-off Voltage | 4.35V | Safety limit |
| Internal Resistance | ≤70mΩ | Ensures stable operation |
| Weight | 48g | Lightweight and portable |
| Dimensions | 18mm × 65mm (Diameter × Height) | Standard 18650 form factor |
Cycle Life
| Test Condition | Performance |
|---|---|
| Standard cycle 0.2C | ≥500 cycles (≥80% capacity retention) |
Operating Temperature Range
| Operation | Temperature Range | Notes |
|---|---|---|
| Charging | 0°C to 45°C | Recommended: 15–40°C |
| Discharging | -20°C to 60°C | Max discharge: 5.9A |
| Storage | -20°C to 50°C | Keep SOC 40–60% |
Key Features
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Smart Home Ready – Reliable 5.9A output for IoT and wireless devices
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Energy Efficient – Maintains capacity over months with minimal self-discharge
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Compact Form Factor – Fits standard 18650 compartments for easy replacement
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Safe Operation – Built-in protection against overcharge and over-discharge
Applications
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Smart home automation controllers
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Wireless security systems and sensors
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IoT devices and smart appliances
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Home energy storage and backup systems
Usage Warnings & Precautions
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Avoid charging above 4.35V and discharging below 2.75V
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Do not expose to extreme humidity or liquids
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Always use compatible CC/CV smart chargers
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Stop use if battery shows swelling or leakage
Storage Guidelines
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Store at 40–60% SOC in a dry, ventilated environment
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Optimal storage temperature: 15–25°C
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Perform a maintenance charge every 4 months if stored long-term
Warranty & Disclaimer
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12-month performance warranty
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Covers manufacturing defects only
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Manufacturer not responsible for improper installation, misuse, or unauthorized modifications
✅ The ICR18650A30SS is perfect for smart home systems and IoT applications where long runtime, reliable performance, and safety are critical. Its compact 18650 form factor makes it easy to integrate into existing or new devices, helping you maximize device uptime and reduce maintenance costs.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.