3.7V 14Ah 18650 Rechargeable Battery Pack
The 1S4P 3.7V 14Ah 18650 rechargeable battery pack is built for smart home and automation applications such as pet doors, where reliability, long-lasting performance, and low maintenance are critical. By ensuring stable operation and extended lifespan, it helps OEMs and ODMs reduce service costs while providing a seamless end-user experience.
Key features：
- High capacity 14Ah pack for long-lasting operation in smart devices
- Optimized size (39×39×69mm) with durable performance in real-world conditions
- Designed for high reliability and long cycle life, lowering replacement costs
- Stable power delivery to support uninterrupted operation of smart automation systems
| No. | Item | Parameter | Remark |
|---|---|---|---|
| 1 | Nominal Voltage | 3.7V | 3.7V/Cell |
| 2 | Nominal Capacity | 14Ah | @0.2C |
| 3 | Minimum Capacity | 13.3Ah | |
| 4 | Shipment Voltage | / | |
| 5 | Initial Internal Impedance | ≤40mΩ | AC 1KHZ |
| 6 | Standard Charge Voltage | 4.2V | 4.2V/Cell |
| 7 | Standard Charge Current | 2.8A | |
| 8 | Max. Charge Current | 4.2A | |
| 9 | Standard Discharge Current | 7A | |
| 10 | Max. Discharge Current | 14A | |
| 11 | Burst Discharge Curren | 28A | ≤5s |
| 12 | Discharge Cut-off Voltage | 2.5V | 2.5V/Cell |
| 13 | Cycle Life | ≥600cycles | Retention: ≥80% |
| 14 | Charge Temperature | 0°C~+45°C | Standard Charge |
| 15 | Discharge Temperature | -20°C ~+60°C | Standard Discharge |
| 16 | Storage Temperature | -20°C~ +45°C | ≤3 Months |
| -20°C~ +25°C | ≤1 Year | ||
| 17 | Weight | About 0.68 | kg |
| 18 | Special Request |
3.6V 14Ah 18650 li-ion Battery Pack FAQs
Is the battery pack designed to support continuous use in smart automation devices?
Yes. It is optimized for long cycles and stable discharge, ensuring devices like pet doors run without frequent replacements.
Can the cycle life be extended further for high-duty applications?
We can offer advanced BMS solutions and alternative cell chemistries to extend cycle life beyond standard performance.
What kind of customization can OEMs request for this pack?
OEMs can request modifications including casing materials, communication protocols ( I²C,BQ), and IP-rated protection for outdoor or semi-outdoor devices.
Do you provide testing and certification services?
We can provide UN38.3, MSDS, CE, RoHS, and other compliance documents upon request. For specific industry requirements (such as UL or IEC standards), certification support is also available.
Tailored Customization
Our design team can create custom battery designs for just about any device or machine.
Timely Delivery
Our efficient production and distribution process gets your product delivered in a timely manner.
Quality Guarantee
We stand by our products and guarantee you’ll be happy with your purchase.
