14.8V 26Ah 18650 Li ion Battery Pack for IoT System Supply
CMB’s 14.8V 26Ah 18650 Li-ion Battery Pack is engineered to be the reliable power core for your demanding IoT systems. Comprised of high-quality cells from CMB, it excels with an exceptional operating temperature range, supporting charging from 0~60°C and discharging from -20~70°C. This rugged design guarantees your devices maintain stable and continuous operation through scorching summers and freezing winters, making it the ideal power solution for outdoor, industrial, and all-weather IoT applications.
Key features：
- Charge from 0 to 60°C and discharge in extreme conditions from -20 to 70°C, ensuring reliable operation in harsh environments.
- A robust 26Ah capacity provides long-lasting power, reducing the frequency of recharges for your IoT devices.
- Built with high-quality high temperature Li-ion cells, guaranteeing stable performance, enhanced safety, and a long service life.
- Engineered specifically as a dependable power core for a wide range of industrial and outdoor IoT applications.
| No. | Item | Specification | Note |
|---|---|---|---|
| 1 | Nominal Voltage | 14.8V | 3.7V/Cell |
| 2 | Nominal Capacity | 26Ah | @0.2C |
| 3 | Minimum Capacity | 25.2Ah | |
| 4 | Shipment Voltage | / | |
| 5 | Initial Internal Impedance | ≤280mΩ | AC 1KHZ |
| 6 | Standard Charge Voltage | 16.8V | 4.2V/Cell |
| 7 | Standard Charge Current | 10A | |
| 8 | Max. Charge Current | 20A | |
| 9 | Standard Discharge Current | 8A | |
| 10 | Max. Discharge Current | 26A | |
| 11 | Burst Discharge Current | 50A | ≤5ms |
| 12 | Discharge Cut-off Voltage | 11V | 2.75V/Cell |
| 13 | Cycle Life | ≥500cycles | Capacity 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 | About1.4 | kg |
| 18 | Special Request |
14.8V 26Ah 18650 Li ion Battery Pack FAQs
What is the operating temperature range of this battery pack?
This pack is built for harsh environments. It supports:
- Charging Temperature: 0°C to 60°C
- Discharging Temperature: -20°C to 70°C
- This ensures reliable performance in both extreme summer heat and winter cold.
What charger should I use with this battery pack?
You must use a dedicated Lithium-ion charger designed for 14.8V (4S) battery packs and compatible with the recommended charging current. Using an incorrect charger can damage the battery and pose a safety risk.
Can this battery be used for outdoor or industrial IoT devices?
Yes, this is a primary application. Its wide temperature range and robust construction make it ideal for outdoor environmental monitors, industrial sensors, GPS trackers, and other remote or unattended systems.
Do you offer custom battery pack configurations?
Yes, we do. If your IoT project has unique voltage, capacity, size, or communication (e.g., RS485, SMBus) requirements, please contact our sales team to discuss a custom solution.
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.
