High Temperature 3.6V 750mAh 14500 Lithium Battery Pack
The 3.6V 750mAh 14500 lithium battery from CM Batteries is specifically engineered for industrial systems requiring extreme temperature tolerance, stable high-current output, and strict AA mechanical dimensions.
Many devices still rely on NiMH AA cells because of their standardized size. However, NiMH batteries typically suffer from voltage drop, capacity loss, and shortened lifespan under high temperature or pulse load conditions.
Our 14500R high temperature 14500 lithium battery provides a true drop-in lithium upgrade — without mechanical redesign — while significantly improving performance, reliability, and service life.
Key features：
- Drop-in Li-ion replacement (AA size)：Seamlessly fits existing NiMH housings, eliminating the need for design changes.
- Temperature Endurance: Discharge from -40℃ to +85℃, charge from -20℃ to +60℃.
- 3A Pulse 14500 Capability: Validated 3A discharge for 90 seconds at both 10°C and 80°C, meeting demanding industrial pulse-load applications.
- High Discharge Rate (Up to 5C Peak):Handles transient loads without excessive voltage sag.
- MP2633-Compatible Parallel Design: Supports dual-cell parallel configuration with controlled matching and current balancing.
- Extended cycle life: Delivers 3–5× the lifespan of NiMH batteries, reducing maintenance and replacement frequency.
Full Technical Validation
To ensure reliability under the specified -45°C to +85°C working range and 3A pulse conditions, the cell underwent comprehensive validation including:
- 3A discharge at 10°C for 90 seconds
- 3A discharge at 80°C for 90 seconds
- Continuous 1C discharge testing
- 5C peak verification
- High-temperature aging evaluation
- Impedance grading for parallel consistency
- Dimensional inspection (including positive cap)
Optimized for MP2633 parallel systems with controlled capacity matching to ensure stable current sharing and long-term balance.
View detailed data in the
CMB-14500R Cell Specification Sheet
and
14500R Self Discharge Report
3.6V 750mAh 14500 Battery Pack Parameter
| No. | Item | Specification | Note |
|---|---|---|---|
| 1 | Nominal Voltage | 3.6V | 3.6V/Cell |
| 2 | Nominal Capacity | 0.75Ah | @0.2C |
| 3 | Minimum Capacity | 0.7Ah | |
| 4 | Shipment Voltage | / | / |
| 5 | Initial Internal Impedance | ≤30mΩ | AC 1KHZ |
| 6 | Standard Charge Voltage | 4.2V | 4.2V/Cell |
| 7 | Standard Charge Current | 0.15A | @0.2C |
| 8 | Max. Charge Current | 0.4A | |
| 9 | Standard Discharge Current | 0.15A | @0.2C |
| 10 | Max. Discharge Current | 0.75A | |
| 11 | Burst Discharge Current | / | / |
| 12 | Discharge Cut-off Voltage | 2.75V | 2.75V/Cell |
| 13 | Cycle Life | ≥350cycles | Retention: ≥70% |
| 14 | Charge Temperature | -10°C~+60°C | Standard Charge |
| 15 | Discharge Temperature | -40°C ~+85°C | Standard Discharge |
| 16 | Storage Temperature | -20°C~45°C | ≤3 months |
| -20°C~25°C | ≤1 year | ||
| 17 | Weight | About 20 | g |
| 18 | Shipment Voltage | / | / |
3.6V 750mAh 14500 Battery Pack FAQs
Can this 14500 pack be customized for special devices or form factors?
Yes, CMB supports OEM/ODM customization, including pack dimensions, connector type, cable layout, and temperature resistance level.
We often assist industrial customers in fitting the pack into compact enclosures or high-temperature modules.
How does CMB verify the pack’s reliability at high temperatures?
Each batch undergoes 85°C high-temperature charge/discharge testing, cell matching, and capacity retention verification.
We also perform thermal cycling and storage tests to ensure long-term stability for outdoor and industrial devices.
What certifications are available for this high-temperature battery pack?
The pack can be supplied with UN38.3, MSDS, and IEC62133 certifications.
Additional reports (e.g., high-temperature cycling, transportation safety) are available upon request for industrial or export projects.
Can I request specific connectors or nickel tabs pre-installed?
Yes. We can add pre-soldered nickel tabs, Molex/JST connectors, or custom wire terminals according to your assembly process.
This helps shorten your integration and testing time.
Are low-quantity or prototype orders supported for design validation?
Yes. We offer low-volume prototype builds and engineering verification samples before mass production, so customers can confirm fit, performance, and reliability before scaling up.
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.
