VTC18650V 3.6V 2900mAh Wide Temperature 18650 Lithium-Ion Battery for industrial IoT sensors, smart utility meters, outdoor tracking devices
| Parameter | Specification |
|---|---|
| Model | VTC18650V |
| Battery Type | Rechargeable 18650 lithium-ion cell |
| Nominal Voltage | 3.6V |
| Standard Capacity | Type: 2900mAh; Min: 2800mAh |
| Maximum Charge Voltage | 4.2V |
| End of Discharge Voltage | 2.75V |
| Maximum Continuous Charge Current | 0.5C (1400mA) |
| Maximum Continuous Discharge Current | 10A |
| Dimensions / Weight | 18.3±0.2mm diameter, 65.2±0.3mm length; approx. 44g |
| Operating Temperature | Charge: -20°C to 60°C; Discharge: -40°C to 85°C |
VTC18650V 3.6V 2900mAh Wide Temperature 18650 Lithium-Ion Battery
The VTC18650V wide temperature 18650 lithium-ion battery is built for B2B equipment projects that require a standard cylindrical rechargeable cell with stable electrical performance. It provides 3.6V nominal voltage, 2900mAh typical capacity, 2800mAh minimum capacity, 4.2V maximum charge voltage, 2.75V end-of-discharge voltage, 0.5C (1400mA) maximum continuous charge current and 10A maximum continuous discharge current. The cell measures 18.3±0.2mm in diameter and 65.2±0.3mm in length, with an approximate weight of 44g. VTCBATT supports factory-direct supply, OEM/ODM pack development, tab and connector customization, protection circuit matching, sample testing and wholesale batch production for industrial battery projects.
For more wide-temperature cell options, review the VTCBATT Wide Temperature Battery product range.
This 3.6V 2900mAh 18650 lithium-ion cell is suitable for industrial IoT sensors, smart utility meters, outdoor asset trackers, portable instruments, security devices, solar lighting controllers, warehouse terminals and custom OEM electronics. The standard 18650 size simplifies mechanical design, while the -40°C to 85°C discharge range supports outdoor and industrial operating environments. VTCBATT can adapt the cell into application-specific battery packs with nickel tabs, holders, PCM or BMS selection, NTC options where required, wire length and connector matching, private labeling, sample validation and factory-direct wholesale supply for equipment manufacturers and battery distributors.
18650 Wide Temperature Lithium-Ion Cell Features
Compact cylindrical format, wide operating range and OEM-ready integration for B2B battery projects.
Charge from -20°C to 60°C and discharge from -40°C to 85°C for outdoor and industrial equipment.
18.3±0.2mm diameter and 65.2±0.3mm length support holders, tabs and compact pack layouts.
Typical 2900mAh and minimum 2800mAh capacity balance runtime and standard cell integration.
VTCBATT supports tab welding, protection circuits, wiring, connectors, labeling and batch supply.
Wide Temperature Operation
The VTC18650V is designed for equipment that must work beyond ordinary room-temperature conditions. Its source specification supports charging from -20°C to 60°C and discharging from -40°C to 85°C, making it suitable for outdoor sensors, tracking devices, utility terminals, and industrial electronics exposed to seasonal temperature swings.


2900mAh Class Capacity
With a typical capacity of 2900mAh and a minimum capacity of 2800mAh, this 18650 lithium-ion cell gives equipment designers a practical balance of runtime and cylindrical pack integration. It is well suited to compact battery packs where energy density, standard 18650 format, and stable batch supply are important.
10A Continuous Discharge Support
The datasheet lists a maximum continuous discharge current of 10A, giving the cell headroom for devices with higher current peaks than typical low-drain backup cells. VTCBATT can support pack-level design work around current requirements, protection circuit selection, nickel tab structure, and connector matching for OEM battery assemblies.


OEM Pack Integration Ready
The standard 18.3mm diameter and 65.2mm length make the VTC18650V suitable for single-cell and multi-cell 18650 battery pack development. VTCBATT can provide factory-direct support for tabs, holders, protection circuits, wiring, connector selection, labeling, sample development, and stable wholesale supply for equipment manufacturers.
Applications for VTC18650V 3.6V 2900mAh Wide Temperature 18650 Battery
The VTC18650V is suitable for industrial IoT sensors, smart utility meters, outdoor asset trackers, security devices, portable instruments, solar lighting controllers, industrial handheld terminals and custom 18650 battery packs. Its standard cylindrical format, 3.6V platform, 2900mAh typical capacity, 10A maximum continuous discharge current and -40°C to 85°C discharge range help OEM engineers match the cell to compact field equipment and wide-temperature applications.

Wide temperature discharge supports outdoor sensor nodes that need stable runtime in changing field conditions.

2900mAh capacity helps smart meters maintain wireless reporting and backup operation between service intervals.
Standard 18650 format fits rugged tracker enclosures while supporting cold and hot logistics environments.

Reliable cylindrical power supports alarm modules and access devices that require compact backup energy.

10A discharge headroom suits portable instruments with measurement electronics and intermittent current demand.

Wide operating range fits solar controllers exposed to outdoor heat, cold, and seasonal cycling.

Cylindrical 18650 size integrates neatly into handheld terminals, scanners, and replaceable battery compartments.

OEM-ready cell structure supports protected packs with tabs, holders, connectors, and custom wiring.
VTC18650V Safety and Reliability Test Results
Review the key safety, discharge, temperature, storage, and cycle-life results for this wide-temperature 18650 lithium-ion cell.
- Safety Test
- Baseline Test
- Rated Discharge Test
- Low Temperature Test
- High Temperature Test
- Storage Test
- Cycle Life Test
Safety Test Summary
The VTC18650V safety report confirms the submitted samples passed the reviewed electrical, mechanical, environmental, and thermal safety checks. The summary below keeps the page readable while preserving the key buyer-facing result.
| Safety Category | Buyer-Facing Result | Verdict |
|---|---|---|
| Electrical safety checks | Samples remained within the report acceptance requirements. | Pass |
| Mechanical safety checks | No fire, explosion, or leakage was reported after structural stress checks. | Pass |
| Environmental safety checks | Samples passed pressure and temperature exposure checks in the report. | Pass |
| Thermal safety checks | No fire or explosion was reported after high-temperature exposure. | Pass |
| Overall safety result | The reviewed safety-test group was marked Pass. | Pass |
Baseline Test Report
Baseline inspection confirms the sample group condition before reliability testing, including voltage, internal resistance, dimensions, weight, capacity, and appearance.
| Item | Result |
|---|---|
| Average capacity | 2843.4mAh |
| Average diameter | 18.25mm |
| Average height | 65.27mm |
| Average weight | 43.9g |
| Verdict | Pass |
Rated Discharge Test Report
Rated discharge testing compares 0.2C baseline capacity with 0.5C, 1C, 2C, and 10A discharge performance at room temperature.
| Condition | Capacity / Ratio |
|---|---|
| 0.2C discharge | 2891.5mAh |
| 0.5C discharge | 2828.1mAh / 97.8% |
| 1C discharge | 2793.3mAh / 96.6% |
| 2C discharge | 2797.6mAh / 96.8% |
| 10A discharge | 2878.5mAh / 99.6% |
Low Temperature Discharge Test Report
Low-temperature testing shows capacity behavior after the cells are stabilized at -30°C before discharge.
| Sample | 23°C 0.2C | -30°C 0.2C | -30°C 0.5C | -30°C 1C |
|---|---|---|---|---|
| #3 | 2865.6mAh | 2255.2mAh | 2266.9mAh | 2327.1mAh |
| #4 | 2872.9mAh | 2268.6mAh | 2282.4mAh | 2349.7mAh |
High Temperature Discharge Test Report
High-temperature discharge testing compares room-temperature capacity with 85°C discharge capacity after thermal stabilization.
| Sample | 23°C capacity | 85°C capacity | 85°C / 23°C |
|---|---|---|---|
| #3 | 2865.6mAh | 2988.2mAh | 104.3% |
| #4 | 2872.9mAh | 2922.9mAh | 101.7% |
High Temperature Storage Test Report
The 80°C storage test records remaining and recovered capacity after high-temperature storage.
| Sample | Initial capacity | Remaining capacity | Recovered capacity | Retention / Recovery |
|---|---|---|---|---|
| #3 | 2859.7mAh | 1592.0mAh | 2574.4mAh | 55.7% / 90.0% |
| #4 | 2866.2mAh | 1522.0mAh | 2568.6mAh | 53.1% / 89.6% |
| #5 | 2859.9mAh | 1519.2mAh | 2541.7mAh | 53.1% / 88.9% |
Cycle Life Test Report
Cycle-life testing uses repeated charge, rest, discharge, and rest steps for 500 cycles, with the report criterion set at at least 70% capacity retention.
| Item | Test Condition |
|---|---|
| Charge | 0.5C CC/CV to 4.2V |
| Discharge | 0.2C to 2.75V at 23±2°C |
| Cycle count | 500 cycles |
| Retention criterion | ≥70% after 501 cycles |
| Verdict | Pass |
The VTC18650V is a 3.6V rechargeable 18650 lithium-ion cell with 2900mAh typical capacity and 2800mAh minimum capacity.
The source specification lists charging from -20°C to 60°C and discharging from -40°C to 85°C, with charge voltage and current limits adjusted by temperature range.
Yes. VTCBATT supports OEM/ODM pack development, tab welding, holders, protection circuit matching, wiring, connector selection, labeling, samples and batch supply.
The datasheet lists a maximum continuous discharge current of 10A for the VTC18650V cell.
Related 18650 Battery Products
High-temperature 18650 LiFePO4 cell option for industrial battery projects.
Cylindrical 18650 LiFePO4 cell for compact OEM power designs.
18650 cylindrical LiFePO4 battery cell for rechargeable equipment.
Higher-capacity cylindrical Li-ion 18650 battery pack for long-runtime devices.
Custom 18650 Li-ion battery pack for OEM electronics and field devices.
VTC18650V 3.6V 2900mAh Wide Temperature 18650 Lithium-Ion Rechargeable Battery
The VTC18650V is a wide-temperature rechargeable 18650 lithium-ion cell for OEM equipment, industrial electronics, utility devices and outdoor battery pack projects. It provides 3.6V nominal voltage, 2900mAh typical capacity, 2800mAh minimum capacity and a standard cylindrical format for flexible pack integration.

Core Electrical Parameters
| Parameter | Specification |
|---|---|
| Model | VTC18650V |
| Battery Type | Rechargeable 18650 lithium-ion cell |
| Nominal Voltage | 3.6V |
| Standard Capacity | Type: 2900mAh; Min: 2800mAh |
| Maximum Charge Voltage | 4.2V |
| End of Discharge Voltage | 2.75V |
| Maximum Continuous Charge Current | 0.5C (1400mA) |
| Maximum Continuous Discharge Current | 10A |
| Dimensions / Weight | 18.3±0.2mm diameter, 65.2±0.3mm length; approx. 44g |
| Operating Temperature | Charge: -20°C to 60°C; Discharge: -40°C to 85°C |
Battery Size and Structure
The cell uses a standard 18650 cylindrical structure with an 18.3±0.2 mm diameter and 65.2±0.3 mm length. The source drawing also defines barcode placement and sleeve-related dimensions for production identification.
| Dimension Item | Source Dimension | Remark |
|---|---|---|
| Barcode from head | >6 mm | Dimension includes PET sleeve |
| Barcode length | 48±2 mm | Pink PET heat-shrinkable sleeve |
| Barcode height | 2±0.5 mm | 5 holes cap |
| Battery length | 65.2±0.3 mm | 18650 cylindrical cell length |
| Battery diameter | 18.3±0.2 mm | 18650 cylindrical cell diameter |
Temperature and Performance Fit
The operating temperature range supports charging from -20°C to 60°C and discharging from -40°C to 85°C. The specification also lists 10A maximum continuous discharge current, 0.5C maximum continuous charge current and 500-cycle retention criteria of at least 70% under the stated cycle-life condition.
Safety and Reliability Support
The safety and reliability report materials include structured tests for forced discharge, drop, low pressure, thermal cycling, crush, vibration, shock, heating, external short circuit and overcharge. The generated report HTML files in this package provide separate tables and SVG charts for buyer and engineering review.
Application Examples
- Industrial IoT sensor nodes, wireless data acquisition terminals, remote monitoring modules
- Smart utility meters, AMR/AMI communication modules, field metering backup power systems
- Outdoor asset trackers, logistics monitoring devices, GPS equipment used in cold or hot environments
- Security alarm devices, wireless camera modules, access-control backup battery packs
- Portable measuring instruments, handheld test meters, maintenance diagnostic tools




VTCBATT OEM/ODM Supply
VTCBATT can support custom lithium battery pack development using this 18650 cell, including tab welding, holders, protection circuit selection, connector matching, wire length design, labeling, sample testing and stable batch supply for distributors, brand owners and equipment manufacturers.



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