Leading Rechargeable 18350 Battery Manufacturer in China
The 18350 battery is a common type of li ion rechargeable battery with a diameter of 18mm and a length of 35mm.18350 li-ion battery has a nominal voltage of 3.7V, cut-off voltage at 2.75V, and max charge voltage at 4.2V. Featuring compact and high-drain current, the 18350 rechargeable battery is widely used for vape, e-cigarette, LED flashlight, security, telematics, and high-drain tools.
VTCBATT 18350 battery capacity ranging from 700mAh to 1200mAh.Furthermore, the 18350 battery can withstand a high-drain current of 10C and 11A.VTCBATT offers various types of 18350 batteries, including flat top, high top, and USB charging ports, catering to different applications. Furthermore, VTCBATT can produce 18350 batteries in different battery technologies of lithium-ion (Li-ion), NCM and lithium Manganese Oxide (LiMnO2) to satisfy your different power demands.
18350 Battery Picture
18350 Cell Size Drawing
The 18350 cell is in 18.7±0.5mm diameter and 35.2±0.6mm length. It’s a flat-top cell. “0” is at the end of the cell model. It indicates that this cell is in a cylindrical shape.
Compared with traditional 18650 cells, they have the same diameter.But 18350 is shorter and lighter.
18350 Battery Production Line Video
VTCBATT adopts high automation in producing the 18350 batteries to ensure cell safety, reliability, and consistency. From raw materials to the final cell test, all the battery production processes are controlled in the MES system for quality traceability and manufacturing process records. With a daily 100K 18350 cells output, VTCBATT can ensure you a quick delivery within 10 days to meet your urgency.
High Automation
VTCBATT adopts high automation production for the 18350 cells to ensure high production efficiency with a daily 100K+ production output to ensure your stable supply chain and quick delivery.
Global Certification
VTCBATT 18350 battery cells are certified with UL, UN38.3, IEC62133, CB, KC, and BIS to ensure your products’ ultimate safety and easy transportation, empowering your global sales without any obstacle.
Strict Quality Test
All the 18350 li-ion batteries are strictly tested in performance and safety of overcharge,overdischarge, overcurrent, and over temperature to ensure safety in usage.
Key Advantages
The 18350 akku can hold a 10C discharge rate to reach a max 11A peak discharge current, which is an ideal power source for an electric cigarette and vape.
VTCBATT akkus 18350 are integrated with CID, PTC, and vent safety design, which can effectively avoid explosions in case of short-circuit and thermal runaway.
18350 battery life can last for 500-1000 times cycles, which can be used in electronic applications for 2-5 years. It’s an ideal power source for LED flashlights, medical devices, and portable devices.
Application
Vape and Electric Cigarette18350 vape battery features 10C high drain current, which can power the vape and electric cigarette robustly and provide extraordinary joy in vaping. Furthermore, the 18350 battery has an inherently safe design to ensure ultimate safety during usage.
Led flashlightFeaturing a compact size, the 18350 battery is widely used in LED flashlights to make the flashlight smaller and lighter in high illumination.
Portable DevicesDelivering a continuous power supply, 18350 rechargeable batteries are widely used in portable devices to ensure stable operation and emergency backup.
- 3.7V 18350 1100mAh Battery Specification
| No | Item | Specification | |
|---|---|---|---|
| 3.1 | Typical Capacity | 1100mAh | @ 0.2C Discharge |
| Minimum capacity | 1080mAh | @ 0.2C Discharge | |
| 3.2 | Nominal voltage | 3.70V | |
| 3.3 | Standard Charge | CC/CV, 0.2C5A, 4.20V | |
| 3.4 | Standard Discharge | CC, 0.2C5A, 2.75V | |
| 3.5 | End-of-charge Voltage | 4.20V | |
| 3.6 | End-of-charge Current | 0.02C5A (At CV mode) | |
| 3.7 | End-of-discharge Voltage | 2.75 V | |
| 3.8 | Charging Time | 8.0 hours (standard charge) | |
| 3.9 | Quick Charge Current | 1100mA (1.0C5 rate) | |
| 3.10 | Quick Discharge Current | 11000mA (10.0C5 rate) | |
| 3.11 | Initial Impedance | Max: 35mΩ | |
| 3.12 | Weight | Approx: 23.4 ± 1g | |
| 3.13 | Operating temperature | Charging: 0℃~45℃ | |
| Discharging: -20℃~60℃ | |||
| 3.14 | Storage temperature | -5℃~35℃ | |
| 3.15 | Storage Humidity | ≤75%RH | |
| 3.16 | Appearance | Without scratch, distortion, contamination and leakage | |
| 3.17 | Standard environmental condition | Temperature: 25±3℃ | |
| Humidity: 45-75%RH | |||
| Atmospheric Pressure: 86-106KPA | |||
| 3.18 | Temperature Dependence of Discharge Capacity @0.2C Discharge | ||
| Charge temperature | Discharge temperature | |||||
| 25℃ | -20℃ | 0℃ | 15℃ | 25℃ | 40℃ | |
| Relative Capacity | 70% | 80% | 90% | 100% | 100% | |
Custom 18350 lithium-ion battery pack assembly
Case Study: High-Pulse Power Solution for Next-Gen Telematics
The assembly drawing above features a specially engineered 7.4V 1100mAh 18350 battery pack tailored for High-Pulse Security Trackers. This 2S1P configuration is designed to deliver unwavering power during critical data transmission bursts. By maintaining a voltage sag of less than 0.5V, our Brazilian customers have achieved unprecedented stability in their devices’ power output.
VTCBATT’s excellent chemical formula and specialized Low-MOS PCM design directly address the unique challenges of modern telematics—eliminating system reboots and ensuring continuous connectivity.
Key Technical Advantages:
Optimized 10C Discharge: Seamless high-current support integrated with a smart PCM.
Thermal Excellence: Minimized internal resistance leads to minimum heat generation during rapid discharge.
Extreme Safety: Superior internal structure and double-layer insulation for maximum protection.
Voltage Stability: Guaranteed minimal voltage drop (<0.5V) during high-pulse signal transmission.
A: The charging time depends on the battery capacity and charging current. Below is the table for different charging times and current.
| Charging Current | 900mAh 18350 Battery | 1100mAh 18350 Battery | Note |
| 500mA | 2-2.5 hours | 2.5-3 hours | Prolong the battery life |
| 1000mA | 1 hour | 1.5 hour | Fast charging,but the battery temperature will increase. |
| USB charging | 2-3 hour | 3 hour | The internal circuit limits the current for safety. |
A: No. 18350 battery and 16340 battery are totally different sizes. Table below is their size difference.
| 18350 | 16340 | |
| Diameter | 18mm | 16mm |
| Length | 35mm | 34mm |
| Capacity | 700mAh-1200mAh | 600mAh-800mAh |
A: Yes. Mostly, you can use the 18350 charger on a 18650 battery. Most 18350 chargers are compatible with different cell sizes, 18650 and 18350 battery has the same max charge voltage at 4.2V.18350 battery charging current is also compatible with the 18650 battery.All in all,there is no safe issue to use 18350 charger on 18650 batteries.
A: Yes. In case of size permitted, you can use a 18650 instead of a 18350 battery, as the 18650 is 30mm longer. 18650 and 18350 have the same nominal voltage and the same charge voltage.
A: No you can’t use 1 18350 for 2 16340 battery.Because their diameter is different. 16340 is much thinner,while 18350 is thicker in diameter.
A: Yes.18350 battery is dangerous under improper usage. Under overcurrent, overcharge,overdischarge, shortrt-circuit or overtemperature, it will explode and even fire.
A: The lasting time depends on the 18350 battery capacity and discharge current. Take the 1100mAh 18350 battery, for example, it will last for 1 hour if the discharge current is 1A.
A: The 18350 battery capacity ranges from 700mAh to 1200mAh.
A:18350 and CR123 is completely different battery.They are different in battery chemistry,nominal voltage,capacity and applications.
A: No.C battery is totally different from 18350 battery.C battery is 26mm diameter and 50mm length.But 18350 battery is 18mm diameter and 35mm length.
A: Charge the 18350 battery before 3.6V to prolong the battery life.
But when the battery voltage is at 3.0V, the battery voltage is low battery.
When the battery is at 2.8V, the battery is over-discharged.
How to charge 18350 battery?
There are three different 18350 battery charger types for your choice,which brings you great convenience in charging the 18350 batteries.
Type 1:Single Slot Charger
(1)Universal compatibility: The spring-loaded slider design makes the single slot charger compatible with various li-ion cylindrical cell sizes, such as 18650,16340,14500, and 26650.
(2) Smart Charging Control
The charger is smart in automatic charge cut-off, an LED light indicator of charging status, trickle charging function.
(3) Multiple Safety Protection
-Reverse polarity protection can prevent a short-circuit or fire in case of reverse inserted.
-Short circuit protection can avoid internal short circuits and overcurrent.
Type 2: Dual Slot Charger
The dual slot charger allows two 18350 cells to charge at the same time, which greatly increases the charging efficiency. The clear LED indicator light makes the charging status clear. Furthermore, the dual charger can allow a 0V pre-charge function, which can recover the over-discharged batteries.
Type 3:USB Charger
With the USB-C or Micro-USB charging port, the USB charger is a smart and portable one without carrying a heavy adapter. It is an ideal choice for travel and can charge the 18350 battery simply with the mobile.
Charging Tips:
- When the LED light indicator turns from red to green, the 18350 battery is fully charged.
- During charging, the 18350 battery temperature will increase slightly and recover to normal when the temperature cools down.
- Normally, the charger has different current options at 0.5A/1A/2A, choose 0.5A current for safety.
- Never leave the battery charging on overnight.
| Feature | 18350 | CR123 |
|---|---|---|
| Size | 18mm x 35mm | 17mm x 34.5mm |
| Rechargeable | Yes | No |
| Battery Technology | Lithium-ion | LiMnO2 |
| Nominal Voltage | 3.7V | 3V |
| Capacity | 700mAh-1200mAh | 1300mAh-1500mAh |
| Life | 5 years | 10 years |
| Cost | Cheaper (Long term) | Expensive (Long term) |
| Application | High current devices | Low current devices |
How To Choose between 18350 and CR123?
–Cost: Since 18350 batteries are rechargeable and can be chargeable repeatedly for 500-1000 cycles life, thus 18350 batteries are more economical in long-term usage.
–Current: CR123 battery can only deliver max 1500mA continuous and 3000mA peak, while 18350 battery can deliver a peak of 11A current, which is better for high current devices, such as vape, e-cigarette.
| Feature | 18350 | 18650 |
|---|---|---|
| Size | 18mm x 35mm | 18mm x 65mm |
| Rechargeable | Yes | Yes |
| Battery Technology | Lithium-ion | Lithium-ion |
| Nominal Voltage | 3.7V | 3.7V |
| Capacity | 700mAh – 1200mAh | 1200mAh – 4000mAh |
| Life | 5 years | 5 years |
| Cost | Higher cost in long term | Lower cost in long term |
| Application | Lower power devices | High-power devices |
How To Choose between 18350 and 18650?
-Size: Featuring a compact size,18350 is the first choice to fit your devices due to limited space.
-Capacity&Current:18650 battery has a larger capacity and can maximize the energy output of your devices. If you want larger power and longer runtime,18650 is the best choice.
-18650 priority: If both 18350 and 18650 can fit in your devices, the 18650 battery is the priority to choose due to its common availability in the market.
| Feature | 18350 | 14500 |
|---|---|---|
| Size | 18mm x 35mm | 14mm x 50mm |
| Rechargeable | Yes | Yes |
| Battery Technology | Lithium-ion | Lithium-ion |
| Nominal Voltage | 3.7V | 3.7V |
| Capacity | 700mAh – 1200mAh | 600mAh – 1200mAh |
| Life | 5 years | 5 years |
| Cost | Higher cost in long term | Lower cost in long term |
| Application | High-power devices | Low-power devices |
How To Choose between 18350 and 14500?
-Size:14500 cells are much more compact than 18350. Thus,14500 is ideal for size limit applications, which makes your devices lighter and smaller.
-Capacity&Current: 18350 battery can deliver much more power than the 14500, which is ideal for high-current device applications.
-Availability:14500 is equal to AA size and common in the market.Thus,14500 can be used to replace the traditional alkaline AA batteries directly.
| Feature | 18350 | 16340 |
|---|---|---|
| Size | 18mm diameter x 35mm length | 16mm diameter x 34mm length |
| Rechargeable | Yes | Yes |
| Battery Technology | Lithium-ion | Lithium-ion |
| Nominal Voltage | 3.7V | 3.7V |
| Capacity | 700mAh – 1200mAh | 600mAh – 800mAh |
| Life | 5 years | 5 years |
| Current | 10A – 11A | 5A – 7A |
| Application | High-power devices | Low-power devices |
How To Choose between 18350 and 16340?
–Size :16340 has a thinner diameter and compact than 18350. It can be used in
–Capacity&Current:18350 battery has higher capacity and discharge current, which the normal 16340 can’t reach.
–Availabilty:18350 batteries are much more common than 16340 cells.
