Custom Cylindrical Lipo Battery Manufacturer in China
Thanks to the flexible aluminum film, the LiPo batteries can not only be made into common pouch shapes, but also cylindrical shapes. Cylindrical lipo batteries are commonly used in e-cigarettes, electric toothbrushes, medical devices, and other devices with cylindrical shape limits.
There are many cylindrical battery cells models in different diameters and lengths, such as 13600, 10400, 13450,14500, 16340, 18500, 18650, 21700, 26650, 28700, 32650, 32700. But most of them are cylindrical li ion battery cells.VTCBATT can customize different cylindrical lipo battery sizes strictly as per the customer’s requirement. Our current smallest cylinder lipo batteries are 10100 60mAh,45500 50mAh, and 80130 55mAh.The existing biggest cylindrical lipo batteries are 23600 3000mAh,26500 2600mAh.No matter what diameter or length you need, VTCBATT can fully meet your unique demands!
Cylindrical Lipo Batteries Pictures
Customization
VTCBATT can make cylindrical lipo batteries in different diameters and lengths, tailor-made for your device space and maximize the power in the limited devices.
Furthermore, different wires and connectors can be assembled with the cylindrical batteries to plug into your devices easily.
3C Fast Charge
VTCBATT cylindrical lithium polymer batteries can support 3C fast charge to shorten the charge time and facilitate customers’ convenience, by adopting special materials and manufacturing processes.
20C Discharge Rate
Most e-cigarettes require high drain discharge rate(15A-20A) to power the heating coil to vaporize the e-liquid within 3 seconds at 200–300°C.
Mechanical Safety
Compared with cylindrical li-ion batteries in a steel casing, cylindrical li-po batteries use soft and flexible aluminum film, which will only bulge instead of explosion.
Lightweight
Cylindrical lithium ion polymer batteries use the soft-packaged aluminum film, which is much lighter than the normal steel case of the cylindrical lithium ion batteries, such as Samsung 30Q, Sony VTC6, Molicel P28A.
Key Advantages
Different from other battery competitors, VTCBATT has already mass-produced cylindrical lithium batteries for 20 years. Rich experience in the cylindrical batteries production ensures the safety, reliability, and consistency.
VTCBATT adopts high automation in the whole manufacturing process from raw materials mixing to the final cell package, which not only improves the production efficiency, but also increases our daily output to meet customers’ potential demand.
VTCBATT has hundreds of cylindrical battery models for your choice, which can precisely fit in your devices and maximize the output energy.VTCBATT can even tool more models tailor-made for your devices.
Application
E-cigarettesNowadays, most e-cigarettes use more cylindrical li-polymer batteries than cylinder lithium-ion batteries due to their lightweight, customized size, fast charge, and high-drain discharge capability.
Electric Toothbrush3.7V cylinder lipo batteries are the ideal choices for the electric toothbrush, which is lightweight and compact in size to make the toothbrush smarter in operation and comfort
in hand.
Portable Medical DevicesThe cylinder lipo batteries deliver a stable power supply to the portable medical devices, such as glucose meters, pulse oximeters (SpO₂ monitors), rapid diagnostic test kits, smart thermometers, portable spirometers (lung function tests), etc. Furthermore, the cylindrical lipo batteries allow repeated charge and discharge, which reduces the battery cost and frequency of replacements.
A: Cylinder lipo battery uses the gel polymer and soft aluminum film to make the lithium polymer batteries in a cylindrical shape.
Cylinder lipo battery and pouch lipo cells use the same materials, just their shape is different, as lipo batteries can be customized to many different shapes due to the flexible aluminum film.
A: The most common cylindrical lipo battery size is 14250,10440,13450,14500,
16340,18500,18650,21700.VTCBATT can customize any cylindrical lipo battery size as per your requirement.
A: The nominal voltage of a cylinder lipo battery is 3.7V.
A:The cylindrical lipo batteries contain LiCoO2, graphite, and cobalt as the electrodes, polyethylene membrane as the separator, and soft aluminum film as the outside case. Different from the common pouch lipo cells, the outside case of cylinder lipo cells was made into a cylindrical shape.
A: Both cylindrical LiPo batteries and pouch lipo batteries are safe under proper usage as they have the same internal structure
A: Typically, the cylinder lipo batteries have a max charge voltage of 4.2V and a discharge cut-off voltage of 3.0V.
A: Yes. Cylinder lipo batteries can discharge at a max 20C high rate, which is an ideal choice for high-drain e-cigarrattes.
A: Featuring 500-1000 cycle times, the cylinder lithium batteries have a 1-2 year lifespan for daily usage.
A: Firstly, use the specific charger.
Secondly, charge the battery at standard 0.2C,0.5C.1C charge rate in CC(constant current) phase.
Thirdly, set the maximum charge to 4.2V per cell.
A: Cylindrical Lipo batteries are also provided with PCM/BMS for protection against overcharge,overdischarge, overcurrent, over overtemperature.
A: Normal cylinder lipo cells can support a maximum 1C continuous discharge current.
Some high-drain cylinder batteries designed for e-cigarettes can support a maximum 20C continuous discharge current.
A: Yes. Temperature will also affect the performance of cylindrical LiPo batteries.The cylinder batteries can be operated in a range from -20°C to 60°C. At zero degrees, due to the lithium ions slow reactions, the cylinder batteries can only discharge a partial capacity. For high temperatures above 45°C, the lithium ions will become very active, and the battery is under an aging process, resulting in shorter cycle life.
A: For long-term safety, the cylindrical lipo batteries should be charged at 50%-60% SOC and kept under 25°C to 30°C temperature. Keep the battery charged per 6 months to avoid over-discharge.
A: Cylinder-type LiPo batteries are commonly used in e-cigarettes, medical devices, electric toothbrushes, and beauty equipment.
A: If the cylinder lipo battery is swollen, its size becomes larger than normal, and an abnormal shape. There are many symbols of failure in 0V voltage, odor, fired smell, or liquid leakage on the surface.
A: Yes.They are compatible as long as the max charge voltage is 4.2V and the charge current not exceed 1C .
A: We have UL, IEC62133, CB, UN38.3, KC, BIS, MSDS, ROHS, and CE certificates for the cylinder lipo batteries.
A: Below is the charge time for a cylinder lipo battery based on different charge currents.
| Charge Current | 0.2C | 0.5C | 1.0C |
| Charge Time | 5.5 hours | 2.2 hours | 1.2 hours |
A: Yes. Cylinder Li-Po batteries can be connected in series and parallel. But we suggest fewer than 4 cells with multiple connections.
A: Temperature, charge rate and discharge rate, usage frequency will affect the lifespan of cylindrical lipo batteries.
