Custom LiPo Battery Pack Design Options
At VTCBATT, we provide custom LiPo battery pack solutions designed around your device requirements, including voltage, capacity, dimensions, discharge performance, and operating environment.
Our engineers can design LiPo battery packs in 1S, 2S, 3S, 4S, 5S, and 6S configurations to achieve the required voltage output for your application. We support a wide capacity range, from compact batteries below 100mAh for small electronics and IoT devices to high-capacity packs over 50Ah for larger portable systems.
For space-limited applications, our custom thin LiPo battery packs can be designed with flexible dimensions and thickness options to fit ultra-slim devices, wearables, smart sensors, medical equipment, and handheld electronics.
We also develop temperature-resistant LiPo battery packs for challenging environments, including low-temperature solutions for outdoor equipment and high-temperature designs for industrial, medical, and specialized applications.
Different discharge rate designs, including normal and high-drain LiPo batteries, make them suitable for both low-power electronics and high-power devices such as motors, tools, and high-current portable equipment. The flexible pouch structure also allows LiPo batteries to be made into multiple shapes, including flat, curved, long, or special custom designs to perfectly fit the mechanical structure of your product.
To ensure seamless integration, VTCBATT can customize various battery connectors, such as JST, Molex, XH, PH, or fully customized terminals and wiring harnesses. No matter what electrical performance or structural dimensions you require, VTCBATT can design and manufacture the ideal LiPo battery solution to meet your unique needs!
Custom LiPo Battery Pack Configuration Guide
VTCBATT can design custom LiPo battery packs from 3.7V to 29.6V in 1S, 2S, 3S, 4S, 5S, 6S, and 8S configurations according to your voltage, capacity, current, size, connector, and application requirements.
| Model | 1S LiPo Battery pack | 2S LiPo Battery pack | 3S LiPo Battery pack | 4S LiPo Battery pack | 5S LiPo Battery Pack | 6S LiPo Battery | 8S LiPo Battery |
| Cell No. | 1 | 2 | 3 | 4 | 5 | 6 | 8 |
| Nominal Voltage | 3.7V | 7.4V | 11.1V | 14.8V | 18.5V | 22.2V | 29.6V |
| Max Charge Voltage | 4.2V | 8.4V | 12.6V | 16.8V | 21.0V | 25.2V | 33.6V |
| Cut-off Voltage | 3.0V | 6.0V | 9.0V | 12.0V | 15.0V | 18.0V | 24.0V |
| Typical Applications | Wearables, IoT devices | Portable electronics | Drones, robotics | Industrial equipment | Robotics, portable equipment | High-power applications | Custom battery systems |

Series Cells: 1 Cell
Nominal Voltage: 3.7V
Full Charge Voltage: 4.2V
Applications: Wearables, IoT sensors, portable electronics
Customization:✓ Capacity ✓ Size ✓ Connector ✓ PCM/BMS Circuit Protection

Series Cells: 2 Cells
Nominal Voltage: 7.4V
Full Charge Voltage: 8.4V
Typical Applications: Portable electronics
Customization: ✓ Capacity ✓ Wire length ✓ Connector ✓ Protection circuit

Series Cells: 3 Cells
Nominal Voltage: 11.1V
Full Charge Voltage: 12.6V
Typical Applications: Drones, robotics
Customization: ✓ Capacity ✓ Wire length ✓ Connector ✓ Protection circuit ✓ Enclosure

Series Cells: 4 Cells
Nominal Voltage: 14.8V
Full Charge Voltage: 16.8V
Typical Applications: Industrial equipment, portable devices
Customization:✓ Capacity ✓ Wire length ✓ Connector ✓ Protection circuit ✓ Enclosure

Series Cells: 5 Cells
Nominal Voltage: 18.5V
Full Charge Voltage: 21.0V
Typical Applications: Robotics, portable equipment, high-power electronics
Customization: ✓ Capacity ✓ Wire length ✓ Connector ✓ Protection circuit ✓ Enclosure

Series Cells: 6 Cells
Nominal Voltage: 22.2V
Full Charge Voltage: 25.2V
Typical Applications: High-power devices, robotics
Customization: ✓ Capacity ✓ Wire length ✓ Connector ✓ Protection circuit ✓ Enclosure

Series Cells: 7 Cells
Nominal Voltage: 25.9V
Full Charge Voltage: 29.4V
Typical Applications: Drones, robotics, portable industrial equipment
Customization: ✓ Capacity ✓ Wire length ✓ Connector ✓ Protection circuit ✓ Enclosure

Series Cells: 8 Cells
Nominal Voltage: 29.6V
Full Charge Voltage: 33.6V
Typical Applications: High-power robotics, industrial equipment, custom battery systems
Customization: ✓ Capacity ✓ Wire length ✓ Connector ✓ Protection circuit ✓ Enclosure
2. Different capacities
VTCBATT uses soft, flexible aluminum film to offer lithium-polymer batteries from 5mAh to 20000mAh, with dozens of size options to meet your device’s specific requirements.
ALF shaping to make the LiPo battery in different sizes.
Custom LiPo Battery Pack Capacity
3. Different Thickness
Due to the flexible aluminium film, the thickness of the li po battery can be customised from 1mm to 10mm in various shapes. Whether you need ultra-thin Li Po batteries or thicker Li Po batteries, VTCBATT can customise them to fit your devices perfectly.
4. Different temperatures
VTCBATT can customise low temperature li po batteries ranging from -40℃ to 60℃, so that the battery can discharge normally under -40℃ low temperature. In contrast, the VTCBATT high-temperature li po battery can work from -20℃ to 80℃ high temperature and even store under 80℃ high temperature for 240 hours.
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5. Different discharge rate
VTCBATT can produce customized LiPo batteries in different high drain discharge rates ranging from 1C to 100C, satisfying various power demands from portable devices, drones, power tools, and EV applications.

6. Custom LiPo Battery Pack Connector Options
To ensure 100% compatibility with different devices ,VTCBATT can customise different li-po battery connectors as per your detailed demand, such as Molex, JST.
VTCBATT can customize LiPo battery pack connectors according to device requirements, including connector type, wire length, polarity, and cable specifications. Common options include JST, Molex, and other industry-standard connectors.
Common LiPo Battery Connectors
| Option | Description |
| Connector Type | JST, Molex, custom connectors |
| Wire Length | Customized cable length |
| Wire Gauge | Selected based on current requirement |
| Polarity | Customized according to device wiring |
| Terminal Position | Designed for assembly requirements |

For compact electronics, wearables, IoT devices, medical sensors, and portable equipment.

For industrial electronics, battery packs, communication devices, and higher-current applications.

For compact medical devices, precision instruments, communication equipment, and space-limited electronics.

Customized by pin count, wire length, polarity, terminal type, and equipment interface requirements.
Thousands of Tool models
VTCBATT already has thousands of li-po battery tools in different sizes and discharge rates, which can fit in different battery enclosures and maximise the energy output of your devices. Our existing tools can help you save thousands of extra tooling costs and extra lead time in tooling a new mould.


High Safety
VTCBATT’s li-po batteries are strictly tested under high safety, reliability, and consistency. Under various strict quality tests of overcharge,overdischarge, overtemperature, over current, all the VTCBATT li po batteries are stored at 45℃ for 72 hours ageing to ensure the ultimate safety and reliability of the li-polymer batteries.
High Automation
From raw materials to the final lithium battery pack, VTCBATT adopts automatic production to ensure the battery reliability, safety, and consistency. Furthermore, high automation can also help us improve production efficiency and reduce labour costs.


Full Certification
VTCBATT has 2000 certifications of UL, IEC62133, UN38.3, CB, MSDS, CE, ROHS, BIS, and KC for different li-po battery models, which can meet different customers’ requirements in global certifications and empower your global marketing.
VTCBATT Worldwide Successful Cases
As the leading li-po battery manufacturer worldwide, VTCBATT produced thousands of li-po batteries for worldwide customers for different applications of IOT, GPS Tracker and Medical Devices. Below are the cases for successful cooperation.

Featuring reliability and stability, VTCBATT are highly recognised by the leading IOT customer in Germany. Till now, VTCBATT has supplied hundreds and thousands of 3.7V 22Ah li po batteries to them and successfully installed them in solar cargo container tracking for 5 years of operation without any failure.

Certified with IEC62133, CB, UL, VTCBATT produced thousands of 3.7V 603450 li-po batteries for their pregnant monitor to use ultrasound technology to monitor the fetal heartbeat. With a high-quality, safe and reliable power supply, their products are well-known brands in Europe and the USA.
VTCBATT produced thousands of 3.7V 103450 2000mAh li po batteries for the TOP GPS Tracker brand, providing a continuous and reliable power supply for the GPS Tracker monitor at any time. Furthermore, by using the pure LiCoO2 battery raw materials, VTCBATT’s li po batteries are more durable and long-lasting than normal batteries.

Featuring tiny size and high energy, VTCBATT Li po batteries are widely used in sensors for smart home appliances. VTCBATT delivered at least 200K annual quantity of 3.7V 502030 li-po batteries for their smart home appliances, installed throughout the whole European countries.
Application
IOT devicesVTCBATT can customize different li-po batteries for low-power IOT devices, high-power IOT devices, ensuring high-drain current stable power supply. Furthermore, VTCBATT can customize the low temperature and high temperature li-po batteries to meet the temperature range from -40℃ to 85℃.
GPS TrackerVTCBATT uses a specially designed PCB, which can avoid EMI interference and ensure the working reliability of li-po batteries always. Furthermore, VTCBATT li po batteries are high-energy-density and compact in size, which makes your GPS tracker lighter and smaller.
Medical DevicesBased on strict quality manufacturing standards, VTCBATT’s li-po battery is qualified for medical device applications with different certifications of UL, IEC62133, CB, UN38.3, KC, and BIS to facilitate your medical device launch and global marketing.
LiPo Battery Pack Certification & Documentation Center
What Is a LiPo Battery Pack?

A LiPo battery pack is a rechargeable lithium polymer battery system that combines one or multiple pouch cells with protection circuits, wiring, connectors, and other components.
Compared with a single LiPo cell, a battery pack is customized for the actual requirements of the device, including voltage, capacity, discharge current, dimensions, and communication functions.
Energy storage
Protection
Output interface
Pack design
A single cell stores energy, while a pack is designed as a complete power solution for an end product.
| Item | LiPo Cell | LiPo Pack |
|---|---|---|
| Function | Energy storage | Complete power solution |
| Voltage | 3.7V | Custom voltage |
| Protection | External | Integrated PCM/BMS |
| Application | Battery design | End products |
To design a custom LiPo battery pack, engineers usually need the required voltage, capacity, battery dimensions, continuous and peak discharge current, charging method, operating temperature, connector type, wire length, protection requirements, application details, and estimated annual quantity.
For the most accurate battery design, it is helpful to provide the device power consumption, available battery space, expected runtime, charging conditions, and any certification requirements. These details allow the battery pack to be designed around the real electrical and mechanical needs of the product.
The correct LiPo battery voltage depends on the input voltage range of the device. A single LiPo cell normally has a nominal voltage of 3.7V and a full charge voltage of 4.2V.
Common LiPo pack configurations include 1S 3.7V, 2S 7.4V, 3S 11.1V, 4S 14.8V, 6S 22.2V, and 8S 29.6V. For motors, controllers, medical devices, IoT equipment, and portable electronics, the pack voltage should be selected according to the device power system and allowed voltage range.
LiPo battery capacity is calculated from the device power consumption and required operating time. A basic formula is:
Capacity (Ah) = Power consumption (W) × Runtime (h) ÷ Battery voltage (V)
For example, if a device consumes 10W and needs to operate for 5 hours at 3.7V, the required capacity is about 13.5Ah. In real pack design, engineers also add margin for discharge efficiency, temperature conditions, peak current, battery aging, and the actual cut-off voltage of the device.
A LiPo cell is a single lithium polymer pouch cell. A LiPo battery pack is a complete battery assembly designed for a specific device.
A LiPo battery pack may include one or more cells in series or parallel, a PCM or BMS protection circuit, wires, connectors, insulation materials, labels, and sometimes an enclosure or mechanical support. The cell provides the energy source, while the pack is engineered to match the voltage, current, safety, size, and installation requirements of the final product.
Yes. Flexible pouch construction is one of the main advantages of LiPo batteries. Compared with cylindrical cells, LiPo pouch cells can be customized in length, width, thickness, shape, cable exit direction, and connector position.
This makes custom LiPo batteries suitable for compact or space-limited products such as wearable devices, GPS trackers, IoT sensors, medical equipment, smart home devices, handheld instruments, and portable electronics.
LiPo battery packs can be assembled with different connectors according to the device design. Common connector options include JST, Molex, Hirose, PH, XH, micro connectors, and custom wiring harnesses.
Connector selection depends on the current requirement, available installation space, polarity, mating frequency, cable length, and terminal position. For custom battery packs, the connector and wire layout should be confirmed together with the mechanical structure of the device.
Most LiPo battery packs need a protection circuit. A PCM or BMS helps protect the pack from overcharge, over-discharge, over-current, short circuit, and abnormal temperature conditions.
For small 1S or 2S packs, a PCM is commonly used. For higher-voltage or higher-power LiPo battery packs, a BMS may be required, especially when cell balancing, temperature monitoring, or communication functions such as CAN, RS485, SMBus, or Bluetooth are needed.
The output current of a LiPo battery pack depends on the cell capacity, C-rate, cell chemistry, number of cells in parallel, temperature conditions, wire gauge, connector rating, and protection circuit design.
For example, a 5000mAh LiPo cell rated at 1C can normally provide 5A continuous current, while a high-rate LiPo cell can provide much higher current for drones, robotics, RC models, and power tools. Pack design should always consider both continuous current and short peak current to reduce voltage drop, heat generation, and premature cell aging.
The service life of a LiPo battery pack depends on how it is charged, discharged, stored, and used. Key factors include depth of discharge, charge voltage, charge current, discharge rate, operating temperature, storage state of charge, and mechanical protection.
Under proper use, a quality LiPo battery pack can typically provide hundreds of charge and discharge cycles. The actual cycle life should be evaluated according to the battery cell type, pack design, working current, temperature profile, and end-product requirements.
Yes. LiPo batteries are widely used in drones and robotics because they offer high energy density, lightweight structure, flexible pack design, and strong discharge capability.
For drones and robotic systems, engineers usually focus on pack weight, peak current, continuous current, runtime, voltage stability, battery dimensions, connector compatibility, and safety protection. A custom LiPo battery pack can be designed according to the motor power, controller specification, installation space, and operating environment.
Custom LiPo Battery Packs for UAV and Drone Applications
For UAVs, industrial drones, inspection drones, and autonomous docking stations, a battery pack needs more than high discharge capability. A smart LiPo battery pack can integrate cell-level monitoring, intelligent charging, data logging, thermal management, and communication with the aircraft or charging system.
Compared with a standard LiPo battery pack, VTC smart UAV battery packs can support real-time voltage, current, SOC, temperature, cycle count, fault warning, and battery health data. This helps drone manufacturers improve flight safety, reduce connector damage, simplify maintenance, and build better battery management into the whole UAV platform.
Key Smart UAV Battery Features
– Cell-level voltage monitoring to detect imbalance or abnormal cells
– MOS independent switch design to keep the output port powered off before activation
– Pre-flight short-circuit detection before the drone powers on
– Real-time SOC, current, voltage, and temperature communication
– Multi-level low-battery warning based on flight conditions
– Thermal monitoring for cells and PCB areas
– Battery health calculation based on charge and discharge history
– Charging protection against over-voltage, over-current, high temperature, and low temperature
– Smart storage mode with low-power consumption and self-discharge control
– Optional USB, Bluetooth, APP, host computer, or charger communication
– Support for synchronized power-on, hot swap, and drone hangar charging systems
Standard LiPo Battery vs Smart UAV LiPo Battery
| Item | Standard LiPo Battery Pack | Smart UAV LiPo Battery Pack |
|---|---|---|
| Charging | Requires external balancing and manual voltage checking | Communicates with charger and supports intelligent balancing |
| Safety | Limited protection depending on external PCB design | Supports short-circuit, over-current, over-temperature, and over-voltage protection |
| Flight Data | No flight or fault records | Records cycle count, fault warnings, and protection events |
| Cell Monitoring | Usually judged by total pack voltage | Monitors individual cell voltage and imbalance |
| Storage | Requires regular maintenance | Supports low-power storage and automatic self-discharge design |
| Drone Integration | Basic power output | Supports communication, authentication, hot swap, and hangar system reporting |
Whether you need a simple high-rate LiPo battery pack or a smart UAV battery system, VTCBATT can customize the voltage, capacity, discharge rate, connector, communication protocol, housing, charger compatibility, and protection strategy according to your drone platform.
Learn more about custom UAV battery and standard lipo battery difference →https://vtcbatt.com/smart-uav-battery-vs-standard-lipo-battery/



















