3.7v 200mah 502025 Small Lithim Polymer Battery for box mods, pod mods & AIO, vape pens
| Model | VTC-LP502025 |
| Nominal Voltage | 3.7V |
| Capacity | 200mAh |
| Max Size | 5.2X20X25mm |
| Operating Temperature | -20℃ to 60℃ |
| Standard Charge Rate | 0.5C |
| Standard Discharge Rate | 1C |
| Configuration | 1S1P |
| Weight | 3.8g |
3.7v 200mah 502025 Small Lithim Polymer Battery for box mods, pod mods & AIO, vape pens
3.7V 200mAh 502025 Small Lithium Polymer Battery is a type of lithium polymer battery, featuring 3.7V nominal voltage and 200mAh capacity, specifically designed for compact vaping devices such as box mods, pod mods & AIO systems, and vape pens. With a slim pouch structure, this LiPo battery is ideal for applications that require a small footprint, light weight, and stable power output.
Composed of superior raw materials, including high-purity lithium cobalt chemistry and soft aluminum laminated film, the 502025 battery is lightweight, compact in size, and high in energy density. It also delivers low self-discharge and long cycle life, ensuring consistent discharge performance and reliable power delivery throughout repeated charging cycles.
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To ensure ultimate safety, its internal structure integrates a protection circuit board (battery PCB) that prevents overcharging, over-discharging, overcurrent, overheating, and short circuits. With a rapid response time of 1-3 milliseconds, it significantly enhances safety during high-frequency vaping usage.
The entire lithium battery production process occurs on highly automated production lines within medical-grade cleanrooms under strict humidity control. Supported by an advanced MES system, each battery cell undergoes comprehensive monitoring and testing to ensure consistent quality and production uniformity.
For flexible product integration, wires, connector types, discharge rates, and temperature performance are fully customizable to meet your design requirements. This 502025 lithium polymer battery delivers stable power output around 3.6V-3.7V, providing reliable power for box mods, pod mods & AIO devices, and ultra-thin mouthpieces. It ensures smooth vapor production and a consistent user experience.
Full Certification & Extended Warranty
VTCBATT LiPo batteries meet global certifications including CB, CE, UL, and UN38.3, and offer a 14-month warranty—two months longer than standard—to maximize customer confidence and profit.
CertificationVTCBATT lithium polymer batteries have passed numerous important international certifications, including UL1642, IEC62133, UN38.3, CE, ROHS, BIS and EU2024/1542, CE, ROHS, REACH, and KC certifications.
WarrantyVTCBATT LiPo batteries come with a 14-month warranty, 2 months longer than the standard 12-month warranty, providing extra coverage for shipping and customs clearance. This ensures customer confidence.
CustomizationDifferent sizes,capacities, connectors, discharge rates,and cases. Just inform us of your specific requirement, and our professional engineers can provide you with the customized lipo battery proposal.

Flexible order quantity to support prototype testing and mass production.

Our technical and sales teams reply to your inquiry within 6 hours.

Test our lithium battery quality and performance before placing bulk orders.
Batteries certified to UL, CE, UN38.3, MSDS, ROHS, IEC62133, and more global standards.
High energy density
Featuring high-energy density 200wh/kg-300wh/kg,the lipo battery can deliver more power than other battery chemistries and support high drain current to power the devices strongly.


PCB with NTC
VTCBATT lipo batteries are provided with NTC(Negative Temperature Coefficient), a kind of temperature sense to decrease the resistance as the temperature increases, allowing accurate temperature monitoring of the batteries. The NTC plays a critical role in improving the battery reliability and safety.
High Safety
In the safety lab,VTCBATT will stimulate all the test items of UL and IEC62133,including nail penetration test,free fall experiment,heavy object impact,extrusion experiments.

LiPo Battery Advantage

Based on 0.5C/1C cycling, the VTCBATT lipo battery can maintain over 80% capacity after 500 cycles and totally reach 1000 times cycle life.

VTCBATT Lipo battery can be discharged from -20℃ to 60℃.
This wide temperature range performance enables the battery to operate in many conditions.

VTCBATT lipo battery can be discharged in different rates of 0.2C,0.5C,1C,2C,3C to meet different power consumption.

After 30-day and 60-day storage, there is slight 1%-2% slight voltage decrease under 50% SOC at 25°C.
Why Choose VTCBATT?
VTCBATT not only focuses on customized design and quality service to meet the diverse needs of different customers, but also devotes itself to precise and standardized manufacturing of each process to ensure the highest quality of batteries. At the same time, VTCBATT will also provide comprehensive support from pre-sales to after-sales, pay attention to customer feedback, and establish a long-term, win-win relationship.VTCBATT’s professional team of sales and technical engineers will be your best customized battery experts, ready to provide you with reliable and fast service.
From the raw materials mixing to the batteries’ cell test, VTCBATT adopts an automatic manufacturing process to maximize production efficiency and enhance the batteries quality, safety, and reliability. The entire manufacturing process is monitored and 100% tested before flowing to the next procedure to ensure zero defects before delivery.
Over the past 20 years, VTCBATT has established strong partnerships with customers in more than 50 countries worldwide. Through reliable quality, timely service, and customized battery solutions, we have earned the trust of our clients, many of whom have maintained long-term cooperation and friendship with us for over a decade. Together, we will continue to grow and thrive, moving toward an even brighter future.
Application
The VTCBATT 3.7v 200mah 502025 polymer lithium-ion battery is widely used in portable electronics and smart devices that require high energy density and stable power output. With a slim pouch design, it is ideal for box mods, pod mods & AIO, vape pens. This battery supports customized dimensions, voltage, and protection circuits to match specific application needs. Featuring low internal resistance, long cycle life, and reliable safety performance, the VTCBATT 3.7v 200mah 502025Li-polymer battery ensures efficient operation, extended runtime, and dependable performance for both consumer and industrial applications.

Compact 3.7V 200mAh LiPo battery delivers stable power for lightweight portable box mod devices.

Small lithium polymer battery supports compact disposable vape designs with reliable and consistent output performance.

Lightweight 502025 LiPo battery fits handheld box mods requiring compact size and rechargeable power support.

Ultra-thin 3.7V LiPo battery enables slim pod systems with portable structure and stable vaping runtime.
Model: VTC-LP502025
3.7V 200mAh Lithium-ion Polymer Rechargeable Battery
High-performance rechargeable LiPo cell engineered with high-density chemistry. Featuring integrated Seiko protection IC and dual MOSFET safety circuits, customized for wearable medical devices, smart IoT tags, GPS trackers, and premium microelectronics.

1. Scope & Product Specification
This technical datasheet describes the parameters and testing standards for the Li-ion Polymer Rechargeable Battery, model VTC-LP502025, manufactured and supplied by VTC Power Co., Ltd.
Designed with standard B2B commercial reliability, this cell features high safety levels, excellent discharge rate stability, and deep cycle longevity. VTC Power offers complete customization including PCM circuit tuning, wire length customization, NTC thermal resistor integration, and standard connector terminations.
2. Drawing of Cell & Battery Pack Dimensions
Mechanical dimensions define the cell parameters and battery pack constraints. Standard tolerances apply.
| Item | Description | Specification / Dimension |
|---|---|---|
| A | Cell Tab Length | 4 ~ 8 mm |
| B | Cell Tab Pitch | 7.5 ± 1.5 mm |
| C | Cell Tab Width | 2 ± 0.2 mm |
| D | Cell Top Sealant Length | 5 ± 1 mm |
| T (Cell) | Cell Thickness (Max) | Initial: 5.0 mm | After 500 cycles: 5.4 mm |
| W (Cell) | Cell Width (Max) | 20.0 mm |
| H (Cell) | Cell Height (Max) | 25.0 mm |
| T (Pack) | Battery Pack Thickness (Max) | 5.2 mm |
| W (Pack) | Battery Pack Width (Max) | 20.5 mm |
| H (Pack) | Battery Pack Height (Max) | 27.0 mm |
| L | Wire Length | 20 ± 3 mm (UL1571 30AWG) |
3. Basic Performance Specifications
All parameters are measured at a standard temperature of 15~35°C, relative humidity 45~85%RH, and atmospheric pressure of 86~106KPa.
| NO. | Technical Parameter | Specification Value | Test Conditions / Notes |
|---|---|---|---|
| 1 | Rated Capacity | 210 mAh | 0.2C discharge to 3.0V |
| 2 | Nominal Capacity | 200 mAh | 0.2C discharge to 3.0V |
| 3 | Minimum Capacity | 190 mAh | 0.2C discharge to 3.0V |
| 4 | Weight | ≈ 3.8 g | Approximate cell weight |
| 5 | Initial Impedance | ≤ 350 mΩ | 3.7V AC 1KHz measured |
| 6 | Nominal Voltage | 3.7 V | Standard operating voltage |
| 7 | Initial Voltage | ≥ 3.8 V | Voltage within 15 days of factory shipment |
| 8 | Limited Charge Voltage | 4.2 V | Maximum charging termination limit |
| 9 | Standard Charging Method | 0.2C CC (constant current) charge to 4.2V, then CV (constant voltage) charge till current declines to ≤ 0.01C | |
| 10 | Cut-off Voltage | 3.0 V | Load voltage when discharge is terminated |
| 11 | Standard Charging Current | 40 mA | 0.2C rate standard charging current |
| 12 | Standard Charging Time | 6 ~ 7 hours | CC charge to 4.2V, then CV charge till current drops |
| 13 | Rapid Charging Current | 200 mA | 1.0C rate rapid charging current |
| 14 | Rapid Charging Time | 1.5 hours | Fast charge profile |
| 15 | Standard Discharging Current | 40 mA | 0.2C constant current discharge to 3.0V |
| 16 | Rapid Discharging Current | 200 mA | 1.0C rate continuous discharge |
| 17 | Peak Discharging Current | 300 mA | Maximum allowable short pulse current |
| 18 | Operating Temperature | Charge: 0 ~ 45 °C Discharge: -20 ~ 60 °C | Operating environment constraints |
| 19 | Operating Humidity Range | ≤ 90% RH | Non-condensing environment |

4. Electrochemical & Environmental Characteristics
Strict criteria applied during environmental qualification testing:
| No. | Test Item | Performance Criterion | Standardized Test Method |
|---|---|---|---|
| 1 | 0.2C Discharge Capacity | Discharging capacity is not less than the rated capacity (200mAh) | After standard charging, rest 5 minutes, then discharge at 0.2C to cut-off voltage 3.0V. |
| 2 | 1.0C Discharge Capacity | Discharging capacity is not less than 90% of normal capacity | After standard charging, rest 5 minutes, then discharge at 1.0C to cut-off voltage 3.0V. |
| 3 | Cycle Life | ≥ 600 cycles | Charge: 0.2C CC-CV to 4.2V, current cut-off 0.02C. Discharge: 0.2C CC to 3.0V. Test terminates when capacity drops below 80% of rated capacity. |
| 4 | Self-discharge | Remaining capacity is ≥ 85% of initial capacity | After standard charging, store the cell for 28 days at 20 ± 5°C. Then discharge at 0.2C to 3.0V. |
| 5 | Constant Temp/Humidity | No explosion, no fire, no leakage. Capacity is ≥ 60% of initial capacity. | Standard charged cell stored for 48 hours at 40 ± 5°C and 90~95% RH. Then discharge at 1.0C. |
| 6 | Vibration Test | No explosion, no fire, no leakage. | Subject to 30 min vibration per axis (X, Y, Z). Freq: 10~30Hz, Amp: 0.38mm. Freq: 30~55Hz, Amp: 0.19mm. Rate: 1 oct/min. |
| 7 | Shock Test | No explosion, no fire, no leakage. | Acceleration: 100 m/s² (10G). Pulse duration: < 16 ms. Shock cycles: 2100 ± 10 times. |
5. Safety Characteristics
Note: Safety assessments are performed under strictly controlled test parameters using protective enclosures.
| No. | Safety Test | Pass Criterion | Test Conditions |
|---|---|---|---|
| 1 | Overcharge Test | No explosion, no fire | Discharge cell at 1.0C to 3.0V. Then charge at 1.0C continuously for 2.5 hours. |
| 2 | Short-circuit Test | No explosion, no fire | Standard charged cell is short-circuited externally with copper wire (resistance ≤ 80mΩ). Test runs until cell temperature falls 10°C below the peak temperature. |
| 3 | Thermal Test (Hot Box) | No explosion, no fire | Standard charged cell placed in hot box. Temp ramp: 5 ± 2°C/min. Termination temperature: 130 ± 2°C. Heat sustained for 30 minutes. |
6. PCBA Protection Circuit (PCM) Specifications
Equipped with premium Japanese Seiko high-precision voltage detection IC to secure full operation life cycle.
6.1 Electrical Characteristics
| No. | Protection Parameter | Min | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| 1 | Over-charge Protection Voltage | 4.260 | 4.280 | 4.300 | V |
| 2 | Over-charge Release Voltage | 4.030 | 4.080 | 4.130 | V |
| 3 | Over-charge Protection Delay Time | 0.7 | 1 | 1.3 | s |
| 4 | Over-discharge Protection Voltage | 2.950 | 3.000 | 3.050 | V |
| 5 | Over-discharge Release Voltage | 2.900 | 3.000 | 3.100 | V |
| 6 | Over-discharge Protection Delay Time | 179 | 256 | 333 | ms |
| 7 | Over-current Protection for Discharge | 1 | 1.8 | 2.5 | A |
| 8 | Internal Resistance | / | 45 | 60 | mΩ |
| 9 | Operation Static Current | 1.5 | 5 | 8 | μA |
| 10 | Current Consumption (Power Down) | / | / | 0.5 | μA |
| 11 | Short Circuit Protection | Available (Auto-recovery) | – | ||
| 12 | Short Circuit Protection Delay Time | 196 | 280 | 364 | μs |
6.2 PCBA Parts List & Bill of Materials (BOM)
| No. | Location | Part Name | Specification Description | Package | Qty | Brand/Note |
|---|---|---|---|---|---|---|
| 1 | U1 | Protection IC | S8261DAA-M6T1U | SOT23-6 | 1 | Seiko (Japan) |
| 2 | U2 | MOSFET | 8205 Dual Channel | SOT23-6 | 1 | VTC PCM Dept |
| 3 | R1 | Resistor | 330 Ω ± 5% | 0402 | 1 | Yageo |
| 4 | R2 | Resistor | 1.0 KΩ ± 5% | 0402 | 1 | Yageo |
| 5 | C1 | Capacitor | 0.1 μF ± 10% (50V) | 0402 | 1 | Murata |
| 6 | PCB | Printed Circuit | LP502025 Standard Board (Green) | 16.5×3.8×0.6mm | 1 | FR4 RoHS Compliant |
7. Storage and Battery Safety Cautions
Proper cell management guarantees prolonged lifecycle performance and safeguards against field hazards.
7.1 Storage Temperature Thresholds
| No. | Storage Duration | Allowable Temp. | Recommended Storage Humidity |
|---|---|---|---|
| 1 | Short Term (≤ 1 month) | -20 ~ 45 °C | 65 ± 20% RH (Non-condensing environment) |
| 2 | Medium Term (≤ 3 months) | -20 ~ 35 °C | |
| 3 | Long Term (≤ 1 year) | 0 ~ 25 °C |
7.2 Safety Instructions & Hazard Mitigation
- ◆
Charging Profile: Never charge the battery beyond the maximum voltage of 4.25V. Reverse charging is strictly prohibited. - ◆
Discharge Handling: Do not force discharge past 3.0V. Avoid short-circuiting the positive (+) and negative (-) gold-plated wire leads. - ◆
Mechanical Cautions: Do not crush, puncture, incinerate, open, drop, or solder directly onto the cell casing wrapper. - ◆
Do not deploy the battery inside heavy static-charge or high electromagnetic fields to prevent damaging the PCM circuit. - ◆
If electrolyte leakage occurs and contacts eyes, do not rub. Immediately flush eyes with running water and seek emergency medical aid. - ◆
If the cell emits odors, thermal heat, discoloration, swelling, or deformation during charging or use, terminate charging and isolate the cell immediately.
B2B Custom Assembly & Direct Wholesale
VTC Power provides comprehensive OEM/ODM custom solutions for the VTC-LP502025. Contact our engineering team for custom wire harness design, connectors (JST, Molex, Hirose), NTC thermistors, and high-performance safety PCM integration.











