LiPo

3.7v 250mah 322535 Lipo Battery for wireless sensor, car key fob, Bluetooth OBD Diagnostic Device

Parameter	Specification
Model	VTC-LP322535
Nominal Voltage	3.7V
Capacity	250mAh
Max Size	3.4X25.5X37mm
Operating Temperature	-20℃ to 60℃
Standard Charge Rate	0.2C
Standard Discharge Rate	0.2C
Configuration	1S1P
Weight	4.5g

CB, CE, UL, UN38.3, MSDS, IEC61000, IEC62133, EU2023/1542

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Product overview

3.7v 250mah 322535 Lipo Battery for wireless sensor, car key fob, Bluetooth OBD Diagnostic Device | Battery Manufacturers in China & Battery Supply Factory

Pouch Battery 3.7V 322535 250mAh is a type of lithium polymer battery, featuring 3.7V nominal voltage and 250mAh capacity. Designed with a compact pouch structure, this battery is optimized for space-constrained electronic devices that require stable and reliable power output. Pouch Battery 3.7V 322535 250mAh is a type of lithium polymer battery, featuring 3.7V nominal voltage and 250mAh capacity, making it an ideal power solution for portable and low-power smart electronics.

In terms of features, this LiPo battery offers lightweight construction, compact size, high energy density, low self-discharge, and long cycle life. Composed of superior raw materials, lithium cobalt and soft aluminum film, the 322535 battery is lightweight and compact while maintaining consistent electrical performance.

To ensure ultimate safety, its internal is integrated with protection circuit board (battery PCB) to protect against overcharge, overdischarge, overcurrent, over temperature, and short circuit in 1–3ms fast response, ensuring safe operation throughout the battery’s lifecycle. The wire, connector, discharge rate, and temperature performance can be fully customized exactly to satisfy your product design, supporting flexible integration into various electronic systems. The whole lipo battery production process conducts in a high-automation production line and medical-grade, dust-free workshop with strict humidity control, supported by an advanced MES system for full traceability and quality assurance. It always delivers stable energy output around 3.6V–3.7V to power wireless sensors, car key fobs, and Bluetooth OBD diagnostic devices continuously, ensuring reliable performance in daily and automotive applications.

No.	Item	Min	Typ	Max	Unit
1	Over-charge Protection Voltage	4.26	4.28	4.3	V
2	Over-charge Release Voltage	4.03	4.08	4.13	V
3	Over-charge Protection Delay Time	700	1000	1300	ms
4	Over-discharge Protection Voltage	2.95	3	3.05	V
5	Over-discharge Release Voltage	Charge Activation	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	50	mΩ
9	Operation Static Current	1.5	5	8	μA
10	Current consumption – Power down	/	/	0.5	μA
11	Short Circuit Protection	Available
12	Short Circuit Protection Delay Time	196	280	364	μs

01

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.

02

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.

03

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.

Technical insight

Product and application details

Wireless sensor

Its compact 3.4mm thickness allows seamless integration into slim sensor housings without adding bulk.

Industrial Handheld Test Instrument

The 250mAh capacity provides sufficient runtime for intermittent diagnostic tasks during standard shift operations.

Bluetooth OBD Diagnostic Device

Standard 0.2C discharge rates ensure stable voltage delivery for consistent Bluetooth communication links.

Wearable Devices

At only 4.5g, the lightweight design prevents discomfort during extended periods of continuous wear.

Smart Remote Control

The 3.7V nominal voltage aligns perfectly with the standard single-cell requirements of remote circuits.

Wireless Sensor (Temperature Humidity Door Sensor)

Operating down to -20℃ ensures reliable performance in unheated environments like garage door sensors.

True Wireless Stereo (TWS) Earbuds

Tiny 32x25x3.5mm dimensions fit precisely into the restricted internal volume of modern earbud cases.

Car Key Fob

Low self-discharge characteristics maintain charge levels during long periods of inactivity between vehicle use.

Pouch Battery 3.7V 322535 250mAh is a type of lithium polymer battery, featuring 3.7V nominal voltage and 250mAh capacity. Designed with a compact pouch structure, this battery is optimized for space-constrained electronic devices that require stable and reliable power output. Pouch Battery 3.7V 322535 250mAh is a type of lithium polymer battery, featuring 3.7V nominal voltage and 250mAh capacity, making it an ideal power solution for portable and low-power smart electronics. In terms of features, this LiPo battery offers lightweight construction, compact size, high energy density, low self-discharge, and long cycle life. Composed of superior raw materials, lithium cobalt and

Pouch Battery 3.7V 322535 250mAh is a type of lithium polymer battery, featuring 3.7V nominal voltage and 250mAh capacity. Designed with a compact pouch structure, this battery is optimized for space-constrained electronic devices that require stable and reliable power output. Pouch Battery 3.7V 322535 250mAh is a type of lithium polymer battery, featuring 3.7V nominal voltage and 250mAh capacity, making it an ideal power solution for portable and low-power smart electronics.

In terms of features, this LiPo battery offers lightweight construction, compact size, high energy density, low self-discharge, and long cycle life. Composed of superior raw materials, lithium cobalt and soft aluminum film, the 322535 battery is lightweight and compact while maintaining consistent electrical performance.

To ensure ultimate safety, its internal is integrated with protection circuit board (battery PCB) to protect against overcharge, overdischarge, overcurrent, over temperature, and short circuit in 1–3ms fast response, ensuring safe operation throughout the battery’s lifecycle. The wire, connector, discharge rate, and temperature performance can be fully customized exactly to satisfy your product design, supporting flexible integration into various electronic systems. The whole lipo battery production process conducts in a high-automation production line and medical-grade, dust-free workshop with strict humidity control, supported by an advanced MES system for full traceability and quality assurance. It always delivers stable energy output around 3.6V–3.7V to power wireless sensors, car key fobs, and Bluetooth OBD diagnostic devices continuously, ensuring reliable performance in daily and automotive applications.

No.	Item	Min	Typ	Max	Unit
1	Over-charge Protection Voltage	4.26	4.28	4.3	V
2	Over-charge Release Voltage	4.03	4.08	4.13	V
3	Over-charge Protection Delay Time	700	1000	1300	ms
4	Over-discharge Protection Voltage	2.95	3	3.05	V
5	Over-discharge Release Voltage	Charge Activation	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	50	mΩ
9	Operation Static Current	1.5	5	8	μA
10	Current consumption – Power down	/	/	0.5	μA
11	Short Circuit Protection	Available
12	Short Circuit Protection Delay Time	196	280	364	μs

Factory capability

VTCBATT Production and Service

VTCBATT not only focuses on customized design and excellent service to meet the diverse demands of different customers, but also devotes itself to precise and standardized manufacturing in every process to ensure the highest-quality batteries. Meanwhile, VTCBATT provides comprehensive support from pre-sales to after-sales, focusing on customer feedback to establish long-term and win-win cooperation. VTCBATT professional sales and technical engineer teams will be your custom battery experts for reliable and responsive project support.

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Modern Manufacturing

From raw materials mixing to cell testing, VTCBATT adopts automated manufacturing processes to improve production efficiency and battery quality, safety, and reliability. The manufacturing process is monitored and tested before material moves to the next procedure.

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Trusted by Global Customers

Over the past 20 years, VTCBATT has built partnerships with customers in more than 50 countries. Reliable quality, responsive service, and tailored battery solutions support long-term cooperation with equipment manufacturers, distributors, and brands.