3.7v 704241 1550mah Lipo Battery for Arduino ESP32 Development Board, Speaker and Wireless Devices
| Model | VTC-LP704241 |
| Nominal Voltage | 3.7V |
| Capacity | 1500mAh |
| Max Size | 7.2X42.5X43mm |
| Operating Temperature | -20℃ to 60℃ |
| Standard Charge Rate | 0.2C |
| Standard Discharge Rate | 1C |
| Configuration | 1S1P |
| Weight | 27g |
3.7v 704241 1550mah Lipo Battery for Arduino ESP32 Development Board, Speaker and Wireless Devices
Pouch Battery 3.7V 704241 1550mAh LiPo Battery is a type of lithium polymer battery, featuring 3.7V nominal voltage and 1550mAh capacity. Designed with a slim pouch structure, this battery delivers stable and efficient power for compact electronic projects and embedded systems.
In terms of features, the 3.7V 704241 1550mAh LiPo battery stands out for its lightweight design, compact size, high energy density, low self-discharge rate, and long cycle life. Composed of superior raw materials, including high-quality lithium cobalt chemistry and soft aluminum film packaging, it ensures reliable performance while minimizing overall device weight, making it ideal for space-limited designs.
Safety is a core advantage. To ensure ultimate safety, its internal is integrated with protection circuit board (battery PCB) to protect against overcharge, overdischarge, over current, over temperature, and short circuit, with 1–3ms fast response, effectively safeguarding both the battery and the connected electronics. From a production perspective, the whole lipo battery production process conducts in a high-automation production line, within a medical-grade, dust-free workshop under strict humidity control. An advanced MES system is applied to guarantee full traceability and consistent quality. For customization, the wire, connector, discharge rate, and temperature performance can be fully customized exactly to satisfy your product design requirements.
This battery always delivers stable energy output around 3.6V–3.7V, making it well-suited to power Arduino ESP32 development boards, speakers, wireless devices, IoT modules, and portable electronic projects continuously and reliably.
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 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 will provide comprehensive support from pre-sales to after-sales, focusing on customers’ feedback to establish long-term and win-win cooperation. VTCBATT professional sales and technical engineer teams will be your best custom battery experts to assist with reliable and fast services at any time.
From the raw materials mixing to the 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 built strong partnerships with customers in more than 50 countries worldwide. With reliable quality, responsive service, and tailored battery solutions, we have earned the trust of our clients—many of whom have maintained long-term cooperation and lasting friendships with us for over a decade. Together, we continue to grow and move forward toward a brighter future.
Application for 704241 polymer lithium-ion battery
The VTCBATT 3.7v 704241 1550mah 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 Arduino ESP32 Development Board, Speaker and Wireless Devices. 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 1550mAh Li-polymer battery ensures efficient operation, extended runtime, and dependable performance for both consumer and industrial applications.
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VTCBATT pouch battery helps Arduino ESP32 development boards test sensors, WiFi modules, and portable prototypes.
