OEM High Quality 3.7V Lithium Battery

With 20 years of lithium battery manufacturing experience, Vcell Power 3.7V Lithium Ion Battery provides stable products from a leading Chinese supplier. Featuring stable voltage, high energy density, long cycle life and reliable safety, our batteries can be assembled into 7.4V, 24V, 36V packs for consumer electronics, IoT devices and smart home products. All items are certified to UN38.3, CE and other standards.

What is 3.7V Lithium Ion Battery?

The product is a core product of Vcell Power. We have full capacity for large-scale and efficient production. Adopting advanced lithium-ion technology, this battery delivers a steady 3.7V output with great performance and safety. It serves consumer electronics, IoT devices and smart home equipment, and has obtained multiple authoritative certifications.

How to Select the Right 3.7V Lithium Ion Battery

We offer professional selection guidance for 3.7V Lithium Ion Battery.

Selection by Voltage Requirements

· Single 3.7V cell: Suitable for low-power portable consumer electronics. Simple structure cuts extra circuit costs and is the most common battery solution.

· 7.4V battery pack: Made of two cells in series. Perfect for electric toothbrushes, handheld vacuums and walkie-talkies, balancing power and size well.

· 24V battery pack: Assembled with multiple cells in series. Ideal for power tools and industrial devices, matching mainstream industrial voltage standards.

· 36V battery pack: Built with series-connected cells for electric bicycles and AGVs. It works well for light electric vehicles with good power output.

Selection by Application Scenarios

· Consumer electronics: Fit for Bluetooth speakers, portable players and e-readers. The battery maintains stable performance after repeated charging and discharging.

· IoT devices: Designed for smart sensors, wireless modules and trackers. It features low self-discharge rate and supports long-term standby.

· Smart home appliances: Used for smart locks and home sensors. It keeps stable power in standby and offers reliable output under instantaneous high current.

We customize battery packs in various voltages and capacities. Just share your requirements on voltage, capacity and size, and our team will offer tailored solutions.

What Are the Product Advantages?

Vcell Power 3.7V Lithium Ion Battery has remarkable technical strengths as below.

High Energy Density

· It adopts advanced lithium-ion technology for longer runtime at the same weight. Its energy density is 2-3 times higher than Ni-MH batteries.

· It satisfies lightweight and long-endurance demands of wearable devices and portable gadgets.

Long Cycle Life

· We conduct strict cell sorting and matching. Capacity and internal resistance differences among cells are controlled within a small range for stable long-term use.

· Excellent cycle performance reduces equipment maintenance and battery replacement frequency.

Excellent Safety Performance

· The products pass UN38.3 and CE certifications, covering a full set of safety tests to ensure safe transportation and application.

· Built-in or external protection boards provide overcharge, overdischarge and short circuit protection against potential risks.

Reliable Quality

· Founded in 2001, we stepped into lithium battery field in 2003 and launched the first 18650 cell in 2004, accumulating complete core technologies.

· Automated production lines and comprehensive testing systems support large orders and consistent batch quality.

Battery Pack Assembly

3.7V Lithium Ion Battery can be used alone or assembled into multi-cell packs. We provide customized packs in the following specifications:

Key Points for Battery Pack Assembly

· Cell matching: Cells with similar capacity and internal resistance are grouped together to avoid early failure of the whole pack.

· BMS configuration: Multi-cell packs are equipped with balanced battery management systems to prevent overcharge, overdischarge and overcurrent.

· Structure customization: Housings, connectors and wires can be customized. Pre-installed accessories help easy installation.

We support diversified customization to meet demands of consumer electronics, IoT devices and smart home products.

Quality & Certifications: UN38.3 and CE

UN38.3 Certification

It meets international air transportation standards after a series of strict tests. Our batteries can be shipped to over 80 countries and regions worldwide safely.

CE Certification

It complies with EU safety and environmental regulations. Products with our batteries can be directly sold to European markets without extra compliance tests.

We implement strict quality control for every cell to ensure stable performance and strong competitiveness. Our mainstream model is 3.7V 1900mAh INR18500 Lithium Ion Battery with full certifications.

Frequently Asked Questions

Q: What models of 3.7V Lithium Ion Battery do you offer?

 A: Our standard model is 3.7V 1900mAh INR18500 Lithium Ion Battery. We also customize 7.4V, 24V and 36V battery packs according to your needs.

Q: What devices are these batteries suitable for?

 A: They work for consumer electronics, IoT devices and smart home appliances, such as Bluetooth speakers, smart locks and sensors.

Q: What certifications do your products have?

A: Our batteries are certified with UN38.3 and CE. They support safe air transportation and export to European markets.

Q: Do you offer custom battery packs?

A: Yes. We develop customized packs based on your required voltage, capacity, size and working current.

Q: Can I order samples?

A: Yes. Please contact our sales team for sample policies. We support sample orders and small-batch trial production.