Certificate

Your Top 3.7 Volt Lithium Ion Battery Manufacturer & Solution Provider

KET is a full-service lithium ion battery supplier with complete design and engineering capabilities.  We have served more than 500 satisfied customers from various industries.

At present, KET battery products are widely used in home and commercial energy storage system, RV, motorhome, trolling motor, ebike, caravan, wheelchair, scooter, forklifts, medical, low-speed vehicles, military equipment, ups and other fields.

Furthermore, most of our standard products have obtained certifications such as CE, FCC, UN38.3, and MSDS. If you require certifications for your new customized 3.7 volt lithium ion battery, we will gladly assist in obtaining the relevant certifications.
Your Top 3.7 Volt Lithium Ion Battery Manufacturer & Solution Provider
Strict Quality Control For Your 3.7 Volt Lithium Ion Battery

Strict Quality Control For Your 3.7 Volt Lithium Ion Battery

Quality control is of the utmost importance to KET. We take it very seriously and strive to always meet the highest standards.

Our company is equipped with advanced technology, such as an automatic electric battery cell sorting machine, a high and low temperature test box, a charge and discharge aging instrument, a comprehensive tester, and a vibration tester, which allows us to thoroughly test and verify the performance of our products.

Our team of IQC staff members thoroughly inspect the 3.7 volt lithium ion battery pack before it's shipped. They also test the performance of the battery during the production process.

ISO 9001 is an internationally recognized standard for quality management systems. It provides a framework for ensuring that our processes and procedures are efficient and effective in meeting customer requirements.

And in order to better control each production process, we have production records for each core production process.

Learn More

Your Best Wholesale 3.7 Volt Lithium Ion Battery For Sale

A 3.7 volt lithium ion battery is a type of rechargeable battery that uses lithium ions as the primary charge carrier. These batteries have a higher energy density and lower self-discharge rate compared to other types of rechargeable batteries, making them a popular choice for portable electronic devices such as smartphones, laptops, and power banks. They also have a longer lifespan and require less maintenance than other types of batteries. However, they can be more expensive and can be dangerous if not used or handled properly.

How To Custom Your 3.7 Volt Lithium Ion Battery?

Custom lifepo4 battery

Note: Due to different custom requirements there will be different MOQ requirements, while the cost of raw materials for batteries has fluctuated a lot recently. So please contact us in time and get the latest 3.7 volt lithium ion battery quotes.

Call us today

Advantage And Disadvantage Of 3.7 Volt Lithium Ion Battery

Advantages of 3.7 volt lithium ion battery include:

1.High energy density: These batteries have a higher energy density than other types of rechargeable batteries, meaning they can store more energy in a smaller space.

2.Low self-discharge rate: Lithium ion batteries have a lower self-discharge rate than other types of batteries, meaning they lose less of their charge when not in use.

3.Long lifespan: Lithium ion batteries have a longer lifespan than other types of rechargeable batteries, meaning they can be used for a longer period of time before needing to be replaced.

4.Low maintenance: These batteries require less maintenance than other types of batteries and do not have a "memory effect" that can reduce their capacity over time.

Disadvantages of 3.7 volt lithium ion battery include:

1.Cost: Lithium ion batteries can be more expensive than other types of rechargeable batteries.

2.Safety concerns: Lithium ion batteries can be dangerous if not used or handled properly. They can overheat, catch fire, or even explode if they are overcharged, short-circuited, or damaged.

3.Limited charging cycles: Lithium-ion batteries have a limited number of charge cycles, meaning it can only be charge and discharge a certain number of times before the capacity diminishes.

4.Temperature sensitivity: Lithium-ion batteries are sensitive to high and low temperatures and their performance can be affected by extreme temperatures.

Call us today

Application Of 3.7 Volt Lithium Ion Battery

3.7 volt lithium ion battery is widely used in a variety of portable electronic devices, including:

Smartphones: Lithium ion batteries are used in most smartphones as they provide a long battery life and can be recharged quickly.

Laptops: Laptops also use lithium-ion batteries as they are lightweight and have high energy density which is a great fit for portable electronic devices.

Power banks: Power banks, which are portable battery chargers for electronic devices, often use lithium ion batteries as they can store a large amount of energy in a small space.

Cameras and Camcorders: Many modern cameras and camcorders use lithium-ion batteries as their power source due to their high energy density and long lifespan.

Electric vehicles: Lithium-ion batteries are also used in electric vehicles as they have high energy density and are able to be recharged quickly.

Portable medical devices: Portable medical devices such as blood glucose monitors, insulin pumps, and heart rate monitors use lithium-ion batteries as they have a long lifespan, low self-discharge rate, and low maintenance requirements.

Other portable electronic devices: Lithium-ion batteries are also used in other portable electronic devices such as e-cigarettes, portable speakers, and portable gaming devices.

Call us today

FAQ

How do I know whether you've shipped my order or not?
Tracking NO. will be offered as soon as your order be shipped out. Before that, our sales will be there to check the packing status, photo of the order and let you know the detail shipment information.
What is your terms of packing?
Generally, we pack the goods in neutral brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes.
What is the brand of cells you use?
To guarantee the quality of our batteries, 80% of our packs are made by Chinese grade A cells. These are used in electric cars and have high performance and low resistance. The other 20% are made by Samsung, LG, and Panasonic.
Can you offer chargers of 3.7 volt lithium ion battery?
We do not provide chargers. However, if you have a need for a charger you can contact our sales to assist in purchasing on your behalf.
How does a 3.7 v lithium ion rechargeable battery work?
A rechargeable lithium ion battery 3.7v works by using lithium ions as the primary charge carrier. The battery is composed of two electrodes, a cathode and an anode, which are separated by a separator. The cathode is typically made of lithium cobalt oxide (LiCoO2) while the anode is made of carbon (graphite).

When the battery is being charged, lithium ions move from the anode to the cathode through the separator. This causes the anode to become negatively charged and the cathode to become positively charged. The energy stored in the battery is a result of the difference in charge between the two electrodes.

When the battery is being discharged, the opposite process occurs, and the lithium ions move from the cathode back to the anode. This causes the anode to become positively charged and the cathode to become negatively charged. As the lithium ions move, they release energy, which is used to power the device connected to the battery.

The charging and discharging process can be repeated many times, allowing the battery to be used multiple times before needing to be replaced. However, over time, the capacity of the battery will decrease due to the limited number of charge cycles the battery can handle.
Can I use a 3.6 V battery instead of 3.7 V?
It depends on the device that you are using the battery in. Some devices may be able to work with a 3.6 volt battery, while others may not.

A 3.6 V battery has a slightly lower voltage than a 3.7 V battery. If the device that you are using the battery in is designed to work with a 3.7 V battery, using a 3.6 V battery may result in reduced performance or shorter battery life. The device may not function properly or may not be able to charge the battery.

However, if the device is designed to work with a range of voltage, it might still work with a 3.6 V battery, but it might not give the optimal performance or may not last as long as it would with a 3.7 V battery.
How do you charge a 3.7 volt lithium ion battery?
A 3.7 volt lithium ion battery can be charged using a lithium ion battery charger. The charger typically has a built-in microcontroller that regulates the charging process to prevent overcharging and overheating. The charging process typically involves applying a constant voltage to the battery until the current flowing into the battery decreases, indicating that the battery is fully charged. The specific charging method and parameters, such as charging voltage and current, will vary depending on the type and capacity of the battery. It's important to use a charger specifically designed for lithium ion batteries and to follow the instructions for charging and maintaining the battery to ensure safe and efficient operation.
How long does a 3.7 V lithium ion battery last?
The lifespan of a 3.7 V lithium ion battery can vary depending on several factors, such as the quality of the battery, the amount of use it receives, and the conditions in which it is stored. On average, a 3.7 V lithium ion battery can last for several hundred charge cycles, with a capacity loss of about 20% after the first year and around 5% per year thereafter. However, many factors can affect the actual lifespan of a lithium-ion battery, and it may be shorter or longer depending on the usage and care.