Custom 2S2P 7.2V 7.4V 18650 4400mAh rechargeable Lithium Battery Pack

Key Features:

• Configuration: 2S2P (2 cells in series, 2 in parallel)
• Voltage: 7.2V nominal / 7.4V fully charged
• Capacity: 4400mAh
• Cell type: High-quality 18650 lithium-ion cells
• Rechargeable and long cycle life
• Built-in protection circuit (optional) for overcharge, over-discharge, and short-circuit protection
• Customizable size, shape, and connector options to fit your device
• Lightweight and compact design for easy integration

Typhon is a leading polymer lithium-ion battery cell manufacturer, specializing in the production of 4400mAh 7.4 V li-ion batteries.

• Prolonged and reliable power for various devices without compromising performance.
• Eco-friendly and cost-effective with multiple use cycles.
• 18650 size enables seamless integration into devices without sacrificing power, ideal for portability.
• Widely used in flashlights, laptops, e-cigarettes, and electric vehicles, showcasing adaptability across industries.
• Protection against overcharging, over-discharging, and short circuits ensures safety for both battery and devices, emphasizing reliability.

7.4 V 4400mAh 18650 Battery Pack Application

Li-ion 18650 Battery For Speaker

Elevate your daily playlist with our lithium batteries tailored for speakers. With extended playtime due to its high energy density, these batteries keep the music flowing for longer durations, ensuring your beats accompany you throughout the day without pause. Their low self-discharge rates mean your speakers are always ready for your favorite tunes.

Li-ion 18650 Battery For Hair Clipper

Our lithium batteries for hair clippers boast high energy density, ensuring prolonged and consistent power during grooming sessions. Built to withstand frequent use, these batteries excel in professional salon settings. Their adaptable designs seamlessly fit into various clipper models, guaranteeing reliable and enduring performance for all grooming needs.

Li-ion 18650 Battery For Electric Toothbrush

Specifically crafted for toothbrushes, our lithium batteries offer extended usage due to their high energy density, supporting prolonged oral care routines. With consistent and dependable performance, these batteries cater to daily oral hygiene needs without disruption. Their adaptable configurations facilitate easy installation into different toothbrush models, ensuring reliable and uninterrupted functionality for maintaining dental health.

Li-ion 18650 Battery For Power Tool

Our lithium batteries for power tools embody high energy density, delivering prolonged and robust power for uninterrupted use in demanding projects. With exceptional durability, these batteries endure the rigors of heavy-duty applications and frequent recharging cycles. Their adaptable shapes cater to various power tool designs, ensuring reliable and customizable power solutions for professionals.

The Complete Guide For 7.4 V 4400mAh 18650 Battery

A 7.4 V 4400mAh 18650 li-ion battery serves as a crucial power source for various electronic devices. This guide delves into its components, functionalities, and best practices for optimal use.

Part 1. Advantages and Applications

The 4400mAh 7.4 V 18650 li-ion battery offers exceptional advantages, primarily its high capacity and voltage. Its versatile applications span numerous industries, including electronics, portable power tools, flashlights, and vaping devices. This versatility showcases its adaptability and reliability across diverse devices and requirements.

Part 2. Technical Specifications

The 4400mAh capacity denotes the battery's charge-holding capability, while the 7.4 V voltage determines its power output. Understanding these specifications aids in selecting the ideal battery for specific device requirements. Discharge rates and compatibility considerations are pivotal technical aspects impacting the battery's performance.

Part 3. Safety and Handling

Safety protocols and best practices when handling the 4400mAh 7.4 V 18650 li-ion battery are crucial. Handling guidelines include avoiding extreme temperatures, preventing overcharging or discharging, and ensuring compatibility with appropriate charging systems. These practices safeguard both the battery and the device it powers.

Part 4. Maintenance and Longevity

Proper charge-discharge cycles, temperature management, and avoiding complete discharges contribute significantly to battery longevity. Firmware updates and software optimizations also play a key role in maximizing battery performance.

Part 5. Buying Guide and Recommendations

For reliable and customized solutions, consider sourcing your 4400mAh 7.4 V 18650 Li-ion Batteries from Ufine custom battery. Our commitment to quality assurance and tailored battery solutions ensures dependable performance for your specific needs.

• Can li-ion 18650 batteries be used in series or parallel configurations for increased capacity or voltage?
  
  Yes, our li-ion 18650 batteries are designed for easy integration into series or parallel configurations to meet specific power requirements.
• How does the thermal performance of li-ion 18650 batteries compare to other battery types?
  
  Li-ion 18650 batteries have efficient thermal management systems, ensuring stable performance even under challenging temperature conditions.
• Are there any industry certifications or standards met by your li-ion 18650 batteries?
  
  Our li-ion 18650 batteries comply with industry standards and may have certifications such as UL, CE, or RoHS, depending on the application.
• How long does it take to fully charge a lithium battery?
  
  Charging time depends on the battery's capacity and the charger's current. For example, if the battery capacity is 4000mAh and the charger current is 2500mA, charging time = 4000mAh / 2500mA = 1.6 hours.
• How long do lithium batteries last?
  
  Our lithium battery cycle life is more than 500 times. The lifespan of a lithium battery depends on various factors, such as usage patterns, charging and discharging conditions, and overall maintenance.
• Can lithium batteries be customized for specific applications?
  
  Yes, lithium batteries can be customized to meet specific requirements. This includes customizing the battery capacity, voltage, size, shape, and other parameters to suit the application's needs. Capacity: 20mAh~12000mAh, Voltage: 3.2 V~48 V.