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Custom 1S4P 18650 Lithium Battery Pack 3.7V 12500mAh Rechargeable Battery

Original price $54.99 - Original price $54.99
Original price
$54.99
$54.99 - $54.99
Current price $54.99

This 1S4P 18650 lithium battery pack features a nominal voltage of 3.7V and a large capacity of 12500mAh (12.5Ah). It uses four premium 18650 lithium-ion cells connected in parallel, offering stable and long-lasting power for various industrial, portable, and smart device applications.

High-Capacity and Reliable 1S4P 18650 Lithium Battery Pack

Our 1S4P lithium battery pack is composed of four 18650 lithium-ion cells arranged in parallel, delivering a nominal voltage of 3.7V and a capacity of 12500mAh. Designed for demanding applications, it provides excellent safety features, long cycle life, and compact size.

Key Features:

  • Large Capacity: 12500mAh ensures extended operating time.
  • Safety Protections: Integrated safeguards against overcharge, over-discharge, short circuit, and overheating.
  • Long Cycle Life: High-quality cells sustain performance for hundreds of cycles.
  • Compact & Lightweight: Easy integration into portable and industrial equipment.
  • Certifications: Compliant with RoHS, CE, and UN38.3 standards.

Typical Applications:

  • Power tools and industrial machines
  • Portable medical devices
  • Smart home and IoT devices
  • Wireless sensors and monitoring equipment
  • Automation and control systems


  Brand Name: TYPHON

  Type:Li-Ion,Li-ion battery,Lithium battery

  Place of Origin:Guangdong China (Mainland)

  Composed Type:1S4P

  Nominal Voltage:3.7V

  Nominal Capacity: 12500mAh(12.5Ah)

  Maximal Charging Current:6A(Adjust)

  Constant Discharge Current:12.5A(Adjust)

  Over Charger Protection Voltage(V):4.2V±0.05V

  Over Discharge Protection Voltage(V):2.75V

  Cell:Sony/Sanyo/LG/Panasonic/Samsung/domestic 3100mAh Battery

  Certificate:CE,ROHS,UN38.3 REACH

  Pack:Blue PVC Shrink tube

  Size:19(T) x 73(W) x 68(H)mm

  Weight:198g

  Charging temperature(ºC):0ºC~45ºC;32oF~113oF

  Discharging temperature(ºC):-20ºC~60ºC;-4oF~149oF

  Storage temperature(ºC):-20ºC~45ºC;-4oF~113oF

  Protection Temperature(ºC):70ºC±5ºC

  Delivery time:5-7days

  Cycle life:800 times

  Warranty:12 months

  Packing:Antistatic bag /white box and standard export carton/customized

Typhon is a leading polymer lithium-ion battery cell manufacturer, specializing in the production of 12500mAh 3.7 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.

3.7 V 12500mAh 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 3.7 V 12500mAh 18650 Battery

A 3.7 V 12500mAh 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 12500mAh 3.7 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 12500mAh capacity denotes the battery's charge-holding capability, while the 3.7 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 12500mAh 3.7 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 12500mAh 3.7 V 18650 Li-ion Batteries from Typhon 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.

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