- compatible brand : 11.1v 20ah battery pack
- rechargeable : RECHARGABLE
- Type : Li-ion Batterty
- use : Karaoke Microphone, Home Appliace, Electric vehicles and robots, Wheelchairs/mobility scooters
- model number : 18650 3s8p
- brand name : xmx or oem
- place of origin : Guangdong, China
- battery type : Li-ion Batterty
- color : Blue
- nominal voltage : 11.1v
- products status : Stock
- Capacity : 20000mAh
- Place of Origin : Guangdong
- Color : Blue
- Voltage : 11.1v
- Keyword : 3.7v Lithium Ion Battery 18650 cell
- Charging life cycle : 500 Cycle Times
Product Description
Key Advantages:
ISO9001 Certified Factory
✅ UN38.3 / MSDS / CE / RoHS/UL/KC
✅ Fast Response & Professional Service
✅ Stable Supply and Competitive Price
✅ UN38.3 / MSDS / CE / RoHS/UL/KC
✅ Fast Response & Professional Service
✅ Stable Supply and Competitive Price
Our custom lithium ion battery packs are designed for solar energy storage, e-bikes, and industrial applications. Each pack uses
high-quality 21700 or 18650 cells with smart BMS protection.
high-quality 21700 or 18650 cells with smart BMS protection.
Detailed Images
Product detail drawing
产品细节图 +产品细节介绍
Each battery pack is manufactured under strict quality protocols, including:
* Cell sorting and matching
* Cycle and aging tests
* Protection verification
* Temperature and load testing
* Final inspection before shipment
This ensures consistent performance and dependable operation in demanding use conditions.
* Cell sorting and matching
* Cycle and aging tests
* Protection verification
* Temperature and load testing
* Final inspection before shipment
This ensures consistent performance and dependable operation in demanding use conditions.
Professional Safety Management Optional BMS
Supports over-charge, over-discharge, over-current and short-circuit protection, enhancing system safety and longevity.
Full Customization for OEM Projects
Connector type, cable length, casing, BMS parameters and labels can all be tailored to meet project requirements..
Supports over-charge, over-discharge, over-current and short-circuit protection, enhancing system safety and longevity.
Full Customization for OEM Projects
Connector type, cable length, casing, BMS parameters and labels can all be tailored to meet project requirements..
✅ Typical Applications
This battery pack is widely used in:
* Security and surveillance systems
This battery pack is widely used in:
* Security and surveillance systems
* Portable testing instrument
* Smart robots and small AGV unit
* Medical backup power devices
* Wireless communication modules
* Mobile lighting equipment
* Inspection tools and handheld terminals
* Industrial control equipment
* DIY electronics and custom projects
Introduction of product advantages or application effect or application mode
产品优点or使用效果or使用方式的介绍说明
Exclusive design
The 18650 3S8P 11.1V 20000mAh lithium battery pack is designed for customers who need stable performance, long endurance and
reliable power supply for mid-power devices. Built with selected A-grade 18650 cells and advanced assembly technology, this pack
delivers consistent output, excellent cycle life and dependable safety protection for daily and industrial use.
With a compact structure and high energy density, the 3S8P configuration offers a strong balance between capacity and portability.
It supports customization for different connectors, wire lengths, BMS options and housing requirements, making it suitable for
various OEM/ODM applications.
reliable power supply for mid-power devices. Built with selected A-grade 18650 cells and advanced assembly technology, this pack
delivers consistent output, excellent cycle life and dependable safety protection for daily and industrial use.
With a compact structure and high energy density, the 3S8P configuration offers a strong balance between capacity and portability.
It supports customization for different connectors, wire lengths, BMS options and housing requirements, making it suitable for
various OEM/ODM applications.
battery solution for your selection
High Capacity 20000mAh
Provides extended runtime for devices that require long operating hours.
Stable 11.1V Output
Ensures smooth performance for electronics, instruments and control systems.
A-Grade 18650 Cells
Consistent discharge curve, low internal resistance and optimized durability.
Optional Protection Board BMS
Supports over-charge, over-discharge, short-circuit and over-current protections.
Customizable Design
Wire, connector, casing, labels and packaging can be tailored to your project.
Lightweight & Compact
High energy density with efficient space use for portable equipment.
Reliable Manufacturing Quality
Each pack is tested for voltage, capacity, aging and safety before shipment.
Product Presentation
Model: 18650 3S8P
Nominal Voltage: 11.1V
Nominal Capacity: 20000mAh
Configuration: 3S8P
Cell Type: 18650 lithium-ion cells
Charging Voltage: 12.6V
Discharge Cut-off Voltage: 8.4V
Optional BMS: Over-charge, over-discharge, over-current, short-circuit
Customization: Connector, wire, size, label, and PCM available
Professional Safety Management Optional BMS
Supports over-charge, over-discharge, over-current and short-circuit protection, enhancing system safety and longevity.
Full Customization for OEM Projects
Connector type, cable length, casing, BMS parameters and labels can all be tailored to meet project requirements.
Compact High-Density Construction
Efficient internal layout offers a strong capacity-to-size ratio suitable for portable and space-limited devices.
Supports over-charge, over-discharge, over-current and short-circuit protection, enhancing system safety and longevity.
Full Customization for OEM Projects
Connector type, cable length, casing, BMS parameters and labels can all be tailored to meet project requirements.
Compact High-Density Construction
Efficient internal layout offers a strong capacity-to-size ratio suitable for portable and space-limited devices.
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Product Name |
18650 3s8pp high power battery pack
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|
packing way |
3s8p
|
|
Capacity |
20ah
|
|
Voltage |
11.1v
|
|
charge restriction voltage |
12.6v
|
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rated power |
219wh
|
|
warranty
|
1 year
|
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shipment package
Company Introduction
With over 10 years of experience in the lithium battery industry, we specialize in 18650 and 21700 cells and a wide range of customized battery packs.
Our products are widely used in E-bikes, Power Tools, Solar Energy Storage, Medical Devices, and Smart Equipment.
We own advanced production lines, strict quality control systems, and a professional R&D team to support OEM/ODM projects.
Our products are widely used in E-bikes, Power Tools, Solar Energy Storage, Medical Devices, and Smart Equipment.
We own advanced production lines, strict quality control systems, and a professional R&D team to support OEM/ODM projects.
Packing&Shipping
FAQ
Why Choose Us ?we give you qo reasons
1.10+ Years Battery Industry Experience
2.Direct Factory with Stable Quality & Supply
3.Strong R&D and Customization Capability
4.Wide Range: 18650 / 21700 / LiFePO4 / Polymer pack
5.Export Experience to 30+ Countries
3.Strong R&D and Customization Capability
4.Wide Range: 18650 / 21700 / LiFePO4 / Polymer pack
5.Export Experience to 30+ Countries
6.Professional battery manufacturer in Dongguan, China
7. OEM / ODM service, flexible design
8.Strict quality control and testing before shipment
9.Fast delivery and stable supply
10.Quick response — within 12 hours
7. OEM / ODM service, flexible design
8.Strict quality control and testing before shipment
9.Fast delivery and stable supply
10.Quick response — within 12 hours
✅ OEM/ODM Service
We provide full customization:
* Shape and dimensions
* Cable length and connectors
* BMS parameters
* Labels and branding
* Packaging design
Suitable for both small batch and bulk production needs.
We provide full customization:
* Shape and dimensions
* Cable length and connectors
* BMS parameters
* Labels and branding
* Packaging design
Suitable for both small batch and bulk production needs.
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