21700 Lithium Ion Battery Pack 11.1V 3S1P 4AH 12V 24V 48V OEM Custom Rechargeable Battery Manufacturer

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SKU: 1601608761277 Category:
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  • rechargeable : RECHARGABLE
  • Type : Li-ion Batterty
  • use : Camera, Karaoke Microphone, MP3 / MP4 Player, Home Appliace
  • model number : 21700 3S1P
  • brand name : OEM OR XMX
  • place of origin : Guangdong, China
  • battery type : Li-ion Batterty
  • color : Silver, Blue
  • nominal voltage : 7.4V
  • products status : Stock
  • Capacity : 4000mAh
  • Place of Origin : Guangdong
  • Color : Blue
  • Voltage : 11.1V
  • Keyword : 3.7v Lithium Ion Battery
  • Charging life cycle : 500 Cycle Times
  • Rechargeable : Rechargeable Battery Pack
  • Product Name : 21700 L;I-ION Battery pack
Product Description  产品描述

Key Advantages:

ISO9001 Certified Factory
✅ 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.
Detailed Images
Product detail drawing

产品细节图 +产品细节介绍
Item Specification :Cell

Type 21700 Li-ionNominal Voltage3.7V / 7.4V / 12V Capacity 4000–36000mAh optional
Working Temperature-20C ~ 60C
– High energy density and long lifespan >2000 cycles – Waterproof and dustproof casing IP65 optional – Built-in BMS for overcharge/overdischarge protection – CE, RoHS, UN38.3 certified
We design and produce customized lithium battery packs according to your specifications:
* Voltage & Capacity Design 3.7V~100V
* Shape & Size Customization
* BMS, Connector, and Cable Options
* Sample Ready Within 7 Days

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

Application :
Electric drill/impact wrench
Electric screwdriver
Angle grinder Small
Garden lawn mower
Chainsaw small
Emergency work light
Adventure camping lamp
Fishing lamp
Photography fill light
Portable vacuum cleaner
Electric sprayer
Some DIY electronic projects

 battery solution for your selection 
* 3S1P 11.1V 2200mAh for Power Tools
* 4S2P 14.8V 5200mAh for E-bike
* 7S3P 25.9V 7800mAh for Robots

* 12V / 24V / 48V LiFePO4 Battery Modules for Home Solar Systems

The 21700 2S1P battery pack, with its balanced voltage, considerable capacity and powerful discharge capability, is mainly targeted at “portable devices that require strong power and medium endurance.



Product Presentation

Product Name

21700 3S1P 11.1V 4ah battery pack 

packing way

3S1P

Capacity

4000mah

Voltage

11.1v

charge restriction voltage

12.6v

rated power 

44.4wh
Weight
225g

warranty
1 year 

  • shipment package 

尺寸介绍货尺寸图片

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.
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
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



Company introduction
Xinmengxing Technology is a high-tech enterprise. This is our third five-year period. We are constantly pursuing technological innovation, thinking innovation and quality innovation。we adheres to technological innovation, management innovation and R&D innovation as its foundation, constantly enhancing the competitiveness of its products
Compatible Model

21700 3S1P

nominal capacity

Customized, 5200mah, 4000MAH

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