- compatible brand : XMX
- rechargeable : RECHARGABLE
- Type : Standard Battery, Battery Pack, Li-Ion, Rechargeable Batteries
- use : Robot Vacuums
- model number : 18650-4S1P
- brand name : PKNERGY
- place of origin : Guangdong, China
- battery type : LI-ION BATTERY
- color : BLUE
- nominal voltage : 14.8v
- Model Number : 21700 4S1P
- Capacity : 4000MAH-5000MAH
- Warranty : 1 YEAR
Product Description
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Product Name
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21700 4S1P Li-ion Battery stick 14.8V
|
|
Battery cell
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21700
|
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packing way
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4s1p
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|
Voltage
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14.8v
|
|
Fully Charged Voltage
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16.8v
|
|
Capacity
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4000mah
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|
Package
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box packing
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|
cycle life
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500-1000 Times
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|
weight
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200g
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certification
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CE/UL/UN38.3/MSDS/PSE/3C
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Place of Origin
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guangdong ,china
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warranty
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1 year
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|
OEM/ODM
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acceptable
|





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.
Detailed Images
Product detail drawing
产品细节图 +产品细节介绍



“Fits most compact robot vacuums”
“Ideal for handheld vacuums and smart toys”
“Custom OEM/ODM available — connectors, labels, capacities”
“Ideal for handheld vacuums and smart toys”
“Custom OEM/ODM available — connectors, labels, capacities”
– High energy density and long lifespan >500 cycles – can customized different voltage ,capacity .discharge rate ,working current ,with different packing way and shape – Built-in PCB/BMS for overcharge/overdischarge protection 3C- CE, RoHS, UN38.3 certified
Exclusive design
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
* 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
* ✔ High Energy Density: Utilizes premium 21700 cells for superior capacity and long-lasting power in a compact size.
* ✔ Stable 14.8V Output: 4S1P configuration provides a consistent and reliable voltage, ideal for power-hungry devices.
* ✔ Robust Stick Form Factor: The cylindrical, rigid design approx. 52.4mm x 93.0mm is easy to mount and integrates seamlessly
into tube-shaped products.
* ✔ Built-in Protection BMS: Includes a customized Battery Management System BMS for protection against overcharge,
over-discharge, over-current, and short circuits, ensuring safety and longevity.
* ✔ Customizable Solutions: Choose from various wire gauges, connectors e.g., JST, XT60, and BMS specifications. We can adjust
the outer sleeve labeling with your branding.
* ✔ Durable Construction: Features PVC/PCM shrink tubing for insulation, abrasion resistance, and a professional finish.
* ✔ Stable 14.8V Output: 4S1P configuration provides a consistent and reliable voltage, ideal for power-hungry devices.
* ✔ Robust Stick Form Factor: The cylindrical, rigid design approx. 52.4mm x 93.0mm is easy to mount and integrates seamlessly
into tube-shaped products.
* ✔ Built-in Protection BMS: Includes a customized Battery Management System BMS for protection against overcharge,
over-discharge, over-current, and short circuits, ensuring safety and longevity.
* ✔ Customizable Solutions: Choose from various wire gauges, connectors e.g., JST, XT60, and BMS specifications. We can adjust
the outer sleeve labeling with your branding.
* ✔ Durable Construction: Features PVC/PCM shrink tubing for insulation, abrasion resistance, and a professional finish.


battery solution for your selection
* 3S1P 11.1V 2200mAh for Power Tools
3S2P 11.1v 60000mah for car electronics
* 4S2P 14.8V 5200mAh for E-bike
* 7S3P 25.9V 7800mAh for Robots
* 4S2P 14.8V 5200mAh for E-bike
* 7S3P 25.9V 7800mAh for Robots
* 12V / 24V / 48V LiFePO4 Battery Modules for Home Solar Systems
This versatile battery pack is perfect for a wide range of applications, including but not limited to:
* Portable Power Tools & DIY Equipment
* Electric Bicycles E-bikes and E-Scooters
* Drones UAVs and RC Hobbyist Models
* Outdoor & Camping Gear LED Lights, Fans
* Medical Devices and Inspection Equipment
* Robotics and DIY Electronics Projects
* Emergency Backup Power Systems
* Portable Power Tools & DIY Equipment
* Electric Bicycles E-bikes and E-Scooters
* Drones UAVs and RC Hobbyist Models
* Outdoor & Camping Gear LED Lights, Fans
* Medical Devices and Inspection Equipment
* Robotics and DIY Electronics Projects
* Emergency Backup Power Systems
Product Presentation
-
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
Q1: Can you customize voltage or capacity?
A1: Yes, we support full customization 1S–16S, 1P–10P according to your product needs.
Q2: Do you include a BMS board?
A2: Optional. You can choose with or without BMS protection based on application.
Q3: Is it suitable for medical product use?
A3: It can be used as auxiliary or standby power for non-life-support medical or monitoring equipment.
Q4: Can I get samples for testing?
A4: Yes, sample orders are welcome before bulk production.
Q5: What certifications do you offer?
A5: CE, RoHS, UN38.3, MSDS — depending on your region and requirements.
A1: Yes, we support full customization 1S–16S, 1P–10P according to your product needs.
Q2: Do you include a BMS board?
A2: Optional. You can choose with or without BMS protection based on application.
Q3: Is it suitable for medical product use?
A3: It can be used as auxiliary or standby power for non-life-support medical or monitoring equipment.
Q4: Can I get samples for testing?
A4: Yes, sample orders are welcome before bulk production.
Q5: What certifications do you offer?
A5: CE, RoHS, UN38.3, MSDS — depending on your region and requirements.
Why Choose Us ?we give you 10 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
Professional sales team

Contact us :
Morley | Sales Manager
Guangdong Xinmengxing Technology Co., Ltd
Factory address:6th Floor, No. 18, Yucai Road, Jinju Village, Dalingshan Town, Dongguan City, Guangdong Province
Mobile phone/wechat/what’s app 18027537750
Email:sales@xmxbattery.com
Website:http:www.xmxbattery.com
Guangdong Xinmengxing Technology Co., Ltd
Factory address:6th Floor, No. 18, Yucai Road, Jinju Village, Dalingshan Town, Dongguan City, Guangdong Province
Mobile phone/wechat/what’s app 18027537750
Email:sales@xmxbattery.com
Website:http:www.xmxbattery.com











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