40140 LiFePO4 Battery Pack 12.8V 20AH Lithium Iron Phosphate Rechargeable Battery, 4S1P Configuration, 256Wh for Solar System

$64.00

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SKU: 1601639118656 分类:
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  • compatible brand : oem
  • rechargeable : RECHARGABLE
  • Type : Li-Ion, Rechargeable Batteries, Battery Pack, Standard Battery, Storage Batteries, Rechargeable Batteries
  • use : portable Power
  • model number : LFP40135 4S1P
  • brand name : xmx
  • place of origin : Guangdong, China
  • battery type : Lithium Battery Rechargeable
  • color : blue
  • nominal voltage : 12.8V, 20000mah
  • Model Number : LFP40135 4S1P
  • Product Name : Lifepo battery pack
  • Rechargeable : Rechareable Battery
  • Capacity : 20000mah
  • Brand Name : XMX or OEM
  • Voltage : 12.8V
Item
Speficiation
Model No.
XMX-LFP-40135-4S1P-12.8V20Ah
Cell Type
40135 LiFePO₄ Cylindrical Cells
Nominal Voltage
12.8V
Nominal Capacity
20Ah
Energy
256Wh
Configuration
4S1P
Charge Voltage
14.6V
Discharge Cut-off Voltage
10.0V
Continuous Discharge Current
20A customizable 10–40A
Cycle Life
≥2000 cycles @ 80% DOD
BMS Protection
Overcharge, Overdischarge, Overcurrent, Short Circuit, Temperature
Case Material
ABS / Aluminum
Connector Type
Anderson / XT60 / DC / Customized
Charging Temperature
0°C – 45°C
Discharging Temperature
-20°C – 60°C
Storage Temperature
0°C – 40°C
Certifications
UN38.3, CE, MSDS, RoHS
OEM/ODM
Available
Product Description
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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
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The 12.8V 20Ah LiFePO₄ Battery Pack 4S1P uses premium 40135 cylindrical LiFePO₄ cells to deliver long-lasting, safe, and stable
power.
It is an ideal replacement for lead-acid batteries in solar systems, UPS, LED lighting, portable power stations, and outdoor
devices.

Compared with traditional lithium-ion batteries, LiFePO₄ cells feature better safety, longer lifespan, and wider working
temperature range.
This pack integrates a smart BMS for comprehensive protection and can be customized with different connectors, cases, and
communication options CAN / RS485.
Each battery undergoes strict quality testing and includes UN38.3 / MSDS / CE / RoHS certifications for international shipping.


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 :

* Solar Energy Storage: Ideal for off-grid solar power systems, ensuring reliable energy storage for residential or industrial use.
* Electric Vehicles : Perfect for powering electric vehicles such as e-bikes, electric scooters, golf carts, and other electric transportation systems
* Uninterruptible Power Supply UPS: Provides backup power for critical loads such as servers, home electronics, and medical
devices during power outages
* RVs & Marine: Great for use in RVs, campers, boats, and other off-grid applications, providing power for lights, appliances,and electronics.
* Off-Grid Power Solutions: Provides reliable, long-lasting power in areas without access to the electrical grid, ideal for
remote locations, cabins, or emergency power supply.


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The LFP 40135 4S1P 12.8V 20Ah Battery Pack is a high-performance LiFePO4 Lithium Iron Phosphate battery designed for various
energy storage applications. With a nominal voltage of 12.8V and a capacity of 20Ah, this battery is ideal for use in solar energy
storage systems, electric vehicles EVs, uninterruptible power supplies UPS, and off-grid power solutions.
Built with LiFePO4 technology, this battery offers superior safety, long cycle life, and thermal stability, making it a reliable
choice for both commercial and residential applications. The 4S1P configuration 4 cells in series, 1 in parallel ensures optimal
performance, while its compact design and high capacity allow it to meet the demanding needs of renewable energy systems, electric
transportation, and backup power.
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 battery solution for your selection 
The 12.8V 20Ah LiFePO₄ Battery Pack 4S1P uses premium 40135 cylindrical LiFePO₄ cells to deliver long-lasting, safe, and stable
power.
It is an ideal replacement for lead-acid batteries in solar systems, UPS, LED lighting, portable power stations, and outdoor
devices.
Compared with traditional lithium-ion batteries, LiFePO₄ cells feature better safety, longer lifespan, and wider working
temperature range.
This pack integrates a smart BMS for comprehensive protection and can be customized with different connectors, cases, and
communication options CAN / RS485.
Each battery undergoes strict quality testing and includes UN38.3 / MSDS / CE / RoHS certifications for international shipping.



Product Presentation

  • shipment package 

尺寸介绍货尺寸图片

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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.
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Packing&Shipping
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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



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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

40135 4S1P

nominal capacity

20000MAH

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