Heyi Energy Co,.ltd
| Payment Terms | T/T,Western Union,MoneyGram |
| Supply Ability | 100000 Pcs / Monthly |
| Delivery Time | 7 working days |
| Packaging Details | Carton + Pallet |
| Nominal Voltage | 3.2V |
| Capacity | 15000 mAh |
| C rate | 10C Max. |
| Material | LiFePO4(Lithium Iron Phosphate) |
| Shape | Cylindrical |
| Apllication | EV |
| Brand Name | BACK |
| Model Number | 32140 |
| Certification | UN38.3 , MSDS |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T,Western Union,MoneyGram | Supply Ability | 100000 Pcs / Monthly |
| Delivery Time | 7 working days | Packaging Details | Carton + Pallet |
| Nominal Voltage | 3.2V | Capacity | 15000 mAh |
| C rate | 10C Max. | Material | LiFePO4(Lithium Iron Phosphate) |
| Shape | Cylindrical | Apllication | EV |
| Brand Name | BACK | Model Number | 32140 |
| Certification | UN38.3 , MSDS | Place of Origin | CHINA |
| High Light | LiFePO4 battery cell 32140 15ah ，cylindrical LiFePO4 battery 3.2V ，Grade A LiFePO4 battery cell | ||
Brand New Grade A 3.2V 15Ah LiFePO4 32140 Cylindrical Battery Cell – Rechargeable Lithium Battery
Our Brand New Grade A 3.2V 15Ah 32140 LiFePO4 Cylindrical Battery Cells are engineered for high performance and long service life. Made with premium lithium iron phosphate chemistry, these cells offer excellent thermal stability, high energy density, and over 3000 life cycles under proper conditions.
The 32140 cylindrical design provides a compact and efficient form factor, making it ideal for battery packs in solar energy storage systems, e-bikes, scooters, power tools, UPS systems, and other portable power applications.
Each cell is strictly tested for voltage, capacity, and internal resistance to ensure consistency and quality. The Grade A classification guarantees superior reliability, safety, and performance.
Key Features:
100% Brand New Grade A cells, no refurbished or used cells
Production date within the last 3 months, ensuring freshness and performance
Chemistry: LiFePO4 (Lithium Iron Phosphate)
Nominal voltage: 3.2V, Capacity: 20Ah
Long cycle life: over 3000 cycles @ 80% DOD
High energy density, low internal resistance
Excellent safety and thermal stability
Suitable for energy storage systems, EVs, forklifts, and custom lithium packs
Specification :
| Item | Specification | |
| 1 | Chemistry | LiFePo4 |
| 2 | Nominal Capacity | 15Ah |
| 3 | Nominal Voltage | 3.2V |
| 4 | AC-impedance(1000Hz) | 1.0 ~ 3.0mΩ |
| 5 | Weight | 290 g |
| 6 | Dimension (mm) H*W*D | 32X 140 |
| 7 | Maximum Charge Current at Room Temperature | 2 C (Continuous) |
| Charging Voltage | 3.6V | |
| 8 | Maximum Discharge Current at Room Temperature | 1 C (Continuous) 6 C (60s) |
| Discharge End Voltage | 2.0V(>0℃),2.0V(≤0℃) | |
| 9 | Max Operating Temperature Range | |
| Charge | 0℃ ~ 65℃ | |
| Discharge | -35℃ ~ 65℃ | |
| 10 | Optimal Operating Temperature Range | |
| Charge | 0℃ ~ 60℃ | |
| Discharge | -20℃ ~ 60℃ | |
| 11 | Storage Temperature | |
| 1 month | 5℃~ 45℃ | |
| 6 months | 5℃ ~ 35°C | |
| *Cells should be stored at 20%SOC-40%SOC or the voltage is between 3.275V and 3.305V. | ||
Applications :
AWP / Backup Power / Electric Vehicles / Floor Machines / Marine /
Solar System / EV / E-bike / E-Motorcycle / Boat /Golf Cart
HEYI ENERGY is a leading high-tech enterprise specializing in the development and manufacturing of advanced lithium battery technologies. Established in 2014, we focus on lithium iron phosphate (LiFePO4) and lithium-ion (NMC) battery solutions, delivering safe, reliable, and efficient energy storage systems for global markets.
Our state-of-the-art production facilities span over 50,000 square meters, equipped for the large-scale manufacturing of both battery cells and packs. With a workforce of more than 1,500 employees, including over 300 experienced R&D engineers, we continuously drive innovation and quality through technological leadership.
HEYI ENERGY proudly provides OEM and ODM solutions to 100+ global partners, enabling customized energy solutions across a wide range of applications. Our product portfolio includes:
Residential energy storage systems
Commercial and industrial energy storage solutions
Power batteries for various vehicles and industrial machinery
Ultra-low temperature batteries for extreme environments
Our core technical team possesses extensive expertise in battery system design, battery management systems (BMS), operational control, and rigorous cell and module testing. From the initial concept to the final product, we ensure system compatibility, stability, and long-term reliability.
At HEYI ENERGY, our mission is to provide sustainable, cost-effective power solutions that not only meet the evolving needs of our customers but also contribute to a greener, low-carbon future.
HEYI ENERGY – A globally recognized manufacturer of lithium battery and solar energy products.
Q: Do you offer free samples?
A: We don't provide free sample, but the sample cost can return to you when you place bulk orders .
Q: What is your terms of payment?
A: We accepted most of payment terms, like T/T,L/C at sight, PayPal, Western Union, Cash etc.
Q: What is a minimum number (pieces) of order for this product?
A: Our MOQ is 1 piece, the more the quantity, the more preferential it is.
Q: How many time you need for production of one sample?
A: If customized according to customer requirements, production time needs 10-15 working days, if it’s our standardized products most of the time we can supply from stock .
Q: How do you ship the products?
A: For small orders or samples we can arrange door to door air freight delivery , for large quantity we normally arrange container or LCL ocean shipment .
Q: How much does shipping cost?
A:It depends on the quantity of goods, the shipping method, and the country . But we will always figure out the best choice for you .
Q: How can I get the best prices?
A: You get cheaper per-item price when you buy larger quantities. Use the website to check prices. Returning customers receive better discount levels.
Q: What if the product is broken?
A: If any product is faulty, you can send me the picture or video to us, and we will study it. And provide the spare parts for after sale service.
Company Details
Business Type:
Manufacturer
Year Established:
2014
Total Annual:
100000000-1000000000
Employee Number:
500~1000
Ecer Certification：
Verified Supplier
Founded in 2014, HEYI ENERGY is a leading high-tech enterprise focused on the research, development, and manufacturing of advanced lithium battery technologies. We specialize in LiFePO4 and NMC battery solutions, providing safe, efficient, and eco-friendly energy storage products for global markets.... Founded in 2014, HEYI ENERGY is a leading high-tech enterprise focused on the research, development, and manufacturing of advanced lithium battery technologies. We specialize in LiFePO4 and NMC battery solutions, providing safe, efficient, and eco-friendly energy storage products for global markets....
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