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Long Life Lithium Iron Phosphate Battery Pack 3.2V 12 / 20 / 25 / 27 / 50ah
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Brand Name:Topband
Model Number:TB-027070145C-Fe-20Ah
Certification:CE/UN38.3/MSDS/UL
Price:Negotiable
Payment Terms:L/C, T/T
Supply Ability:450Mwh/year
Delivery Time:2~4weeks for samples; 4~6weeks for mass production
Company Data
Active Member
Contact Person
Jerry Yang
Business Type:
86-755-27651888-3215
Business Type:
Manufacturer Exporter
Officials:
Topband Industry Park,Tangtou Town,Bao'an District,Sheznzhen,China
Quality:
Quality Certifitation Available
Product Details
Company Profile
Product Details
Prismatic Lithium Iron Phosphate Battery Cells 3.2V 12 / 20 / 25 / 27 / 50ah
1. LiFePO4 lithium battery cells
2. LiFePO4 lithium battery advantage
- long life & deep cycle( over 2000cycles @ 100%DOD)
- with built-in PCM/BMS protection
- super quick charge/discharge performance
- safe pressure valve design ( no explosion, no fire)
- high energy density
- low self-discharge( <3% per month,<15% per year)
- 1/3 weight & 1/2 volume of lead acid battery
- eco-friendly
- high consistency
- no memory effect
3. LiFePO4 lithium battery cells 3.2V 20Ah Specification
| Item | Specification | Remark | |
| 2.0 Nominal Capacity | 20Ah | 0.5C discharge capacity | |
| 2.1 Minimum Capacity | 20Ah | ||
| 2.2 Internal Impedance | ≤10.0mΩ | By AC 1KHz | |
| 2.3 Nominal Voltage | 3.20V | ||
| 2.4 Cell Weight | 520±10g | containing package | |
| 2.5 End-of-charge Voltage | 3.65V | At CC mode | |
| 2.6 End-of-charge Current | 0.05C | At CV mode | |
| 2.7 End-of-discharge Voltage | 2.00V | ||
| 2.8 Charge Method | 0.5C CC/CV | 180 minutes | |
| 2.9 Quick Charge Method | 1C CC/CV | 90 minutes | |
| 2.10 Max Continuous Discharge current | 40A | Continuous Discharge Time: 30 minutes | |
| 2.11 Max pulse Discharge Current | 60A | Continuous Discharge Time: 10 seconds | |
| 2.12 Cycle Life | ≥2000 cycles | 1C Continual Discharge: ≥80% | |
2.13 Operating | Charging Temperature | 0～45℃ | Ambient temperature:25℃±5℃ |
| Discharging Temperature | -20～55℃ | Ambient temperature: 25℃±5℃ | |
| Storage Temperature | -20～35℃ | Recommended temperature range for long term storage is –10~ +30° | |
| 2.14 Shelf Life | 2 years | ||
| 2.15 Appearance | Without break, scratch, distortion, contamination, leakage and so on | ||
3. LiFePO4 lithium battery cells 3.2V 20Ah safety test
| Test Item | Test Method | Criteria |
| 3.1 55℃ Short- circuit Test | A oven is to be raised to the temperature of 55℃and remain for 10min. A cell is placed into the oven and remain for 30 min~40 min. Then the cell is short-circuited by connecting the positive and negative terminals with copper wire which having a maximum resistance load of 5mΩ. The temperature of cell surface is monitored constantly, until the cell has reached a completely discharged state of less than 0.2 volt or the cell surface temperature has returned to ±10°C (±18°F) than ambient temperature | 1.No fire, no explosion |
3.2 Overcharge | A cell is discharged to cut-off voltage at a constant current of 0.2C, then it is subjected to CC/CV power by connecting its positive and negative terminal, then set the current as 3C, the voltage as 10V, and charging time is not less than 7 hours. | No fire, no explosion |
| 3.3 Forced-Discharge Test | A cell is discharged to cut-off voltage 0V at a constant current of 1C. | No fire, no explosion, no leakage |
| 3.4 Crush Test | A cell is to be placed on the crush flat, the axis is parallel to the crush flat, it is crushed between two flat surfaces. The crushing force is approximately 13 kN and hold for 1min. | No fire, no explosion |
| 3.5 Impact Test | A cell is to be placed on the impact flat. A Φ15.8mm bar is to be placed on the center of the cell. A 9.1kg weight is dropped from a height of 610mm onto the cell, the distortion is allowed. | No fire, no explosion |
3.6 Heating | A cell is heated in a circulating air oven. The temperature of the oven is raised at a rate of 5℃±2℃ per minute to 130℃±2℃ and remain for 30 min before the test is discontinued. | No fire, no explosion |
4. LiFePO4 lithium battery cells 3.2V 20Ah dimension
5. Our Service
- Fast Delivery, can handle shipping for customer if needed
- Samples are available with charged
- 2 years warranty
- Every battery pack can be customized according to your specific demand. OEM is acceptable.
- Expertist technical support and good after-sales service
6. Certification
Company Profile
Shenzhen Topband Battery Co., Ltd
Shenzhen Topband Co., Ltd. was registered in so-called “China Silicon Valley”, Shenzhen Hi-tech Industrial Park in 1996, and got listed in Shenzhen Stock Exchange ( the stock code as 002139) in 2007.
After years of rapid development, now Topband takes lithium battery as the core technology and has become one of the leading suppliers of lithium battery solutions in China, focusing on nano lithium iron phosphate/ LiFePO4 technology for EV, RV/ caravan, marine, motorcycle, golf cart / trolly, UPS, solar storage, medical, floor scrubber, industrial, commercial use, etc.
Smart Bluetooth & WIFI connection is is our patent
feature, equipped with IOS & Android app to
monitor the instant battery status (SOC, OCV, charge
current, ambient temperature, and errors included).
Topband has more than 5000 staffs, covers an area of 100,000 square meters. And large production plants are mainly located at Shenzhen and Huizhou
Our R&D team of over 300 professionals, in cooperation with Tsinghua Research Institute and Harbin Industrial University have laid a firm foundation of our leading technology.
We have got the certificates of ISO9001, ISO14001, OHSAS18001, TS16949 and UL, CE, CB, UN38.3, TUV, etc.
Topband is a Hi-tech enterprise. Since the company established, with innovation, we have committed ourselves to making people’s lives more comfortable and high-efficient. We and our companions are working hard at making technology progress to let people enjoy the changes of new technology.
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