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Deep Cycle Lithium Battery 12v 50ah For Storage Energy / Car / Solar Light
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Brand Name:Topband
Model Number:TB1250F-S110A
Certification:CE, UN38.3
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
Deep Cycle Lithium Battery 12v 50ah For Storage Energy / Car /
Solar Light
1. 12V 50Ah deap cycle lithium batteries advantage
- Environmental friendly
- High density of energy
- Low self-discharge
- Low internal resistance
- Long cycle life of more than 2000 times
- No memory effect
2. Specification
| NO. | Items | Criteria | Testing method | ||
| 1 | Rated Capacity | 50Ah | Rest for 1 hour after fully charged, then discharge with 0.33C current until the battery reaches the discharge cutoff voltage. Repeat above process for three times, if the discharge time is not less than 120 minutes, you can stop and define the Discharging current*time value (Ah) as battery capacity. | ||
| 2 | Minimum Capacity | 50Ah | |||
| 3 | Internal resistance | ≤40mΩ | 50% battery SOC state frequency of 1 KHZ ac resistance tester | ||
| Short circuit protection | Yes | Connect the positive and negative of this battery pack through a lead with the resistance less than 5mΩ. | |||
| 5 | Cycle life | ≥2000cycle | Discharge with the current of 0.33C until it can’t discharge, and then rest it for 1h. Charge the battery following CC(0.33C)/CV(14.6V) mode to full capacity, and then rest it for 1h. Repeat above process until full charged capacity is no more than 80% of normal value. Accumulated times is defined as cycle life. | ||
| 6 | Discharge Temperature | -20℃ | ≥70% | At 25±5℃ discharge the battery with the current of 0.33C to the cut-off voltage and record charge capacity. Store the battery at various temperatures for 2h and discharge the battery with 0.33C to the cut-off voltage. | |
| -0℃ | ≥80% | ||||
| 25℃ | ≥100% | ||||
| 55℃ | ≥95% | ||||
| 7 | Charge Retention ability | Residual | Charge the battery to full capacity and store it for 28days, and then discharge it with 0.33C to the cut-off voltage. | ||
| Recovery capacity≥90% | |||||
3. Protective circuit specification
| NO. | Items | Content | Specification |
| 1 | Over charge | Over-charge protection for each cell | 3.80±0.03V |
| Over-charge release for each cell | 3.60±0.05V | ||
| Over-charge release method | Under the release voltage | ||
| 2 | Over discharge | Over-discharge protection for each cell | 2.00±0.05V |
| Over-discharge release for each cell | 2.30±0.05V | ||
| Over-discharge release method | Charging recovery | ||
| 3 | Over current | Discharge over current protection | 170~220A |
| Protection delay time | 10~40ms | ||
| Over current release method | Release after cutoff the load. | ||
| 4 | Short | Yes. | Remove after the short circuit automatic recovery |
| 5 | Battery temperature | Charge over temperature | Protection @65±5℃ |
| Release @50±5℃ | |||
| Discharge over temperature | Protection @65±5℃ | ||
| Release @50±5℃ |
4. Dimension drawing
5. Battery operation instruction
- Charging current: Do not surpass the largest charging current that specification stipulated
- Charging voltage: Do not surpass the highest limited voltage that specification stipulated
- Charging temperature: within temperature scope that specification stipulated
- Charge with constant current, then with the constant voltage, no reverse charge, which is dangerous
- Special note: Short time doesn't affect the use of the battery overcharge too, but for a long period of time overdischarge or over charge can affect the function of the battery failure, or the battery can't use permanent, appear serious safety hazards, need long time floating please use the recommended floating model specification.Battery when not in use for a long time, because of its own self-discharge characteristics can also cause discharge, to prevent the occurrence of a discharge, battery should maintain a certain capacity, maintain the voltage at 50% state of SOC.
6. Application
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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