Shenzhen Topband Battery Co., Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 450 Mwh / Year |
| Delivery Time | 2~3 weeks for sample, 4~6 weeks for bulk order after payment |
| Packaging Details | standard export carton |
| Name | LiFePO4 Telecom Long Life Deep Cycle Battery 48V 40Ah 3U Rack With RS485 |
| Capacity | 48V 40AH |
| Battery | LiFePO4 |
| Dimension | 482*130*445mm (±2mm) |
| Weight | 27KG (59.5Ib) |
| Feature | Supply power for telecom communication base centre |
| Internal Impedance | ≤50mΩ |
| Charge/Discharge Current | 50A |
| Brand Name | Topband/OEM/ODM |
| Model Number | TB4840F-T110D |
| Certification | MSDS, UN38.3 |
| Place of Origin | Guangdong, China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 450 Mwh / Year |
| Delivery Time | 2~3 weeks for sample, 4~6 weeks for bulk order after payment | Packaging Details | standard export carton |
| Name | LiFePO4 Telecom Long Life Deep Cycle Battery 48V 40Ah 3U Rack With RS485 | Capacity | 48V 40AH |
| Battery | LiFePO4 | Dimension | 482*130*445mm (±2mm) |
| Weight | 27KG (59.5Ib) | Feature | Supply power for telecom communication base centre |
| Internal Impedance | ≤50mΩ | Charge/Discharge Current | 50A |
| Brand Name | Topband/OEM/ODM | Model Number | TB4840F-T110D |
| Certification | MSDS, UN38.3 | Place of Origin | Guangdong, China |
| High Light | 48v deep cycle battery ，lithium ion battery for telecom application | ||
Shenzhen Topband Battery Co., Ltd. is an expert manufacturing LiFePO4 battery, who founded in 1996 and listed in Shenzhen of China in 2007. There are over 600 R & D engineers and about 6,000 experienced workers, occupies 100,000 square meters Topband industrial park. We can provide One-Stop Solution of renewable energy, from cell, BMS/PCM to battery pack assembling.
Our culture is respect and agree with the difference culture and habit from all over the world, make customer success, developing with our customers, continue to self-improvement, commitment to excellence.
Our mission is creating valuable products to win the market for customers, our vision is to a respected intelligent Eco-friendly energy provider.
1. General Information
This specification defines the performance of LiFePO4 Telecom Long Life Deep Cycle Battery 48V 40Ah 3U Rack With RS485 TB4840F-T110D manufactured by TOPBAND, describes the type, performance, technical characteristics, warning and caution of the battery pack.
2. Battery Specification(@ 25±5℃ (68℉~86℉)
| NO | Items | Characteristics | |
| 2.1 | Normal capacity | 40Ah | |
| 2.2 | Nominal energy | 2.048KWh | |
| 2.3 | Nominal voltage | 51.2V (LFP-16S) | |
| 2.4 | Internal resistance | ≤50mΩ @1kHz AC | |
| 2.5 | Normal charge voltage | 58.4±0.3V | |
| 2.6 | Float charge voltage(for Standby use) | 55.2±0.3V | |
| 2.7 | Allowed Max. charge current | 50A | |
| 2.8 | Recommend charge current | ≤25A | |
| 2.9 | Allowed Max. discharge current | 50A | |
| 2.10 | Peak discharge current | 170A (3s) | |
| 2.11 | Cut off discharge voltage | 36.8V | |
| 2.12 | Dimension | Length 482.0±2mm | |
| Width 130±2mm | |||
| Depth 445±2mm | |||
| 2.13 | Weight | Approx. 27KG (59.5Ib) | |
| 2.14 | Working temperature | Charge | 0～45℃ (32℉~113℉) |
| Discharge | -20～60℃ (-4℉~140℉) | ||
| 2.15 | Self-discharge rate | Residual capacity | ≤3%/Month; ≤10%/ year |
| Recover capacity | ≤1.5%/Month; ≤8%/ year | ||
| 2.16 | Storage environment | ≤1month | -20～35℃ (-4℉~95℉), 45～75%RH |
| ≥3month | -10～35℃ (14℉~95℉), 45～75%RH | ||
| Recommend environment | 15～30℃ (59℉~86℉), 45～75%RH | ||
| Remark: 1) Based on the character of cell, proper environment for transportation of LiFePO4 battery pack need to be created to protect the battery. 2) Battery should be storaged in the warehouse 15℃～35℃ (59℉~95℉), where dry, clean, shade, and well-ventilated circumstance. 3) The battery should be stored in 50% SOC during transportation. 4) The battery need to be charged every 6 months if out of use 5) Keep the battery against dropping, turning over and serious stacking during loading. | |||
3. Product Performance
Testing Conditions: Ambient Temperature: 25±5℃ (68℉~86℉); Huminity:45%~75%.
Normal charge:Charge battery under CC(0.33C)/CV(58.4V) mode until over charge protection or the charge current reduce to 0.05C, and then rest for 1h.
| NO | Items | Criterion | Condition | |
| 3.1 | Normal Capacity | 40Ah | After Normal charge, discharge @0.33C current to the end of discharge voltage. | |
| 3.2 | Internal Impedance | ≤50mΩ | @50% SOC @1kHz AC internal resistance test instrument. | |
| 3.3 | Cycle life @DOD100% | ≥2000 cycles | After Normal charge,discharge @0.33C current to the end of discharge voltage. Repeat above process until discharge capacity reduce to 80% of initial value. | |
| 3.4 | @0.33C Discharge temperature characteristic@0.33C | -20℃ (-4℉) | ≥70% |
Capacity @specified temperature Capacity @ 25℃ (77℉)
|
| 0℃ (32℉) | ≥80% | |||
| 25℃ (77℉) | ≥100% | |||
| 55℃ (131℉) | ≥95% | |||
| 3.5 | Capacity retention rate | remain capacity ≥96% | After normal charge, store the battery @25±5℃ (68℉~86℉) for 28days, then discharge capacity @0.33C,the retention capacity accord with criterion. | |
Feature
4. Basic Protection
The batteries are supplied with a LiFePO4 Battery Management System (BMS) that can monitor and optimized each single prismatic cell during charge & discharge, to protect the battery pack overcharge, over discharge, short circuit. Overall, the BMS helps to ensure safe and accurate running.
| No | Item | Content | Criterion |
| 4.1 | Over charge | Over-charge warning for each cell | 3.60±0.03V |
| Over-charge protection for each cell | 3.70±0.03V | ||
| Over-charge release for each cell | 3.38±0.05V | ||
| Over-charge release method | Under the release voltage | ||
| 4.2 | Over discharge | Over-discharge warning for each cell | 2.80±0.05V |
| Over-discharge protection each cell | 2.50±0.05V | ||
| Over-discharge release for each cell | 2.90±0.10V | ||
| Over-discharge release method | Charging | ||
| 4.3 | Short circuit | Auto cutoff load when short circuit | Connect the positive and negative of this battery pack through a lead with 0.1Ω resistance. |
| 4.4 | Over current | Charge over current warning | 55±3A |
| Charge over current protection | 60A±3A | ||
| Charge over current release | Discharge or auto release after 1min | ||
| Discharge over current warning | 55±3A | ||
| Discharge over current protection | 60A±3A | ||
| Discharge over current release | Charge or auto release after 1min | ||
| Short circuit protection | Available | ||
| 4.5 | Temperature | Charge over temperature protection | Protect@55±3℃; Release@50±3℃; |
| Charge under temperature protection | Protect@0±3℃; Release@5±3℃ | ||
| Discharge over temperature protection | Protect@65±3℃; Release@60±3℃; | ||
| Discharge under temperature protection | Protect@-20±3℃; Release@-15±3℃; |
5. Other Products
6. Applications
Golf Trolley, Solar Power System, UPS, Telecommunication Base Station, Marine, Energy Storge System, Computer Data Room, Outdoor Portable Power Supply, RV camper / Caravan, Railway System, ect.
7. Warning & Tips
Please read and follow the specification and caution remarks on battery surface before use the battery. Improper use may cause heat, fire, rupture, damage or capacity deterioration of the battery. Shenzhen Topband Battery Co., Ltd. Describes is not responsible for any accidents caused by the usage without following our specification.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1996
Total Annual:
240million-250million
Employee Number:
5000~5500
Ecer Certification：
Active Member
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 ... 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 ...
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