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LiFePO4 Telecom Battery Long Life Deep Cycle 48V 40Ah Capacity 3U Rack With RS485
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Brand Name:Topband/OEM/ODM
Model Number:TB4840F-T110D
Certification:MSDS, UN38.3
Price:Negotiable
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
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
LiFePO4 Telecom Long Life Deep Cycle Battery 48V 40Ah 3U Rack With RS485
About us
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
- Replacement lead-acid battery ( AGM battery / deep cycle battery / gel battery )
- RV, Solar Energy Storage ect.
- High energy density
- About 1/3 the weight of lead-acid batteries.
- Environment friendly, no toxic
- No memory effect, 2,000 times cycle-life (100% DOD)
- Safe and reliable, no explosion when piercing, no fire when over voltage
- Low self discharge
- High power, maximize discharge current up to 5C
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.
- The battery must be far away from hot source, high voltage, and avoid to be exposed in sunshine for long time.
- Never throw the battery into water.
- Do not put the battery in a charger or equipment with wrong terminals connected.
- Never connect the positive and negative of battery with metal.
- Avoid excessive physical shock or vibration. don't hit, fall, stamp on the battery
- Without the permission of the manufacturer and guidance, forbidden to remove or to assemble the battery
- Do not use the battery mixed with other different manufacturer, type, or model batteries.
- Keep the battery against high temperature. Otherwise it will cause battery heat, get into fire or lose some function and reduce the life.
- When battery run out of power, please charge your battery timely (≤15 days).
- Please use the matched or suggested charger for this battery.
- If battery emit peculiar smell, heating, distortion or appear any abnormity during working or storage, please stop using and take it out from device.
- If the battery leaks and get into the eyes or skin, do not wipe, instead, rinse it with clean water and see doctor immediately.
- Please far away from children or pets.
- Do not put disuse battery into a fire or water.
- It is strictly prohibited any series between the battery packs. Any requirements on serials connection, please contact TOPBAND for details.
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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