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Safety 24V 40Ah Medical Equipment Battery Backup Nano LiFePO4 Material
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Brand Name:Topband
Model Number:TB1240F-S110A_00
Certification:MSDS, ISO9001, ISO14001
Supply Ability:450Mwh/year
Delivery Time:2~4weeks for samples; 4~6weeks for mass production
Price:Negotiable
Payment Terms:L/C, T/T
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
Quality Safety Medical Equipment Batteries 24V 40Ah LiFePO4 , Lithium Iron Phosphate
- long life cycle( 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)
- 1/3 weight & 1/2 volume of lead acid battery
- eco-friendly
- high consistency
- no memory effect
- easily replace lead acid battery
1. General Information
This specification defines the performance of rechargeable LiFePO4 battery pack TB1240F-S110A_00
manufactured by Shenzhen Topband Battery Co., Ltd, describes the type, performance, technical characteristics, warning and caution of the battery pack.
2. Specification(@Battery initial Temp25±5℃)
| NO. | Items | Criteria | Remarks |
| 2.1 | Rated Capacity | 40Ah | |
| Minimum Capacity | 38Ah | ||
| 2.2 | Energy | 0.512KWh | |
| 2.3 | Nominal Voltage | 12.8V | |
| 2.4 | Outgoing Voltage | ≥12.8V | |
| 2.5 | Internal resistance | ≤40mΩ | |
| 2.6 | Limited charge voltage | 14.6±0.1V | |
| 2.7 | Floating charge voltage | 13.8±0.2V | |
| 2.8 | Standard charge current | 20A | |
| 2.9 | Maximum charge current | 40A | |
| 2.10 | Standard discharge current | 20A | |
| 2.11 | Maximum discharge current | 50A | |
| 2.12 | Peak discharge current | 170A/Continuous for 3 s | |
| 2.13 | Discharge cut-off voltage | 8.0V(2.0V For each cell) | |
2.14 | Dimension | Length: 196±2mm | |
| Width: 165.5±2mm | |||
| Height: 170±2mm | |||
| 2.15 | Weight | 6.5±0.5kg | |
2.16 | Operating Temperature | Charging:0～45℃ | |
| Discharging:-20～60℃ | |||
| Recommended operating temperature:15℃～35℃ | |||
| 2.17 | Self-discharge rate | Residual capacity:≤3%/month;≤15%/years | |
| Reversible capacity:≤1.5%/month;≤8%/years | |||
| 2.18 | Storage Temperature & Humidity Range | Less than 1 month:-20℃～35℃,45%RH～75％RH | |
| Less than 3 months:-10℃～35℃,45%RH～75％RH | |||
Recommended storage environment: 15℃～35℃,45%RH～75％RH | |||
Long time storage: If the battery need be stored for a long time, the voltage should be 13.2V(50%SOC), and stored in the condition as storage proposal. It need at least one charge & discharge cycle every six months | |||
3. Test Conditions
3.1 Standard Test Conditions
3.1.1 Unless otherwise specified, all performance tests is required conducted at temperature 25℃±2℃, Humidity less than 45%~75%RH.
3.1.3 Unless otherwise specified, the tested product is required unused within two month after outgoing.
3.2 Standard Charge Mode
"Standard Charge" means at 25±2℃ charge to limit voltage with 0.33C constant current, then charge with constant voltage until current less than 0.02ItA.
3.3 Quick Charge Mode
" Quick Charge" means at 25±2℃ charge to limit voltage with 0.5 C constant current, then charge with constant voltage until current less than 0.02ItA.
3.4 Standard Discharge Mode
"Standard Discharge" means at 25±2℃ discharge to the cut-off voltage with 0.33C current.
3.5 Quick Discharge Mode
"Quick Discharge" means discharge to the cut-off voltage with 0.5C current.
4. Product Performance
| NO. | Items | Criteria | Testing method | |
| 4.1 | Rated Capacity | 40Ah | 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. | |
| 4.2 | Minimum Capacity | 38Ah | ||
| 4.3 | Internal resistance | ≤40mΩ | 50% battery SOC state frequency of 1 KHZ ac resistance tester | |
| 4.5 | Cycle life (DOD100%) | ≥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. | |
| 4.6 | Discharge Temperature Characteristics | -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% | |||
| 4.7 | Charge Retention ability | Residual capacity≥80% | 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% | ||||
5. Protective circuit specification
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. | Items | Content | Specification |
| 5.1 | 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 | ||
| 5.2 | Over discharge | Over-discharge protection for each cell | 2.0±0.08V |
| Over-discharge release for each cell | 2.3±0.1V | ||
| Over-discharge release method | Charging recovery | ||
| 5.3 | Over current | Discharge over current protection | 195A±25A |
| Protection delay time | 0.5±1.5s | ||
| Over current release method | Release after cutoff the load. | ||
| 5.4 | Short | NO. | Ban electrode short circuit |
| 5.5 | Battery temperature | Charge over temperature | Protection @65±5℃ |
| Release @50±10℃ | |||
| Discharge over temperature | Protection @65±5℃ | ||
| Release @50±10℃ | |||
Charge over temperature protection MOS | Protection @100±5℃ | ||
| Release @70±15℃ | |||
Discharge over temperature Protection MOS | Protection @100±5℃ | ||
| Release @70±15℃ | |||
| 5.6 | Static power | Since the power consumption≤3mA;After discharge protection≤150uA | |
6. Dimensional Drawing
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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