
1. General Information
This specification defines the performance of rechargeable LiFePO4 battery pack TB12300F- S103A manufactured by Shenzhen Topband Battery Co., Ltd, describes the type, performance, technical characteristics, warning and caution of the battery pack.
2. Specification
NO | Items | Description |
Normal Specification | ||
1 | Nominal Voltage | 12.8V |
2 | Normal Capacity | 300Ah 200Ah 150Ah |
3 | Internal Resistance | ≤20mΩ |
4 | Series-Parallel application | Not allowed |
5 | Communication function | / |
Standard Charge | ||
6 | Charge operation temperature range | 0~45℃ |
7 | Normal charge voltage | 14.6±0.1V |
8 | Recommended float charge voltage(for Standby use) | 13.8±0.1V |
9 | Allowed MAX constant charge current | 80A@Battery initial Temp 25±5℃ |
10 | Recommended charge current | ≤80A |
Standard Discharge | ||
11 | Discharge operation temperature range | -20~60℃ |
12 | Output Voltage Range | 8.0~14.6V |
13 | Allowed MAX constant discharge current | 80A @Battery initial Temp 25±5℃ |
14 | Discharge peak current | 100A/30min,350A/3s |
15 | Discharge end voltage | 8.0V |
NO | Items | Description | |
Mechanical Characteristics | |||
16 | Dimension | Length 520±3mm | |
Width 269±3mm | |||
Height 221±3mm | |||
17 | Weight | Approx. 37.7Kg | |
Storage | |||
18 | Storage Temperature & Humidity Range | Short: within one month | -20~35℃, 45~75%RH |
Long term: above one month | -10~30℃, 45~75%RH | ||
19 | Self-discharge rate | Residual capacity | ≤3% per month; ≤15% per year |
Reversible capacity | ≤1.5%per month; ≤8% per year |
3. Electrical Characteristics & Test Condition (based on 300Ah battery)
Testing Conditions: Ambient Temperature: 25±5℃; Huminity:45%~75%.
NO | Items | Criterion | Condition | |
1 | Min Capacity | ≥291Ah | Rest for 1 hour after fully charged, then discharge with 0.33C current until the battery reaches the cutoff voltage. you can stop and define the Discharging current*time value (Ah) as battery capacity. | |
2 | Cycle life (DOD%100) | ≥2000cycle | Charge / CC(0.33C)/CV(14.6V); End current : 0.05C; Rest time : 1h; Discharge / CC(0.5C); End voltage : 8.0V; Repeat above process until discharge capacity is no more than 80% of normal value. Accumulated times is defined as cycle life. | |
3 | Discharge Temperature Characteristics | -20℃ | ≥70% | At 25±5℃ discharge the battery with the current of 0.33C to the cut-off voltage. Store the battery at various temperatures for 2h and discharge the battery with 0.33C to the cut-off voltage. Record the ratio between discharging & charging capacity. |
0℃ | ≥80% | |||
25℃ | 100% | |||
55℃ | ≥95% | |||
4 | Charge Retention ability | remain capacity≥90% | Charge the battery to full capacity and store it for 28days, and then discharge it with 0.33C to the cut-off voltage. |
4. Circuit Protection(based on 300Ah battery)
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.
Test item | Content | Criterion |
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 | |
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 | |
Over current | Discharge over current protection | 350~550A |
Protection delay time | 10~40ms | |
Over current release method | Release after cutoff the load. | |
Over Temperature | Battery over temperature | Protection @65±5℃ |
Release @50±5℃ | ||
Over Temperature | Battery lower temperature | Protection @100±5℃ |
Release @70±15℃ |
5. Dimensional Drawing
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.
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.