Shenzhen Topband Battery Co., Ltd
A professional manufacturer of LiFePO4 battery / lithium iron phosphate, dedicated to designing, researching, manufacturing, and exporting LiFePO4 batteries( cell & pack & energy storage system) to
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* It is strictly prohibited any series between the battery packs. Any requirements on serials connection,please contact TOPBAND for details.
*This pack supports max. 4groups in parallel connection. If user needs to parallel several battery packs, please make sure the voltage difference is within 0.2V (fully charging each battery first is recommended), and handle by professionals only. If user needs more groups for parallel connection, please reconfirm details with us.
1. General Information
This specification defines the performance of rechargeable LiFePO4 battery pack TB-BL24100F-S110A manufactured by SHENZHEN TOPBAND BATTERY CO.,LTD, describes the type, performance, technical characteristics, warning and caution of the battery pack.
2. Specification
| NO | Items | Characteristics | |
| 2.1 | Normal capacity | 100Ah | |
| 2.2 | Nominal energy | 2.56KWh | |
| 2.3 | Nominal voltage | 25.6V (LFP-4S) | |
| 2.4 | Internal resistance | ≤30mΩ @1kHz AC | |
| 2.5 | Series application | Max. 8groups in series | |
| 2.6 | Normal charge voltage | 29.2±0.2V | |
| 2.7 | Float charge voltage(for Standby use) | 27.6±0.2V | |
| 2.8 | Allowed MAX charge current | 100A | |
| 2.9 | Recommended charge current | ≤60A | |
| 2.10 | Allowed MAX discharge current | 100A 30min | |
| 2.11 | Pulse discharge current | Withstand the 400A/3s | |
| 2.12 | End of discharge voltage | 18.4~22.4V | |
| 2.13 | Dimension | Length: 483.5±2mm | |
| Width: 170±2mm | |||
| Height: 241±2mm | |||
| 2.14 | Weight (No accessories) | 24.8±0.5Kg | |
| 2.15 | Operation temperature | Charge | 0～45℃ |
| Discharge | -20～60℃ | ||
|
2.16
| Self-discharge rate | Residual capacity | ≤3%/Month; ≤15%/ year |
| Recover capacity | ≤1.5%/Month; ≤8%/ year | ||
| 2.17 | Storage environment | ≤1month | -20～+60℃,5～75%RH |
| ≥3month | -10～+45℃,5～75%RH | ||
| Recommend environment | 15～35℃,5～75%RH | ||
3.Electrical Characteristics & Test Condition
Testing Conditions: Ambient Temperature: 25±5℃; Huminity:45%~75%
Normal charge:Charge battery under CC(0.33C)/CV( 29.2V) 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 | 100Ah | After Normal charge, discharge @0.33C current to the end of discharge voltage. | |
| 3.2 | Internal Impedance | ≤30mΩ | @50% SOC @1kHz AC internal resistance test instrument. | |
| 3.3 | Short circuit protection | Auto cutoff load when short circuit | Connect the positive and negative of this battery pack through a lead with 0.1Ω resistance. | |
| 3.4 | 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. | |
| 3.5 | Discharge temperature characteristic@0.33C | -20℃(6h) | ≥70% | Ratio of Capacity @specified temperature /Capacity @ 25℃ accord with Criterion
|
| 0℃(6h) | ≥80% | |||
| 25℃(4h) | ≥100% | |||
| 55℃(4h) | ≥95% | |||
| 3.6 | Capacity retention rate | remain capacity ≥96% | After normal charge, store the battery @25±5℃ for 28days, then discharge capacity @0.33C,the retention capacity accord with criterion. | |
4.1 Transport & Store
The battery need to be charged every 6 months if out of use
No fall down, no pile up over 6 layers, and keep face up.
4.2 Warning & Tips.
Please read and follow the handling instructions before use. 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 handling instructions.
Warning
* Battery must be far away from heat source, high voltage, and no exposed in sunshine for long time.
* Never throw the battery into water or fire;
* Never reverse two electrodes when use the battery;
* Never connect the positive and negative of battery with metal;
* Never knock, throw or trample the battery;
* Never disassemble the battery without manufacturer's permission and guidance.
Never use mixed with other type of battery;
Tips
* 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 (≤15day).
* Please use the matched or suggested charger for this battery.
* If battery emit peculiar smell, heating, distortion or appear any abnormity, please stop using.
* 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.
5. Dimensional Drawing
