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Lithium Iron Phosphate Battery
| Item No.: | JBJPBA-460120 |
This specification describes the structure, performance, testing method, warning and caution of the Lithium Iron Phosphate battery.
2. Structure Design
2.1 Model:460V 120Ah
2.2 Dimension of Battery Pack (with Cabinet)
2.2.1 Module size : W*D*H 450 x 930 x 215mm*12
2.2.2 Cabinet size : W*D*H 600 x 1000 x 2060mm *2
2.3 Cell: 12v 160Ah pack
2.4 Module:
2.6 Each 12V 160Ah battery module*3S
2.7 Assembly style：The battery pack consists of 12 overall box 12V 160Ah * 3S battery case series
Explanation：Make sure the battery wire in series meets the requirement of current flow. Battery output pole (discharge / charge) using> 100mm2 wire, pole connecting lines designed to meet the required flow capacity of the battery pack work properly
3. Basic Performance(Battery Pack)
| NO. | Item | Specification | Remark |
| 1 | Nominal Capacity | 120AH (Min:115AH) | Standard Charging, 0.2C CC(constant current) discharge to 360V cut off, at 23±3℃ |
| 2 | Nominal Voltage | 460V | Standard Output Nominal Voltage |
| 3 | Standard Charging Current | 30A(0.25C) | 0 ℃ ~45 ℃ 30A(0.25C) CC(constant current) charge to 504V,then CV(constant voltage 525V) charge till charge current≤0.01C |
| 4 | Charge End Voltage | 525V | Best for 30A(0.25C) CC/CV 525V, 0.01C cut off. |
| 5 | Standard Discharging Current | 120A(1C) | 120A(1C) CC(constant current) discharge to 360V |
| 6 | Max. Discharging Current | 930A | 335KW CP(constant power) up to 930A discharge for 2seckeeps 1000A for 10s |
| 7 | Temperature while charging | 1000A(20C) | During battery charging process, battery and ambient temperature does not exceed 45℃ |
| 8 | Temperature while discharging | 0℃~45℃ | The specified temperature range, the battery work normally within the framework of capacity loss in the error |
| 9 | Module Weight | -20℃~65℃ | Include wires |
| 10 | Battery Cabinet Weight (with module ) | <20Kg | Include wires and packaging material |
| 11 | module Impedance | ≤50mΩ | AC Impedance |
4. Pack Performance Data
4.1 Battery Pack Performance
| NO. | Item | Criterion | Test Method | |
| 1 | C-rate characteristics | 0.2C | 100% | Test Temperature:23±3°C Charge:0.2C,CC/CV,525V, current≤0.01C cut-off Discharge:2C CC,360V cut off |
| 2C | ≥95% | |||
| 2 | Temperature Dependence of Capacity | 60℃ | ≥95% | Charge:0.2C,CC/CV,525V, current≤0.01C cut-off, at 23±3°C Discharge: At setting temperature 0.2C,CC,360V cut-off (Interval for temperature change is 2 hours) |
| 45℃ | ≥95% | |||
| 23℃ | 100% | |||
| 0℃ | ≥65% | |||
| -10℃ | ≥50% | |||
| 3 | Cycle Life Characteristics | 1500~200 cycles | Charge:0.2C(24A) CC/CV,525V,current≤0.01C cut-off Discharge:0.5C CC 360V cut-off When the discharge capacity reduced to 70% of initial capacity, Stop testing. | |
| 4 | Storage Characteristics (Recovery Capacity) | 23℃ | ≥95% | On a storage, Cell state is 60% ~ 75% charge |
| 45℃ | ≥90% | |||
| 60℃ | ≥90% | |||
| NO. | Item | Criterion | Test Method |
| 1 | Constant temperature and Constant humidity test | No explosion, no fire, no leakage. Discharging capacity is not less than 60% initial capacity | After Standard Charging, test condition: Temperature: 40±5°C Relative Humidity:90~95RH Storage Tine:48Hours Then return to room temperature for 2 hours, Then 1C discharge to ending voltage |
| 2 | Vibration Test | No explosion, no fire, no leakage | After standard charging, fixed the cell to vibration table, then subjected to vibration test for 30 minutes per axis of XYZ axes Frequency rate:1oct/min Vibration frequency:10Hz-30Hz Excursion(single amplitude):0.38mm Vibration frequency:30Hz-55Hz Excursion(single amplitude):0.19mm |
| 3 | Low-pressure | No explosion, no fire, no leakage | 23±3°C .Stalled in really empty, gradually reduce the internal pressure ≤ 11.6 kPa (simulated altitude 15240m) and maintain 6 hours. |
| 4 | Drop Test | No explosion, no fire, no leakage | Drop the battery in the shipment condition from 1m height onto 5cm thicker concrete with p-tile on it 3 times each of X,Y and Z directions at 23±3°C. |
4.3 Safety Performance
| NO. | Item | Criterion | Test Method |
| 1 | Overcharge Test | No explosion, no fire | 3C,CC/CV,10V at 23±3°C;When the capacity reach 2.5C or time reach 60 minutes, end test. |
| 2 | Over discharge Test | No explosion, no fire | After discharged to the cut-off voltage. The battery shall be subjected to a short-circuit condition with a load of resistance less than 30Ω for 24 hour. |
| 3 | Heating Test | No explosion, no fire | A battery is to be heated in a gravity in a gravity convection or circulating air oven. The temperature of the oven is to be raised at a rate of 5±2°C/min to a temperature of 130±2°C at which temperature the oven is to remain for 30 minutes before the test is discontinued. |
| 4 | High Temp Test | No explosion, no fire,Recovery Capacity ≥ 80 | After standard charge , leaving the battery at 85°C for 4 hours. |
| 5 | Short-circuit Test | No explosion, no fire | After standard charge, the battery shall be subjected to a short-circuit condition with a wire of resistance less than 100mΩ for 1 hour. |
5. PCM Specification
5.1 Electrical Characteristics(Normal temperature, Relative humidity ≤ 90%)
| No | Item | Test standard value |
| 1 | Over charge Protection voltage | 3.90±0.025V/Monomeric |
| 2 | Over discharge Protection voltage | 360V |
| 3 | Over current Protection current | 1000A |
| 4 | Over temperature protection | 75℃ |
| 5 | Over temperature protection shut down emergency switch | 75℃ |
5.2 Communication Interface: CAN BUS 2.0B, through the software can monitor the battery status
| Item | Requirement | |
| Storage temperature | Short period less than 1 month | -10°C ~ +45°C |
| Long period less than 6 month | -10°C ~ +35°C | |
| Humidity | <75 RH | |
| Charged | About 50~75 charged state | |
7. Period of Warranty
The period of warranty is Three year from the date of shipment. Tron-e guarantees to give a replacement in case of cells with defects proven due to manufacturing process instead of the customer abuse and misuse.