Пользовательские высокой мощности емкости 12 В 20AH литий-железо-фосфатная батарея домашняя универсальная для хранения
3 289,46 ₽ - 4 385,94 ₽
Сохранить в закладки 1600918487940:
NO. | Item | Specifications | ||||
1 | Minimum capacity | *Minimum 31.5Ah *Typical 32.3Ah | 0.20C@4.2~2.5V@25±2℃ | |||
2 | ACIR@1KHz | ≤2mΩ | 27%SOC@25±2℃ | |||
3 | Weight | 390±20g | ||||
4 | Charge cut-off voltage | 4.2V | ||||
5 | Discharge cut-off voltage | 2.5V | ||||
6 | Operating voltage rang | 2.50~34.2V | ||||
7 | Nominal voltage | 3.7V | 0.2C@4.2~2.5V@25±2℃ | |||
8 | 0~15℃ | 0.2C(max) to 4.10V | ||||
16~35℃ | 0.50C(max) to 4.20V | |||||
36~45℃ | 0.20C(max) to 4.20V | |||||
Discharge | -20~60℃ | |||||
9 | Standard charge method | 0.2C CC to 4.20V,4.20V CV to 0.05C | ||||
10 | Standard discharge method | 0.2C | ||||
11 | Max charge current | 0.5C(continuous) | ||||
12 | Max discharge current | 1.0C(continuous) | ||||
13 | Storage temperature (58%SOC state) | 12month | -20~25℃@80%RH max | |||
3month | -20~35℃@80%RH max | |||||
1month | -20~45℃@80%RH max |
Grouping standard | ||||||||
Cell assembly standard | Capacity | Voltage | Internal resistance | k value | ||||
*450mAh | *10mV | 0.8mΩ | ≤0.04mV/h |
Item | Test method | Standard | |
1 | Appearance | Visual | No Defects and Leakage |
2 | Dimension | Caliper for dimension | As item 4 |
3 | Weight | Balance | As item 3.3 |
4 | Shipment voltage | Voltmeter | 3.50~3.65V(25%~35%SOC) |
5 | Initial Internal Impedance | Measure the AC impedance at 1kHz | ≤2mΩ ((25%~35%SOC) |
6 | Discharge Capacity | Follow standard discharge after standard charge, at 25±2℃ | *≥31.5Ah5C |
7 | Cycle Life (25±2℃, With splint ,Rest for 30 min between each cycle.) | Charge: 0.2C CC charge to 4.20V, 4.20V CV charge to 0.05C cut-off; Discharge: 0.2C CC discharge to 3.0V | ≥80%Initial capacity @1000 cycles |
8 | Leakage Test | The battery which is fully charged shall be stored at 60±2℃ and 85±5% RH for 7 days. | No Leakage. |
9 | H/L Temp. Characteristic (Hold for 5h@55℃ or 20h@-20℃ after full charging) | Charge: 0.2C CC charge to 4.20V, 4.20V CV charge to 0.05C cut-off at 25±2℃ Discharge: 0.2C CC discharge to 2.2V at -20±2℃; 0.2C CC discharge to 2.75V at 55±2℃. | Discharge capacity rate: *≥70%Initial Capacity -20±2℃ *≥90%Initial Capacity 55±2℃. |
Item | State | Test method | Standard |
External Short | Fully Charged | Battery terminals are short-circuited with a resistance of less than 5mΩ for 10minutes. Observe 1 hour. Tests are to be conducted at room temperature. | NO EXPLOSION AND NO FIRE. |
Over-Discharge | Fully Discharged | 1C CC discharge for 90minutes after standard charge,Observe 1 hour. | NO EXPLOSION NO FIRE AND |
Heating Test | Fully Charged | Put the battery into an oven at RT, and increase the temperature at a rating of 5℃/min to 130±2℃, after the oven temperature reached to 130℃±2℃, maintain for 30 minutes at that temperature before the test is discontinued.,Observe 1 hour. | NO EXPLOSION AND NO FIRE. |
Crush Test | Fully Charged | Crush battery with half cylinder at a speed of (5±1)mm/s. The radius of the half cylinder is 75mm. Stop to crush when voltage reached 0V or deformation amount reached 15% or pressure reached 100kN, Observe 1 hour. | NO EXPLOSION AND NO FIRE. |
Drop Test | Fully Charged | Drop a fully charged battery with positive and negative electrode towards down onto a concrete floor from a height of 1.5 meters, Observe 1 hour | NO EXPLOSION NO FIRE AND NO LEAKAGE |
Overcharge Test | Fully Charged | 1C CC Charge the battery to 1.1 times of the max charge voltage or 115% SOC, Observe 1 hour. | NO EXPLOSION AND NO FIRE. |
Saltwater Immersion | Fully Charged | Immerse the whole battery into NaCl solution of 3.5% for 2hours. | NO EXPLOSION AND NO FIRE. |
Low Pressure Test | Fully Charged | Sample battery are to be stored for 6 hours at an absolute pressure of 11.6 kPa and a room temperature, Observe 1 hour | NO EXPLOSION NO FIRE AND NO LEAKAGE |
Temperature Cycling Test | Fully Charged | Reducing the chamber temperature to -40℃ within 60 minutes and maintaining this temperature for 90 minutes, Raising the chamber temperature to 25 ℃ within 60minutes, Raising the chamber temperature to 85℃ within 90minutes and maintaining this temperature for 110 minutes, Reducing the chamber temperature to 25℃ within 70minutes. Repeating the sequence for a further 4cycles, Observe 1 hour | NO EXPLOSION NO FIRE AND NO LEAKAGE |
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