4s Lipo Battery For Table PC 16000Mah 3,7V Charge And Discharge 0.5C
Base information
| item | data | remark |
| 1 | 16000mah | standard capacity |
| 2 | 15500mah | Min capacity |
| 3 | 3.7v | voltage |
| 4 | 4.2±0.03V | 100% full charge |
| 5 | 0.5c | charge current |
| 6 | 0.5c | dishcharge current |
| 7 | 5 pin molex 51146. | connector |
| 8 | peak current | 2A |
| 9 | continue current | 1.5A |
Other specification for 4s Lipo Battery For Table PC 16000Mah 3,7V Charge And Discharge 0.5C
| Number | Item | General data | Remark |
| 1 | Internal Impedance | ≤80mΩ | The measure must uses the new batteries that within one week after shipment and cycles less than 5 times test by internal resistance measured at AC 1KHZ after 50% charge |
| 2 | Standard charge | Constant Current 0.5C5A Constant Voltage 4.2V 0.01 C5A cut-off | Charge time about 4.0h |
| 3 | Standard discharge | Constant current 0.2 C5A end voltage 3.0V | |
| 4 | Fast charge ( | Constant Current 1C5A Constant Voltage 4.2V 0.01 C5A cut-off | Charge time about 2.5h |
Initial Performance Test For Cell
| Item | Test Method and Condition | Requirements |
| Open-Circuit Voltage | The open-circuit voltage shall be measured within 24 hours after standard charge. | ≥4.08V |
| Internal impedance | Internal resistance measured at AC 1KHz after 50% charge. | ≤80mΩ |
| Minimal Rated Capacity | The capacity on 0.2C5A discharge till the voltage tapered to 3.0V shall be measured after rested for 30min then finish standard charge. | Discharge Capacity ≥4000mAh |
Mechanical characteristics and Safety Test witl UN38.3 Standard
1 / Vibration Test :
After standard charging, fixed the cell to vibration table and subjected to vibration cycling that the frequency is to be varied at the rate of 1Hz per minute between 10Hz an 55Hz, the excursion of the vibration is 1.6mm. The cell shall be vibrated for 30 minutes per axis of XYZ axes.
pass standard: No explosion,No fire
2 / Drop Test
The cell is to be dropped from a height of 1 meter twice onto concrete ground.
pass standard: No explosion,No fire
3 / Crush Test
Fresh,Fully charged
Crush between two flat plates. Applied force is about 13kN(1.72Mpa) for 30min.
pass standard: No explosion,No fire
4 / Short Circuit Test (20±2℃ ).
samples require: Fresh,Fully charged
Each test sample battery, in turn, is to be short-
circuited by connecting the (+) and (-) terminals of the battery with a Cu wire having a maximum resistance load of 0.1Ω.Tests are to be conducted at room temperature(20±2℃ ).
pass standard: No explosion, No fire The Temperature of the surface of the Cells are lower than 150℃
5 / Short Circuit(60±2℃ ) test
samples require: Fresh, Fully charged
Each test sample battery, in turn, is to be short-
circuited by connecting the (+) and (-) terminals of the battery with a Cu wire having a maximum resistance load of 0.1Ω.Tests are to be conducted at temperature(60±2℃ ).
pass standard: No explosion, No fire The Temperature of the surface of the Cells are lower than 150℃
6 / Impact test
samples require: Fresh,Fully charged
A 56mm diameter bar is inlayed into the bottom of a 10kg weight. And the weight is to be dropped from a height of 1m onto a sample battery and then the bar will be across the center of the sample.
pass standard:No explosion, No fire
7 / Forced Discharge test
samples require: Fresh,Fully charged
Discharge at a current of 1 C5A for 2.5h.
pass standard:No explosion, No fire
8 / Nail Pricking test
samples require: Fresh,Fully charged
Prick through the sample battery with a nail having a diameter of 3mm and remain 2h.
pass standard:No explosion, No fire
Drawing for 4s Lipo Battery For Table PC 16000Mah 3,7V Charge And Discharge 0.5C
| T | Max.08.0 | W | 50.5+0.5 –0.5 | H | 110+0.5 –0.5 | UNIT | mm |
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