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Lithium Battery:Lithium BatteryModel | GX18650-2200 | |
Housing material | Nickel-plated steel | |
Minimum capacity(0.5C5A) | 2200mAh | |
Rated voltage | 3.7V | |
The maximum charging voltage | 4.2 V | |
As the discharge voltage | 2.75V | |
The maximum charging current | 1 C5A | |
Maximum discharge current | 2 C5A | |
Battery diameter ( packPETSets ) | 18.40 mm | |
Battery height ( packPETSets ) | 65.0mm | |
Battery weight(Approx.) | 44g | |
Resistance (Max， at 1000Hz.) | 60 m (Charge state) | |
Charging Method (CC / CV) | Standard | 0.5 C5A×7.5hrs |
Fast | 1 C5A×2.5hrs. | |
Operating Temperature | Charging | 0~Forty five 32oF~113oF |
Discharge | -20~60 -4oF~140oF | |
Storage | -20~Forty five -4oF~113oF | |
No. | Project | Standard | Test Method |
1
| Temperature discharge performance
| The discharge capacity/Nominal capacity ×100% A)0.2C5A100% B)0.5C5A98% C)1C5A95% D)2C5A85% Charge-discharge curve should be smooth | In1Standard atmospheric pressure， temperature25 2，Relative humidity45%80%Under the conditionsBattery0.5CStandardAfter charging ( hereinafter ， if not specified，Under this condition were placedHere are charging mode ) ， hold10min， Respectively，0.2C5A，0.5C5A，1C5A，2C5ADischarge to the lower voltage2.75V， Cycle times ， when there is a up to standard ， which meet the standard requirements (below ) . |
2 | Temperature charge retention Ability | Remaining capacity nominal capacity* 85% Recovery capacity nominal capacity* 90% Open circuit voltage decreases the rate of 3% Resistance increase rate 20% | Measurement of the initial state and the initial battery capacity ， standard battery charge，Open place30Days， the measuring cell final state ; to0.5C5ADischarge to2.75VMeasuring the remaining capacity of the battery ;0.5C/0.5CRestore the battery capacity measurement. Can be recycled three times， once when up to standard ， which meet the standard requirements. |
3 | Cycle life | Capacity nominal capacity* 80% | Measuring an initial state of the battery and the initial capacity ， for0.5C/1CCirculation，150After the second measurement of the final state of the battery ; or0.5C/0.5CCycle300After measurement the final state of the battery. |
4 | Storage Performance | 0.2C5ADischarge time Storage3Month Battery 4.5h; Storage6Month Battery 4.25h; Storage12Month Battery 4h. | The initial capacity of the measuring cell ， the battery is charged to3.800.02VAfter measuring the initial state of the battery before storage were stored at room temperature3Months6Months12Months later ， the final state of the measuring cell，Then0.5C/0.2CCycle3Battery discharge times of recording time . |
4.2Safety performance
No. | Project | Standard | Test Method |
1 | Overcharge performance | No explosion， no fire， The maximum temperature<130 | After charging the battery standard ， measuring the initial state of the battery，Ensure that the battery status is normal (below )，With1 C5ACurrent charge to4.8V，Then transferred to constant voltage charging current as of0.01C5ATermination，Observation of the appearance and temperature change of the battery . |
2 | Over-discharge performance | No fire， no explosion | After charging the battery standard ， measuring the initial capacity of the battery ， the battery measuring the initial state to1C5ADischarge to2.75V， Then10The resistance of the battery is connected to the positive and negative ， shelved14Days. Measuring the final state of the battery . |
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