Rechargeable 18650 Lithium Battery 1500mAh 3.3V
Rechargeable 18650 lithium battery,18650-1500mAh-3.3V
1. Models
1518650-00mAh-3.3V
2. Dimensions (image for reference only)
| Projects | Description | Dimensions (mm) |
| 1 | Diameter | 18.4±0.1 |
| 2 | Height | ≤65.3 |
3. specifications
| Serial number | Projects | Parameters |
| 1 | Nominal capacity | 1500mAh ~1550mAh (0.5C, 25°C) |
| 2 | Minimum capacity | 1500mAh (0.5C, 25°C) |
| 3 | Nominal voltage | 3.3 V |
| 4 | Internal resistance | ≤40mΩ (without PTC type) |
| 5 | Charging voltage | 3.65V |
| 6 | Charging method | Constant current charging to constant voltage charging |
| 7 | Charging time |
Standard charge: 6.0 h (reference value) Fast charge: 2.5 h (reference) |
| 8 | Max. continuous discharge current | 3C/60s (up to 5C/60s) |
| 9 | Discharge cut-off voltage | 2.5V |
| 10 | Operating temperature |
Charging: 0°C ~ 55°C Discharge: -20°C ~60 °C |
| 11 | Storage temperature | -20°C ~ 45°C |
| 12 | Storage humidity | <85% |
| 13 | Battery weight | 42g (approx.) |
4. Battery performance
4.1Electrical properties
| Serial number | Projects | Standard | Test Method |
| 1 |
Standard discharge performance
|
A) 0.2CmA5 discharge capacity ≥ 100% nominal capacity B) 0.5CmA5 discharge capacity ≥ 99% nominal capacity C) 1CmA5 discharge capacity ≥ 90% nominal capacity |
After standard charging of the battery (if not specified below, all are charged according to this charging method), set aside for 0.5~1h and discharge to a cut-off voltage of 2.5V at 0.2CmA5, 0.5CmA5 and 1CmA5 respectively, which can be cycled three times, when one reaches the standard, the standard requirement is met (same below). |
| 2 |
Charge retention at room temperature Capabilities |
Remaining capacity ≥90 % nominal capacity / 90% Recovery capacity ≥ 95% of nominal capacity/ Increase in internal resistance ≤ 30% |
Measure the initial state and initial capacity of the battery; after standard charging of the battery, leave it open circuit for a 30day and measure the final state of the battery; discharge to 2.5V at 0.2 CmA5 and measure the remaining capacity of the battery; after standard charging of the battery again, discharge to 2.5V at 0.2 5CmA and measure the recovered capacity of the battery; it can be cycled three times and when one of them reaches the standard, the standard requirement is met. |
| 3 | Service life | 2000times | 100% DOD, 1C standard cycle continuous use, cut-off capacity7 0% of nominal capacity. |
| 4 | Storage properties |
0.2CmA5 discharge time Batteries for storage3 for months ≥ 4.5h. ≥ 4.0h for batteries stored6 for one month. Storage12 months of batteries ≥ 3.5h. |
Measure the initial capacity of the battery, after the battery is charged to the storage voltage, measure the initial state of the battery before storage, after storage3 at room temperature for one month,6 one month and12 one month respectively, measure the final state of the battery, then charge with standard charge and discharge to 2.5V at 0.2CmA5 for several cycles3, record the discharge time of the battery, when one reaches the standard, the standard requirement is met. |
4.2Safety features
| Serial number | Projects | Standard | Test Method |
| 1 | Overcharge performance |
No explosion, no fire Maximum surface temperature not higher than 150°C |
After standard charging of the battery, measure the initial state of the battery, when the battery is in normal condition (same below), charge to 5.0V with 3CmA5 current, then turn to constant voltage charging to terminate at 0.501CmA as of current. Observe the change in temperature and appearance of the battery. |
| 2 | Over-discharge performance | No explosion, no fire | After standard charging of the battery, the initial state of the battery is measured and discharged at 1CmA5 to 2.5 V, then continued at 51CmA to 0V or 90min. |
| 3 | Short circuit performance at room temperature |
No explosion, no fire Maximum surface temperature not higher than 150°C |
After standard charging of the battery, the initial state of the battery is measured, placed in an explosion-proof cover and directly short-circuited to its positive and negative terminals (total line resistance not greater than 50mΩ), and the test ends when the battery temperature drops to approximately 10°C below the peak temperature. Observe the change in temperature and appearance of the battery. |
| 4 | Thermal shock safety features | No explosion, no fire | The initial state of the battery is measured and the battery is placed in an oven after standard charging and the temperature is increased to 130±2°C at a rate of (5±2°C)/min and held for 30 min. to observe changes in the appearance of the battery. |
| 5 | Falling | No explosion, no fire | To test the initial capacity of the battery, after standard charging, the initial state of the battery is measured and the test battery is dropped vertically and horizontally from a position with a height (lowest point height) of 1m onto a concrete floor for the required 2number of drops. |
4.3Environmental adaptability
| Serial number | Projects | Standard | Test Method |
| 1 | Thermal cycling performance |
No leakage, no smoke, no fire, no No explosions. |
After standard charging, the batteries were left open-circuit at an ambient temperature of 75±2°C for 48h, then at -20°C for 6h and then at room temperature for 24h to observe changes in appearance. |
| 2 | Constant humidity and heat performance |
Discharge capacity after shelving/nominal capacity x 100% > 60% nominal capacity No visible deformation, no corrosion, no smoke, no explosion in the appearance of the battery |
After standard charging, the batteries were placed in a constant temperature and humidity chamber at 40°C ± 5°C and 95% relative humidity for 48h, then removed and set aside for 2h. Changes in the appearance of the batteries were observed. Then discharge at 0.2CmA5 to 2.5V and measure the final capacity of the battery. |
| 4 |
at different temperatures Discharge performance |
Discharge capacity/nominal capacity x 100% A) ≥ 95% of nominal capacity at 60°C. B) ≥ 85% nominal capacity at 0°C. C) ≥ 70% of nominal capacity at -10°C. D) ≥ 40% of nominal capacity at -20°C. No obvious deformation, no leakage, no smoke, no explosion and no fire in the battery's appearance |
To measure the initial capacity and initial state of the battery, after standard charging, the battery is left at a constant temperature of 60±2°C for 12h, discharged at 0.2CmA5 to 2.5V and then standard charged at room temperature. The battery is then standardly charged at room temperature and discharged at CmA5 to 2.5 V. The battery is then set aside at the corresponding constant temperature for 12h at0.2 0±2°C/-10±2°C/-20±2°C in this order to measure the corresponding termination capacity. Finally, the battery is left at room temperature for 2h to measure its final state and observe the change in appearance. |
| 5 |
Vibrating environments Adaptation |
Remaining capacity ≥ 95% of nominal capacity Voltage attenuation ≤ 0.5 % Increase in internal resistance of the battery ≤ 20% No visible damage to the battery's appearance, no leakage, no smoke, no explosion |
After standard charging of the battery, the initial state of the battery is measured, mounted on the shaking table, and the test equipment is adjusted according to the following vibration frequency and corresponding amplitude, with a cyclic frequency sweep from 10Hz to 55Hz for 30min in each of the three directions X, Y and Z, with a sweep rate of 1oct/min. A) Vibration frequency: 10Hz to 30Hz Displacement amplitude (single amplitude): 0.38mm B) Vibration frequency: 30Hz to 55Hz Displacement amplitude (single amplitude): 0.19mm. Measure the final state of the battery at the end of the sweep and observe the changes in the appearance of the battery. |
Note: Definitions of some terms in the above standards.
- Standard charging: charge at0.2 CmA5 at ambient temperature 25°C ± 2 °C. When the battery voltage reaches the charge limit voltage of 3.65 V, change to constant voltage charging until the charge current is less than or equal0.01 to CmA5 and then stop charging.
- Fast charging: charge at 1CmA5 at ambient temperature 25°C ± 2°C. When the battery terminal voltage reaches the charge limit voltage of 3.65V, change to constant voltage charging until the charging current is less than or equal0.01 to CmA5 and then stop charging.
- Initial state: initial voltage, internal resistance and external dimensions of the battery.
- Final state: final voltage, internal resistance and external dimensions of the battery.
- Residual capacity: the first discharge capacity of the battery after a specific testing procedure.
- Standard cycle: After charging the battery at 1CmA5, set aside for half an hour and discharge to 2.5 V at 51CmA.
- Recovery capacity: the discharged capacity of a battery after it has been subjected to a specific testing procedure and its condition has been restored by repeated charging and discharging.
- The batteries used for the above tests must be within 30 days of leaving the factory. Performance tested beyond this storage period may not be consistent with some of the electrical properties of the above parameters.
5. cosmetic inspection
No cosmetic defects that affect the performance of the cell, such as cracks, fissures, leaks, etc. are allowed.
6. Standard test environment
Unless otherwise stated, all tests in this specification were carried out under the following environmental conditions.
Temperature: 25±2°C
Humidity: (65±20)%RH
7. Storage and other matters
- Long-term storage
Long-term storage (more3 than one month) must be stored in a dry, cool place 8with a storage voltage of 3.2 ~ 3.4 V. It is recommended that the batteries are charged and discharged once every three months.
- Other matters
Matters not mentioned in this specification shall be determined by mutual agreement.
8. Shelf life and product liability
The shelf life is 12 months from the factory date (spray code). Carrier New Energy Technologies is not responsible for accidents caused by failure to operate in accordance with the provisions of this specification. We are not responsible for damage to the battery caused by using the battery not in accordance with the provisions of this specification. We are not responsible for damage caused by improper charging or improper battery configuration. In the event of changes to this specification, the purchaser will not be notified.
9. Battery handling precautions
- Mechanical impact Dropping and shocking the battery is prohibited.9. 2Short Circuit
- Short Circuit It is forbidden to short-circuit the battery at any time, it can cause serious damage to the battery
10. Marking on the battery box
The following warning should be stated on the battery box.
- Use the prescribed charger
- Do not put the battery into the fire or heat it
- Do not short-circuit the ends of the battery
- Do not disassemble the battery
11. Warnings and precautions when using batteries
To prevent possible leakage, heating and explosion of the battery, please note the following precautions.
Warning!
- It is strictly forbidden to immerse the battery in seawater or water, and when stored out of use, it should be placed in a cool and dry environment.
- It is forbidden to use and leave the battery next to hot and hot sources, such as fires, heaters, etc.
- Please use a special charger for lithium-ion batteries when charging.
- It is forbidden to use the battery with the positive and negative terminals reversed.
- Do not plug the positive and negative ends of the battery directly into the mains socket.
- Do not throw batteries into fire or heaters.
- It is forbidden to connect the positive and negative terminals of the battery directly with metal for short circuits.
- Do not transport or store batteries with metal, such as hairpins, necklaces, etc.
- No tapping or throwing, stepping on batteries, etc.
- It is forbidden to solder the batteries directly or to pierce them with nails or other sharp objects.
Careful!
- Do not use or leave the battery in high temperatures (e.g. under hot sunlight) as this may cause the battery to overheat, catch fire or fail to function and shorten its life.
- Do not use in areas with strong static electricity or magnetic fields, as this may damage the battery safety protection device and pose an unsafe risk.
- If the battery leaks and the electrolyte gets into your eyes, do not rub it, flush your eyes with water and get immediate medical attention, otherwise you will damage your eyes.
- If the battery emits an odour, becomes hot, discoloured or distorted or if there is any abnormality during use, storage or charging, remove the battery from the unit or charger and discontinue use immediately.
- If the electrodes are dirty, they should be wiped with a dry cloth before use, otherwise they may not function properly due to poor contact.
- Disposable batteries should be wrapped in insulating paper to prevent fire and explosion.
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