3.6V Panasonic NCR18650B
NCR18650B-H00BA
Panasonic NCR18650B cell is a wonderful lithium ion cell with minimal nominal capacity of 1500mAh and nominal voltage of 3.7V. Many electric devices can be powered by Panasonic NCR18650B cells like power tools. It has stable discharge voltage and light weight as well as high discharge current of 15A. This is a top-in class choice in 18650 cells.
HIGHLIGHTS OF Panasonic NCR18650B
- Positive Terminal: Flat Top
- Nominal Capacity: Min.3250mAh
- Nominal Voltage: 3.7V
- Internal resistance:≤50mΩ
- Max Continuous Discharge Current: 15A
- Charging Method: CCCV(Constant Current Constant Voltage)
- Charging Voltage: 4.2V
- Charging Current: std.1650mAh
- Charging Time: 4.0hrs.
- Energy Density: 676Wh/l 243Wh/kg
APPLICATION:E-cigarettes, vacuum cleaning appliaction, electric tools, cordless Power Tools, RC model, e-bike, etc.
FEATURE:
•Good cycle life performance
•High energy density
•The new Nickel positive electrode excels in durability in actual use and charge retention
•Low self-discharge
•Long storage reliability through reduced metal elution
APPEARANCE
Shape: Cylindrical
Can : Steel
Diameter : Max. 18.25mm(with tube)
Height : Max. 65.10mm(with tube)
Weight: Max.47.5g
Nominal Specification of NCR18650B
| Item | Specifications | Notes | |
|---|---|---|---|
| Rated Capacity | 3200mAh | 0.65A discharge at 20℃ | |
| Nominal Capacity (Minimum) | 3250mAh | 0.65A discharge at 25℃ | |
| Nominal Capacity (Typical) | 3350mAh | Reference only | |
| Nominal Voltage | 3.6V | 0.65A discharge | |
| Discharging End Voltage | 2.5V | - | |
| Charging Curent (Std.) | 1.625A | - | |
| Charging Voltage | 4.20±0.03V | - | |
| Charging Time (Std.) | 4.0 hours | - | |
| Contiuous Discharge Curent (Max.) | 4.875A | 0~+40°C | |
| Internal Resistance | ≤ 100mΩ | AC impedance 1 kHz | |
| Weight | ≤ 48.5g | - | |
| Operating Temperature | Charge | 0 ~ +40°C | |
| Discharge | -20 ~ +60°C | ||
| Storage Conditions | ≤ 1 month | -20 ~ +50°C | Recoverable Capacity: 80% |
| ≤ 3 months | -20 ~ + 40°C | ||
| ≤ 1 year | -20 ~ + 20°C | ||
NOTE
※1 The maximum discharge current for a single cell use. However after the battery pack assembly , there will be a limitation of maximum discharge current due to a protection circuit or a protection device.
※2 Percentage of recoverable capacity = (Discharging time after storage / Initial discharging time) ×100
The discharging time is measured by the discharge current of 0.65A until 2.5V of end voltage after the battery is fully charged at 25℃.
Electrical Characteristics Tests
| Items | Conditionns | Criteria |
|---|---|---|
| Full Charge | The battery is charged with 1.625A constant current until the voltage reaches 4.20V. Then, the current is reduced in order to keep the constant voltage of 4.20V. The total charging time is 4.0 hours at 25 ℃. | - |
| Capacity | ①Within 1 hour, after fully charged at 25℃, the battery is discharged with 0.65A continuously until 2.5V of end voltage at 25℃. ②Within 1 hour, after fully charged at 25℃, the battery is discharged with 3.25A continuously until 2.5V of end voltage at 25℃. |
≥ 300min. ≥ 54min. |
| Cycle Life | The battery is repeated 300 times of Charge and Discharge cycles, (Charged by CC-CV of 1.625A-4.20V for 4.0 hours, Discharged by CC of 3.25A to 2.5V (E.V.)) at 25℃. After the 300 cycles, the discharge time is measured by the Item 6.2.②. | ≥ 38min. |
| Temperature Characteristics | ①Within 1 hour, after fully charged at 25℃, the battery is stored at 0 ℃ for 3 hours. After that, the discharge time is measured Item 6.2.② at 0 ℃. ②Within 1 hour, after fully charged at 25℃, the battery is stored at 60 ℃ for 3 hours. After that, the discharge time is measured Item 6.2.② at 60 ℃. |
≥ 30min. ≥ 50min. |
| Storage at Fully Charged State | After fully charged at 25℃, the battery is stored for 20 days at 60 ℃. After the storage, the battery is set in 25℃ for 3 hours. Then, the discharge time is measured Item 6.2.②. Then, the same battery is fully charged again and checked the second discharge time by the Item 6.2 ② at 25 ℃. |
≥ 30min. ≥ 40min |
| Storage at FullDischarged State | After fully charged at 25℃, the battery is discharged by the Item 6.2.②. Then, the battery is stored for 20 days at 60 ℃. After the storage, the battery is set in 25℃ for 3 hours. Then, the discharge time is measured by Item 6.2.② at 25℃. | ≥ 50min |
| Drop | After fully charged at 25℃, the cell is dropped 3 times in random direction from a height of 1 m onto a flat surface of concrete. | No rupture, no fire |
STANDARD TEST CONDITIONS:
The testes shall be implemented with new batteries that were delivered within the last 7 days. The tests shall be performed at 25±2 ℃ (The standard temperature of second grade is specified by JIS Z 8703 (Standard Test Conditions)), 65±20 % (The standard humidity of twentieth grade is specified by JIS Z 8703 (Standard Test Conditions)). The grade of voltmeter and ammeter in the tests shall be higher than Class 0.5 which is specified by JIS C 1102 (Electric Indicator).
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Storage Measures For Factory
1.Cell or battery warehouses should be set up independently.
Set up “No Fireworks” eye-catching signs in storage places.
It is strictly forbidden to stack combustibles and flammable items around.
2.The temperature of cell or battery warehouses should be controlled within the range of 20±5℃,
The maximum should not exceed 30℃,
The relative humidity should not be greater than 75%.
Keep the warehouse clean, dry and well ventilated, and do not store other items.
3.Cell or battery warehouses should be equipped with smoke and temperature alarm devices, and the alarm signal should be transmitted to a place where someone is on duty 24 hours a day.
4.Cell or battery warehouses should be equipped with independent external accident exhaust devices.
The accident exhaust devices should be interlocked with smoke and temperature alarm devices.
5.Cells and batteries should be neatly placed, not stacked too high, and storage facilities should be made of non-combustible materials, and anti-static measures should be taken.
6.The positive or negative pole position of each battery (cell) must be insulated to prevent short circuit protection measures.
7.Automatic sprinkler facilities should be set up in the battery warehouse.
8.The battery must not be stored at full capacity, and it is recommended to store it at 50% power.
9.Semi-finished batteries should be equipped with protective plates.
10.Waste batteries should be stored separately after being discharged.
11.Each fireproof zone of the battery and cell warehouse shall not exceed 250 square meters.
12.A sufficient number of spherical dry powder automatic fire extinguishers or sprinklers should be hung in the battery and cell warehouses.
13.The battery and cell warehouses should be equipped with 2 fire blankets each, and 1 special bucket for handling accident batteries.
PS:
1.Explosion-proof electrical equipment should be used in battery warehouses and aging rooms.
2.Faulty batteries and waste batteries must be placed in special treatment cabinets for isolation and disposal, and the use of explosion-proof sand buckets to deal with accident batteries is advocated.
Storage Measures For Daily Lithium Battery Users
1. For Lithium-ion batteries which need to be stored for a long time and not used, they should be kept in a state of 50%-60% charge. They should be recharged every 3 months and recharged every half a year.
2. Attention should be paid to moisture-proof and moisture-proof, to prevent squeezing, collision, etc., to avoid battery damage.
3. It is forbidden to use or place the battery at high temperatures (in hot sunlight or in very hot cars), otherwise it may cause the battery to overheat, catch fire or fail in function, and shorten its life.
4. It is forbidden to store in places with strong static electricity and strong magnetic fields, otherwise it will easily destroy the battery safety protection device and bring unsafe hidden dangers.
5. If the battery emits an odor, fever, discoloration, deformation, or any abnormality during use, storage, or charging, immediately remove the battery from the device or charger and disable it.
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