Samsung High Drain INR21700-33J 3.2A 3300mAh High Capacity 3.6V
Li-ion Rechargeable Flat Top 3.7V Battery
|Standard discharge capacity||Typ 3,270mAh,|
Typ 12.0Wh Min 11.4Wh
- Charge: 0.5C(1600mA),4.2V,
0.02C(64mA) cut-off @ RT
- Discharge : 0.2C(640mA), 3.0V cutoff @ RT
* 1C = 3,200mA
|Rated discharge capacity||Typ 11.4Wh Min. 10.83Wh|
- Charge: CP E/2 to 4.1V then CV 4.1V 0.05C
(160mA) cut off rest 10min @23±3oC
- Discharge : CP E/2, 3.0V cut-off rest 10min
Lot mean Typ energy: 11.28 Wh
Lot size: 10k cells
|Charging voltage (1*)||4.10V|
|Nominal voltage||3.56V (Rated discharge energy condition)|
(constant voltage with limited current)
|Discharge cut-off voltage||3.00V|
(W/O tube, W/O Washer)
|Refer to cell drawing Appendix. 1|
Max. height to top : 70.15mm
Max. height to crimping : 70.15mm
Max. upper diameter : 21.1mm
|Operating temperature (1*)|
(Cell surface temperature)
|Charge : 0 to 60ºC|
Discharge: -20 to 60ºC
According to recommended cell usage range of the
Table1 & 2
|Storage temperature (2*)||1 year : -20~23ºC|
3 months : -20~45ºC
1 month : -20~60ºC
1 week : -30~60ºC
1 day : -40~60ºC
Discharge rate capabilities
Discharge capacity according the discharging current is measured
cut-off after the standard charge is as follows,
|Current||0.2C (640mA)||0.5C (1,600mA)||1C (3,200mA)||2C (6,400mA)|
Note: Typical capacity(3,270mAh) is 100% as an index of the
About the product:
- This is the new 21700 battery size that is slightly larger than
18650 cells. This cell is a high drain cell with moderate capacity.
- CHARACTERISTICS - Ideal for Electronic Device That Requires
Removable High Drain 21700 Size Battery, Chemistry: INR, Model:
33J, Size: 21700, Style: Flat Top, & Type: Lithium-ion
- SPECIFICATIONS - Capacity: 3300mAh (MAX), Continuous Rated
Discharge: 3.2A (MAX), & Nominal Voltage: 3.56V-3.6V
- GENERAL KNOWLEDGE TIPS - Fully Charged to 4.2V Before First Use
& Use Only Proper Battery Charger That's Designed for 21700
- BATTERY LIFE CYCLE & STORAGE TIPS - Capacity Drops to 75% After
2000 Full Charge/Discharge Cycles & Must Store the Battery in a
Proper Case/Box in a Cool & Dry Place
1. Long life, large capacity and good shock resistance
2. Low self-discharge and good discharge performance at low
3. Strong charging acceptance and quick-charging capability
4. Strong over-discharge resistance and charge retention
5. Maintenance-free and no acid or water for maintenance in usage
6. Excellent large current discharge performance, and have obvious
advantages in startup and climbing
7. High temperature performance
8. Environmental friendly
9. Lighter weight smaller size
10. Most safe no explosion no fire
1) Portable equipment: Laptop, camcorder, PDA, digital camera,
portable DVD etc.
2) Military equipment: IR telescope
3) Medical devices
4) Power tools
5) Battery Packs
6) Electronic Devices
High Capacity and Stable Discharge Voltage
Light weight, small size and high performance
Small internal resistance
Outstanding Discharge properties and Storage Capacity
Pollution free, long cycle life
No memory effect
Existing stock for short delivery time.
Factory price, high quality
1. When using the application equipped with the battery, refer to
the user’s manual before usage.
2. Please read the specific charger manual before charging.
3. Charge time should not be longer than specified inthe manual.
4. When the cell is not charged after long exposure to the charger,
5. Battery must be charged at operating temperature range 0 ~ 45°C.
6. Battery must be discharged at operating temperature range -20 ~
7. Please check the positive(+) and negative(-) direction before
8. When a lead plate or wire is connected to the cellfor packing,
check out insulation not to short-circuit.
9. Battery must be stored separately.
10.Battery must be stored in a dry area with low temperature for
11.Do not place the battery in direct sunlight or heat.
12.Do not use the battery in high static energy environment where
the protection device can be damaged.
13.When rust or smell is detected on first use, please return the
product to the seller immediately.
14.The battery must be away from children or pets
15.When cell life span shortens after long usage, please exchange
to new cells.
www.eleteks.com is committed to providing you with authentic 21700
lithium-ion batteries. Every battery sold was tested strcitly and
of the highest quality.
We totally understand the price is crucial to a wholesaler, so we
will do our best to maximize your profits.
We won’t ensure you our price is lowest but we ensure you what you
paid is the price for authentic rechargeable Li-ion batteries.
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To know more about Samsung INR21700-33J 3300mAh 3.7V rechargeable
battery, please check the official Data Sheet with us by following