Home > Products > 18650 cylindrical power lithium-ion batteries > INR18650-2500mAh Li-ion Rechargeable cylindrical battery
INR18650-2500mAh Li-ion Rechargeable cylindrical battery
- 12 Piece / Pieces per Month
- SHANGHAI
- T/T L/C
- 30 days
Product Details
Brand Name: | Sunpower | Place of Origin: | China |
Product Description
INR18650-2500mAh Li-ion Rechargeable cylindrical battery,High security lithium ion battery,rechargeable lithium battery,High temperature resistance lithium ion battery
2500mah Li-Ion Battery Product Details:
| Items | Specifications | |
1 | Model | INR18650-2500 | |
2 | Can Material | Ni-Iron | |
3 | Rated Capacity | 2500 mAh(0.2C ) | |
Min. Capacity | 2450 mAh(0.2C ) | ||
4 | Nominal Voltage | 3.7V | |
5 | Max. Charge Voltage | 4.2 V | |
6 | Discharge Cut-off Voltage | 2.75V | |
7 | Max. Charge Current | 2.5 A | |
8 | Standard Discharging Current | 1.3 A | |
9 | Max. Continuous Discharge Current | 20 A | |
10 | Max. Pulse Discharge Current | 30A( 3s pulse ) | |
11 | Max. Diameter(include PET) | ≤18.40 mm | |
12 | Max. Height (include PET) | ≤65.50mm | |
13 | Weight (Approx.) | 44.0±1.0g | |
14 | Impedance (Max. at 1000Hz、charged status) | ≤ 18 mΩ | |
15 | Charge Method (CC/CV) | Standard | 0.5 C ×6hrs |
Quick | 1 C ×1.5hrs. | ||
16 | Operating Temperature | Charge | 0℃~45℃ 32oF~113oF |
Discharge | -20℃~60℃ -4oF~140oF | ||
Storage | -20℃~45℃ -4oF~113oF |
Characteristic for 18650 rechargeable lithium battery wholesale
Without special instructions, the following tests should be done under the condition of : temperature(23℃±3℃), atmospheric pressure (86KPa~106KPa), relative humidity (45%~85%), and the tests should be done within two
weeks after receiving the products.
the definitions of some nomenclatures of this specification
standard Charge: Charge with current 0.2C to limit charge voltage under the condition of23℃±3℃ surrounding temperature,then change to charge with constant voltage till the current less than or equal to 0.02C .
Safety Characteristic of 18650 High security rechargeable lithium battery
NO. | Item | Standard | Test Method |
1 | Overcharge | No fire、No explosion | After standard charge, rest for 10mins; then charge at constant current of 3C5A to 10V.(or charge at 3C5A for 90mins). |
2 | Forced discharge | No fire、No explosion | The battery to be discharged with standard discharging condition, Inverse charge current =1C5A;time: ≥ 90mins |
3 | Short Circuit test | No fire、 No explosion | The battery to be fully charged with standard charging condition, and short the positive and negative terminals |
4 | Crush test | No fire、No explosion | A battery is crushed between two flat surfaces. The applied force is 13 kN±1kN by hydrocylinder, Once the maximum pressure has been obtained or voltage decrease to 1/3 of nominal voltage sharply, then release pressure. |
5 | Shock test | No fire、No explosion | The full charged battery is fixed on shock table, to force a certain shock to three mutual vertical direction, in initial 3ms, the min. average acceleration is 75gn,the peak acceleration is between 125gn and 175gn. |
6 | Heating test | No fire、No explosion | The cells are fully charged with standard charging condition, and put into incubator with nature air or cycled air convected, heat battery by velocity of 5°C ±2°C/min to 130°C±2°C,and maintain for 10mins. |
7 | Temperature | no leakage, no fire, no explosion | The fully charged batteries are placed in a test chamber and subjected to the following cycles: a) Raising the temperature to 75°C ±2°C within 30 minutes and maintaining this temperature for 6 hours. b) Reducing the temperature to minus 40°C ±2°C within 30 minutes and maintaining this temperature for 6 hours. c) Repeating the sequence for a further 9 cycles. d) After the 10th cycle, storing the batteries for 24 hours prior to examination. |
The company founded in 2014, focus on producing cylindrical power lithium-ion batteries. The company supply Electric vehicle cylindrical lithium battery, which include 1500mAh, 1300mAh, 2000mAh, 2200mAh, 2500mAh, 2600mAh Li-ion battery and 3000mAh Li-ion battery. All adopt the most advanced extrusion coating production technology and yearly production reaches to 250 million Ah power type 18650 High security lithium ion battery. Our products have high quality and competitive prices.
If you want to learn more about the High security lithium ion battery, please visit here.
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More information:
http://www.rubberotik.de
http://www.ralfelectrician.uk
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Contact Us
- Jiangsu Sunpower Co., Ltd.
- Contact nameYuanyuan Zhang
- Phone86-0512-58566663
- AddressNo. 8, Xingyuan Road, Huangqiao Industrial Park, Taixing Taizhou,Jiangsu
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