| Customization: | Available |
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| Type: | Li-ion Battery |
| Cathode Material: | NCM |
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| No. | Item | General Parameter | Remark | ||||||||||||||||||||
| 1 | Nominal Capacity | 2500mAh | Standard discharge(0.5C) after Standard charge | ||||||||||||||||||||
| 2 | Minimum Capacity | 2450mAh | |||||||||||||||||||||
| 3 | Nominal Voltage | 3.7V | Main Operation Voltage | ||||||||||||||||||||
| 4 | Voltage at end of Discharge | 2.75V | Discharge Cut-off Voltage | ||||||||||||||||||||
| 5 | Charging Voltage | 4.2±0.03V | |||||||||||||||||||||
| 6 | Internal Impedance | ≤20mΩ for battery cell | Internal resistance measured at AC 1KHZ after 50%charge The measure must uses the new batteries that within one week after shipment and cycles less than 5times |
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| 7 | Standard charge | Constant Current 0.2C Constant Voltage 4.2V 0.01C cut-off | Charge time : About 6.5h | ||||||||||||||||||||
| 8 | Standard discharge | Constant current 0.2C end voltage 2.75V | |||||||||||||||||||||
| No. | Item | General Parameter | Remark | |||||||||||||||||||||||
| 9 | Fast charge | Constant Current 1C Constant Voltage4.2V 0.01C cut-off |
Charge time:Abou1.5h | |||||||||||||||||||||||
| 10 | Fast discharge | Constant current 1C end voltage 2.75V | ||||||||||||||||||||||||
| 11 | Maximum Continuous Charge Current | 4000ma | ||||||||||||||||||||||||
| 12 | Maximum Continuous Discharge Current | 3C | ||||||||||||||||||||||||
| 13 | Operation Temperature Range | Charge: 0~45ºC | 60±25%R.H. | |||||||||||||||||||||||
| Discharge: -20~60ºC | ||||||||||||||||||||||||||
| 14 | Storage Temperature Range | Less than 1 year: -20~25ºC |
60±25%R.H. at the shipment state |
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| less than 3 months: -20~40ºC |
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| Less than 7 day : -20~65ºC |
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| 15 | Weight | About: 47g | ||||||||||||||||||||||||
| 16 | Dimension | Height: 65.2mm MAX | ||||||||||||||||||||||||
| Width: 18.55 mm MAX | ||||||||||||||||||||||||||
| Diameter:18.55mm MAX | ||||||||||||||||||||||||||
Everbest is a company specializing in R&D and production of lithium batteries, including its own cell factory, battery assembly factory and BMS center. The quality is stable, the price is very cost-effective, and it has been widely praised in the market. Products are widely used in solar street lights, base stations, household and commercial solar systems, electric vehicles and other electric transport vehicles. We can also provide customize services and have many successful cases.
Currently our best-selling lithium battery cells are 18650 2600mah-3500mah, 21700 4000-5000mah, 32700 3.2v 6000mah and some high rate 8-15C 18650 and 21700 for electric tools.
Hot-sell battery pack items are deep cycle lithium batteries 12V, 24V 50-400AH which can directly replace lead-acid batteries, and rack-mounted batteries 48V 100AH.
We have strong technical force and advanced equipment. Our factories passed ISO9001 quality system certification, ISO14001 environmental system certification and ISO18001 health system certification; our products have passed the EU CE , ROHS, IEC certification, and form long-term strategic partnerships with power companies, photovoltaic energy storage companies, State Grid, China Southern Power Grid, products are exported to 50 countries and regions in the Americas, Europe, Oceania, the Middle East, Africa, Southeast Asia, gained a great reputation at home and abroad.
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