Battery Support OEM Wholesale
Keheng is China’s top 3.7-volt cylindrical ternary battery cell manufacturer. All 2c, 3c, 5c, 10c, and 20c battery cells support wholesale and OEM customer agent distribution, so choosing Keheng can save more than 45% of the purchase cost for 2B buyers.
Description
INR21700 has high quality and performance; its capacity is 1000mAh larger than Samsung 40T,50E, keheng INR21700 has a capacity of up to 5000mAh, and the price is only 1/2 of the Samsung 40t battery and Panasonic 21700 battery cell because China’s lithium Ion battery manufacturer is the world’s first, keheng’s products European and American customers have recognized the quality. The competitive advantage of price has increased the market share of Keheng’s 21700 lithium-ion battery year by year.
To sum up, Keheng INR 21700 li-ion battery cells were the best and cheapest in 2022 and the best alternative to the Samsung 40t battery.
A whole series of cylindrical ternary lithium battery cells have passed CE, CB, ROHS, MSDS, IEC 62321, UN38.3 certificated
INR21700 18650 Data Sheel:
| Battery | Kheng INR21700-5000mAh(2c) Cylindrical Li-Ion Cell |
| Rated Capacity | Min: 4753mAh |
| -Charge: 0.5C(2450mA), 4.2V, 0.02C(98mA) cut off @ RT | |
| -Discharge: 1C(4900mA), 2.5V cutoff @ RT | |
| Standard Capacity | Nominal energy: 18.5Wh |
| Min: 4900mAh | |
| -Charge: 0.5C(2450mA), 4.2V, 0.02C(98mA) cut off @ RT | |
| -Discharge: 0.2C(980mA), 2.5V cutoff @ RT | |
| 1C=4900mA | |
| Charging Voltage | 4.2V |
| Nominal Voltage | 3.6V |
| Charging Method | CC-CV (0.02C/98mA cut-off) |
| Charge Current | Standard charge: 2450mA, charge time: 3 hours |
| Max. charge: 4900mA (not for cycle life) | |
| Max. Discharge Current | 2C/9800mA (for continuous discharge) |
| Discharge Cut-off Voltage | 2.5 V |
| Cell Weight | 69g max (2.45oz) |
| Cell Dimension | Height: 70.80mm (2.79″ Max) |
| Diameter: 21.15mm (0.83″ Max) | |
| Cycle Life | Capacity ≥ 3,802mAh @ after 500cycles |
| (80% of the Rated Discharge Capacity @ RT) | |
| – Charge : 0.5C(2,450mA), 4.2V, CCCV 0.05C(245mA) cut-off @ RT | |
| – Discharge: 1C(4,900mA), 2.5V cut-off @ RT | |
| Operating Temperature (surface temperature) | Charge : 0 ~ 45℃ |
| Discharge: -20 ~ 60℃ | |
| Discharge OTP(over temp. protection) should not exceed 60°C of the cell surface temperature. The protection set should be based on the location of the cell | |
| surface with the highest temp increase part of the battery pack | |
| Storage temperature | One year: -20 ~ 23℃ |
| Three months: -20 ~ 45℃ | |
| One month: -20 ~ 60℃ | |
| Note: If the cell is kept at ex-factory status (30% of charge), the capacity recovery rate is more than 80% of the standard discharge capacity. |
INR21700 18650 Battery Applications
INR21700 18650 cylindrical battery cells are widely used, including mobile power supply, digital communication products, PPS portable power supply, Electronic Tools, Electric drill, Electric bicycle, Electric scooter, Electric wheelchairs, sweeping robots,forklift,power bank, moniter ,lighting,wind solar storage, etc., with high energy density.
3.7 vlots ncm Ternary Lithium Battery Product series list
| Model | Nominal capacity | Nominal energy | Dimension (MM) | Discharge rate | Approx weight(G) |
| INR18650 -1800 |
1800mAh | 6.66Wh | H65.0*D18.3 | 1c | 44g |
| INR18650 -2000 |
2000mAh | 7.4Wh | 1c | 50g | |
| INR18650 -2200 |
2200mAh | 8.1Wh | 1c | 48g | |
| INR18650 -2000-3C |
2000mAh | 7.4Wh | 3c | 45g | |
| INR18650 -2000-10C |
2000mAh | 7.4Wh | 10c | 48g | |
| NR18650 -2500-3C |
2500mAh | 9.3Wh | 3c | 48g | |
| INR18650 -2600-3C |
2600MAH | 9.7Wh | H65.0*D18.3 | 3c | 48g |
| INR18650 -2900-3C |
2900MAH | 10.7Wh | 3c | 48g | |
| INR18650 -3200-3C |
3200MAH | 11.8Wh | 3c | 48g | |
| INR21700 -4000-11C |
4000MAH | 14.8Wh | H71.2*D21.4 | 11c | 65g |
| INR21700 -5000-2C |
3200MAH | 18.5Wh | 2c | 72g | |
| End of charge voltage： 4.2V；End of discharge voltage：2.75V | |||||
| Charge temperature：0°C ~ 45°C；Discharge temperature：-20°C ~ 60°C；Storage temperature：-20℃-30℃ Cycle lfe(25°C,1C.@100%DOD)：500 times；Cycle lfe(25°C,1C.@80%DOD)： 800 times |
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