
Product PictureAYAA -Battery : Lithium Ion Battery, E-Bike Battery, Lifepo4 Battery, Polymer Battery Manufacturers.




Product ParametersThe part of the current product parameters, click on the Contact Supplier to know more information.
Item | Rating | Note |
Cell | Type | Li-Polymer Battery | |
Cell Model | 18650-4400mAh | |
Nominal Capacity | 4400mAh | Discharge : 0.2C Cut-off Voltage: 2.75V |
Minimum Capacity | 4400mAh | Discharge : 0.2C Cut-off Voltage: 2.75V |
Nominal voltage | 3.7V | |
Internal Impedance | ≤60mΩ | |
Dimension | Max. 18.5*65*37.1mm | |
Weight | Approx.90g | |
Batterypack | Pack Method | 4S1P | |
Nominal Capacity | 4.4Ah | Discharge : 0.2C Cut-off Voltage:11V |
Minimum Capacity | 4.4Ah | Discharge : 0.2C Cut-off Voltage: 11V |
Nominal Voltage | 14.4V | |
Charge Voltage | 16.8V | |
Discharge cut-off voltage | 10V | |
Charge Method | CC/CV | |
Standard Charge Current | 0.88A | 0.2C |
Max. Charge Current | 5A | |
Standard Discharge Current | 0.88A | 0.2C |
Max. Continues Discharge current | 5A | |
Cycle Life | 300 times | 80% |
Internal Impedance | 100mΩ | |
Dimension | L153* W66.2* T50mm | ±3mm |
Output Wire | | |
Output Connector | / | / |
Weight | Approx.0.4kg | |
Working Temperature Range | Charge: -20°C--50°C Discharge: -20°C--50°C | |
Storage Temperature | -10°C--45°C | |
Why Choose UsWhat we did to improve the battery quality, We have always been able to repay customers with quality and service.

2017 Top Selling2017 Top Selling Battery Packs, Click the corresponding image to view the product details.
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Pack Method | 10S6P | 13S3P | 2S1P | 3S1P |
Nominal capacity | 20.4Ah | 10.2Ah | 3000mAh | 2.6Ah |
Nominal voltage | 37V | 48.1V | 7.4V | 11.1V |
Charging voltage | 42V±0.05V | 54..6V | 8.4V±0.05V | 12.6±0.05V |
Charging current | 10A(0.5C) | 2.04Ah | 0.6A(0.2C) | 1.3A(0.5C) |
Max. Charge Current | 20A(1C) | 40A | 1.5A(0.5C) | 2.6A(1C) |
Charge Method | CC/CV | CC/CV | CC/CV | CC/CV |
Discharge cutoff voltage | 31.2V | 32.5V | 2.4V | 7.2V |
Cycle Life | ≥500 | ≥500 | ≥500 | ≥500 |
Warranty | 12 | 12 | 12 | 12 |
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Ayaa Technology Co., Ltd.Ayaa was found by several battery engineers in 2006 and became PCM&BMS and customized battery pack manufacturers over years.
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