Li-polymer Cell Factory Wholesale Bluetooth Earphone Battery UFX 502050 3.7V 500mAh Rechargeable Battery
FOB Price: US $1.2 - 1.5 / Ampere
Min.Order Quantity: 1000 Ampere
Please contact us for the order !
Place of Origin: Guangdong, China
Brand Name: UFX
Model Number: 502050
Type: Li-polymer
Nominal Voltage: 3.7V
Size: 5*20*52mm
Nominal Capacity: 500mAh
Product name: UFX 502050 Li-ion Battery
Warranty: 1 Year
Weight: 10g
Cycle life: 500 Times
Application: Bluetooth Earphone Battery
Certificate: CE/RoHS/UN38.3/MSDS
Payment: Paypal.TT.Escrow.Western Union
Max charge current: 1C
Benzo Energy • UFine Technology' Lithium battery test laboratory
Product Parameters
|
No. |
Item |
General Parameter |
Remark |
|
|
1 |
Rated Capacity |
Typical |
510mAh |
Standard discharge(0.2C C5A) after Standard charge |
|
Minimum |
500mAh |
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|
2 |
Nominal Voltage |
3.7V |
Mean Operation Voltage |
|
|
3 |
Voltage at end of |
3.0V |
Discharge Cut-off Voltage |
|
|
Discharge |
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|
4 |
Charging Voltage |
4.2±0.03V |
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|
5 |
Internal Impedance |
≤175mΩ |
Internal resistance measured at AC 1KHZ after 50% charge |
|
|
The measure must uses the new batteries that within one week after shipment and cycles no more than 5 times |
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|
6 |
Standard charge |
Constant Current 0.2C5A |
Charge time : Approx 6h |
|
|
Constant Voltage 4.2V |
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|
0.01 C5A cut-off |
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|
7 |
Standard discharge |
Constant current 0.2 C5A |
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|
end voltage 3.0V |
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|
8 |
Fast charge |
Constant Current 0.5C5A |
Charge time : Approx 2.5h |
|
|
Constant Voltage 4.2V |
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|
0.01 C5A cut-off |
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|
9 |
Fast discharge |
Constant current 0.5C5A |
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|
end voltage 3.0V |
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|
10 |
Maximum Continuous Charge Current |
1 C5A |
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|
11 |
Maximum Continuous Discharge Current |
1C5A |
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|
12 |
Operation Temperature Range |
Charge: 0~45℃ |
60±25%R.H. |
|
|
Bare Cell |
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|
Discharge: -20~60℃ |
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|
13 |
Storage Temperature Range |
Less than 1 year: -20~25℃ |
60±25%R.H. |
|
|
less than 3 months: -20~40℃ |
at the shipment state |
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|
14 |
Pack Dimension |
High: max52mm Width: max20mm |
Initial Dimension |
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