Professional Custom Special Shape Battery for Wireless Earphone UFX 352020 3.7V 75mAh 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: 352020
Type: Li-polymer
Nominal Voltage: 3.7V
Size: 3.5*20*22mm
Nominal Capacity: 75mAh
Product name: UFX 352020 Li-ion Battery
Warranty: 1 Year
Weight: 3g
Cycle life: 500 Times
Application: Wireless Earphoned Battery
Certificate: UN38.3/CE/MSDS/ROHS
Payment: Paypal.TT.Escrow.Western Union
Max charge current: 1C
Benzo Energy • UFine Technology' Lithium battery test laboratory
Product Parameters
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No. |
Item |
General Parameter |
Remark |
|
|
1 |
Rated Capacity |
Typical |
80mAh |
Standard discharge(0.2C C5A) after Standard charge |
|
Minimum |
75mAh |
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2 |
Nominal Voltage |
3.7V |
Mean Operation Voltage |
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3 |
Voltage at end of |
3.0V |
Discharge Cut-off Voltage |
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|
Discharge |
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4 |
Charging Voltage |
4.2±0.03V |
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5 |
Internal Impedance |
≤525mΩ |
Internal resistance measured at AC 1KHZ after 50% charge |
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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 |
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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 |
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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. |
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|
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. |
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|
less than 3 months: -20~40℃ |
at the shipment state |
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14 |
Pack Dimension |
High: max22mm Width: max20mm |
Initial Dimension |
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