Lithium-ion Cell Factory OEM Heating Garment Battery BZ 686770-2S 7.4V 3900mAh 2C Discharge Battery Pack
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: BZ
Model Number: 686770-2S
Type: Li-polymer
Nominal Voltage: 7.4V
Size: 13.6*67*73mm
Nominal Capacity: 3900mAh
Product name: BZ 686770-2S Polymer Li-ion Battery
Warranty: 1 Year
Weight: 131g
Cycle life: 500 Times
Application: Heated Garment 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
|
No. |
Item |
General Parameter |
Remark |
|
|
1 |
Rated Capacity |
Typical |
4000mAh |
Standard discharge(0.2C C5A) after Standard charge |
|
Minimum |
3900mAh |
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|
2 |
Nominal Voltage |
7.4V |
Mean Operation Voltage |
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|
3 |
Voltage at end of |
6.0V |
Discharge Cut-off Voltage |
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|
Discharge |
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4 |
Charging Voltage |
8.4±0.03V |
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5 |
Internal Impedance |
≤60mΩ |
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 8.4V |
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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 6.0V |
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8 |
Fast charge |
Constant Current 0.5C5A |
Charge time : Approx 2.5h |
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Constant Voltage 8.4V |
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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 6.0V |
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10 |
Maximum Continuous Charge Current |
1 C5A |
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11 |
Maximum Continuous Discharge Current |
2 C5A |
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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: max73mm Width: max67mm |
Initial Dimension |
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