China Lithium Battery Manufacturer OEM Small Battery for Bluetooth Headphone BZ 301120 40mAh 3.7V Rechargeable Li-Ion Polymer Battery
FOB Price: US $1.2 - 1.5 / Ampere
Min.Order Quantity: 1000 Ampere/
Please contact us for the order !
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Place of Origin: Guangdong, China
Brand Name: BZ
Model Number: 301120
Type: Li-polymer
Nominal Voltage: 3.7V
Size: 3*11*22mm
Nominal Capacity: 40mAh
Product name: BZ 301120 li-ion battery
Warranty: 1 Year
Weight: 1g
Cycle life: 500 Times
Capacity: 40mAh
Application: Battery for Bluetooth Headphone
Certificate: CE/RoHS/UN38.3/MSDS
Payment: Paypal.TT.Escrow.Western Union
Max charge current: 1C
Small Battery - BZ 301120 - 40mAh - 3.7V - Lithium Ion Polymer Battery
Product Parameters
| No. |
Item |
General Parameter |
Remark |
| 1 |
Rated Capacity |
Typical：40mAh Minimum：38mAh |
Standard discharge（0.2C C5A) after Standard charge |
| 2 |
Nominal Voltage |
3.7V |
Mean Operation Voltage |
| 3 |
Voltage at end of Discharge |
3.0V |
Discharge Cut-off Voltage |
| 4 |
Charging Voltage |
4.2±0.03V | |
| 5 |
Internal Impedance |
≤350mΩ |
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 |
| 6 |
Standard charge |
Constant Current 0.2C5A Constant Voltage 4.2V 0.01 C5A cut-off |
Charge time : Approx 6h |
| 7 |
Standard discharge |
Constant current 0.2 C5A end voltage 3.0V |
|
| 8 |
Fast charge
|
Constant Current 0.5C5A Constant Voltage 4.2V 0.01 C5A cut-off |
Charge time : Approx 2.5h
|
| 9 |
Fast discharge |
Constant current 0.5C5A end voltage 3.0V |
|
| 10 |
Maximum Continuous Charge Current） |
1.0 C5A | |
| 11 |
Maximum Continuous Discharge Current |
1.0C5A | |
| 12 |
Operation Temperature Range |
Charge：0~45℃ Discharge：-20~60℃ |
60±25%R.H. Bare Cell |
| 13 |
Storage Temperature Range |
Less than 1 year: -20~25℃ less than 3 months: -20~40℃ |
60±25%R.H. at the shipment stat |
| 14 |
Pack Dimension |
High: max22mm Width: max11mm |
Initial Dimension |
