China Best Lithium Cells Manufacturer Supply HY 1244147 4000mAh 7.4V Lipo Battery For Medical Equipment
$3.00
In stock
SKU
HY 1244147 4000mAh 7.4V
FOB Price: US $1.2 - 1.5 / Ampere
Min.Order Quantity: 1000 Ampere/
Please contact us for the order !
- Place of Origin: Guangdong, China (Mainland)
- Brand Name: HY
- Model Number: 1244147
- Type: Li-Ion
- Nominal Voltage: 7.4V
- Size: 12*44*147mm
- Nominal Capacity: 4000mAh
- Product name: 1244147
- Warranty: 1 Year
- Weight: 152g
- Cycle life: 500 Times
- Capacity: 4000mah
- Voltage: 7.4V
- Application: for medical equipement
- Certificate: CE/RoHS/UN38.3/MSDS
- Payment: Paypal.TT.Escrow.Western Union
Product Parameters
| No. | Item | General Parameter | Remark | |
| 1 | Rated Capacity | Typical | 4050mAh | Standard discharge(0.2C C5A) after Standard charge |
| Minimum | 4000mAh | |||
| 2 | Nominal Voltage | 7.4V | Mean Operation Voltage | |
| 3 | Voltage at end of | 6.0V | Discharge Cut-off Voltage | |
| Discharge | ||||
| 4 | Charging Voltage | 8.4±0.03V | ||
| 5 | Internal Impedance | ≤50mΩ | 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 | Charge time : Approx 6h | |
| Constant Voltage 8.4V | ||||
| 0.01 C5A cut-off | ||||
| 7 | Standard discharge | Constant current 0.2 C5A | ||
| end voltage 6.0V | ||||
| 8 | Fast charge | Constant Current 0.5C5A | Charge time : Approx 2.5h | |
| Constant Voltage 8.4V | ||||
| 0.01 C5A cut-off | ||||
| 9 | Fast discharge | Constant current 0.5C5A | ||
| end voltage 6.0V | ||||
| 10 | Maximum Continuous Charge Current | 1 C5A | ||
| 11 | Maximum Continuous Discharge Current | 1 C5A | ||
| 12 | Operation Temperature Range | Charge: 0~45℃ | 60±25%R.H. | |
| Bare Cell | ||||
| Discharge: -20~60℃ | ||||
| 13 | Storage Temperature Range | Less than 1 year: -20~25℃ | 60±25%R.H. | |
| at the shipment state | ||||
| less than 3 months: -20~40℃ | ||||
| 14 | Pack Dimension |
High:max147mm Width: max 44mm Thickness: max12mm |
Initial Dimension | |
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