3.7V 55mAh Rechargeable Lithium Polymer Battery 401120 for Small Smart Led Light
3.7V 55mAh Rechargeable Lithium Polymer Battery 401120 for Small Smart Led Light
![]() |
Battery Type: Rechargeable Lithium Polymer Battery Configuration: 1S1P Part Number: 401120 Nominal Capacity: 55mAh Nominal Voltage: 3.7V Weight: appr. 1.0g Protection Circuit(PCM): Yes Thermistor(NTC): No(Available) Lead wires: UL1571-AWG#28, length: TBD Connector: No(Avialable) Pack size Max.: 4.5x11.5x 22.5mm (T*W*L) Certificates and Reports: UN38.3, MSDS |
Product Detail
| Item | Description | Dimension | |
| T | Battery pack Thickness max. | Initial | 4.5mm |
| After 300 Cycles | 4.9mm | ||
| W | Battery Pack Width max. | 11.5mm | |
| H | Battery Pack Height max. | 22.5mm | |
| A | Wire Length | TBD | |
| Connector | No(Avialable) | ||
| Battery Pack Impedance | ≤ 500mΩ | ||
| Item | Parameter | |
| Battery Model | 401120 | |
| Design Scheme | DW01+8205(Replaceable) | |
| Nominal Voltage | 3.7V | |
| Nominal Capacity | 55mAh(0.2C discharge) | |
| Typical Capacity | 58mAh(0.2C discharge) | |
| Min Capacity | 55mAh(0.2C discharge) | |
| Charging Voltage | 4.2V | |
|
Discharging cut-off Voltage |
2.75V | |
| Standard Charging Current | 0.2C | |
| Rapid Charging Current | 1.0C | |
| Standard Discharging Current | 0.2C | |
| Rapid Charging Current | 1.0C | |
|
Cell Weight |
Appr: 1.0g | |
|
Shipment Voltage |
≥3.8V | |
|
Cell Impedance |
≤400mΩ | |
|
Operating Temperature |
Charging: 10°C ~ 45°C |
|
|
Discharging: -20°C ~60°C |
||
|
Visual Inspection |
Do not appear such as tear, corrosion, deformation, gas bulge, leakage and other harmful phenomena that damage commercial value. | |
Product Certificates and Reports
![]() |
![]() |
Product Applications
![]() |
Product Packaging and Delivery
![]() |
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.





