Introduction
The Lithium Ion Polymer Battery 3.7V 140mAh is a lightweight, high-energy-density lithium polymer battery widely used in smart wearable devices, portable electronic devices, and micro drones.
Advantage
Ultra-thin and Flexible Design
With a thickness of only 10mm, it fits into space-constrained devices such as smartwatches, solving the problem of large traditional battery size.
High-Efficiency Charge and Discharge
Supports 0.5C standard charging and 1.0C high-rate discharging, ensuring high-frequency use and stable output in mobile scenarios.
Wide Temperature Adaptability
It can be used within an operating temperature range of -10~45℃, adapting to various indoor and outdoor application scenarios.
Specifications
|
Items |
Specifications |
|
Batteries |
3.7v 140mah lipo battery |
|
Charge voltage |
4.2V |
|
Nominal voltage |
3.7V |
|
Nominal capacity |
600mAh 0.2C Discharge |
|
Charge current |
Standard Charging: 0.5C Rapid charge: 1.0C |
|
Standard Charging Method |
0.5C CC (constant current) charge to 4.2V, then CV (constant voltage 4.2V) charge till charge current decline to ≤0.05C |
|
Charging time |
Standard Charging:2.75hours(Ref.) Rapid charge: 2hours(Ref.) |
|
Max. charge current |
1.0C |
|
Max. discharge current |
1.0C |
|
Discharge cut-off voltage |
2.75V(0.2C) |
|
Operating temperature |
Charging: 0 °C ~45 °C Discharging:0 °C ~45 °Carging: 0 °C ~45 °C |
|
Discharging: Storage temperature0 °C ~45 °C |
-10°C~ +45 °C |
|
Dimension |
Length: 50±2mm (not including tabs) Width: 20±0.5mm Thickness:10±0.2mm |
|
Drop Test |
The cell is to be dropped from a height of meters twice onto concrete ground. No fire, no leakage |
|
Cycle time |
≥300times |
Customization
| Customizable Item | Customizable Content |
|---|---|
| Cell Dimensions | Length, width, thickness |
| Voltage | 3.7V / 3.8V / 4.2V |
| Capacity | From tens of mAh to hundreds of mAh |
| Discharge Rate | 1C ~ >3C |
| Fast Charging | Standard charging or fast charging |
| Protection Circuit | Overcharge, over-discharge, overcurrent, short-circuit, temperature control protection |
| Smart Management | Optional Bluetooth / I²C / SMBus integration |
| Packaging & Connectors | Wire length, terminal type, and connector customization |
Delivery
|
Selling Units |
Single item |
|
Single package size |
24.29X5.78X5 cm |
|
Single gross weight |
1.500 kg |
Lead Time
|
Quantity (pieces) |
1 - 1000 |
> 1000 |
|
Lead time (days) |
30 |
To be negotiated |
FAQ
Q: What's the MOQ?
A: In stock, the MOQ is 2-10pcs.
Out of stock, we can ship 1pc to you as a sample.
Quantity orders have a better price. We will check the best price for you.
Q: What are your warranty and after-sales services?
A: 12 months warranty for all electronics. We offer technical support and training services (if needed).
Q: What is the lead time?
A: We will arrange the goods for you as soon as possible. Normally, around 3-5 days. When there is an out of stock, the lead time will be 10-15days.
Q: How will the goods be delivered?
A: Normally, by DHL/ TNT/FEDEX UPS Air transport line, etc. We can also ship to your own freight forwarding. As long as the goods are shipped out, we will offer you the goods' package pictures and tracking No.
Q: How about the after-sales service?
A: After-sales service can be contacted by the trade manager, email, and WeChat. It will be available 24 hours online.
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