Product Description
Lithium Battery Cell 502540 3.7v 500mAh Lipo Li-polymer Battery Cell For Smart Watch
| NO. | Items | Specifications |
| 1 | batteries | 3.7v 500mah lipo battery |
| 2 | Charge voltage | 4.2V |
| 3 | Nominal voltage | 3.7V |
| 4 | Nominal capacity | 500mAh 0.2C Discharge |
| 5 | Charge current
| Standard Charging:0.5C
Rapid charge: 1.0C |
| 6 | 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 |
| 7 | Charging time
| Standard Charging:2.75hours(Ref.)
Rapid charge: 2hours(Ref.) |
| 8 | Max.charge current | 1.0C |
| 9 | Max.discharge current | 1.0C |
| 10 | Discharge cut-off voltage | 2.5V 0.25V(0.2C) |
| 11 | Operating temperature | Charging: 0 °C ~45 °C
Discharging:0 °C ~45 °C |
| 12 | Storage temperature | -10°C~ +45 °C |
| 13 | Dimension | Length: 40±2mm (not including tabs)
Width: 25±0.5mm
Thickness:5±0.2mm |
| 14 | Drop Test | The cell is to be dropped from a height of meter twice onto concrete ground. No fire, no leakage |
| 15 | cycle time | ≥500times |
Advantages for lithium polymer battery:
Extremely Lightweight and Flexible Design:
Higher Volumetric Energy Density:
Higher Safety
High-Rate Discharge Performance
Main Application:
Smartwatches/Bands:
Wireless Headphones:
Tablets/Smartphones:
Portable Monitors:
Drones and Model Aircraft:
Flexible Electronic Devices:
Warnings:
1. Do not submerge the battery in the water.
2. Do not mix fresh batteries with used batteries.
3. Do not mix batteries with metal stuff together.
4. Do not insert batteries with the (+) and (-) reversed.
5. Do not disassemble, dispose in fire, heat or short circuit.
6. Do not put the battery in a charger or equipment with wrong terminals connected.
Product Picures:
