Rechargeable Lithium Ion Polymer Battery 502025 3.7V 200mAh Lipo Batteries For Earphone
Technical Specifications
| NO. |
Items |
Specifications |
| 1 |
Batteries |
3.7V 200mAh LiPo battery |
| 2 |
Charge voltage |
4.2V |
| 3 |
Nominal voltage |
3.7V |
| 4 |
Nominal capacity |
200mAh @ 0.2C Discharge |
| 5 |
Charge current |
Standard Charging: 0.2C Rapid charge: 1.0C |
| 6 |
Standard Charging method |
0.5C CC charge to 4.2V, then CV charge till current ≤0.05C |
| 7 |
Charging time |
Standard: 2.75 hours (Ref.) Rapid: 2 hours (Ref.) |
| 8 |
Max. charge current |
0.5C |
| 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: 25±0.5mm Width: 20±0.5mm Thickness: 5±0.2mm |
| 14 |
Drop Test |
Dropped from 1m height twice onto concrete - no fire, no leakage |
| 15 |
Cycle time |
≥800 cycles |
Key Features
- Compact Design: Ultra-slim 5*20*25mm form factor ideal for space-constrained devices
- Stable Performance: Consistent 3.7V output for reliable device operation
- Optimized Capacity: 200mAh provides sufficient runtime for low-power applications
- Enhanced Safety: Built-in protection against overcharge, over-discharge, and short circuits
- Long Lifespan: Supports 300-500 charge cycles under standard conditions
- Low Self-Discharge: Maintains over 90% capacity after 1 month storage
- Lightweight: Only 3-5 grams for minimal impact on portable devices
Primary Applications
- Mini wearable devices (smartwatches, fitness trackers)
- Portable medical gadgets (pulse oximeters, thermometers)
- IoT sensors and Bluetooth beacons
- Small consumer electronics (earbud cases, mini speakers)
- Micro RC toys and educational models
- Backup power for GPS trackers and small LED lights
Product Images