Mass production ensures consistent quality and stable performance for our 10300 3.7V 200mAh lithium-ion cell. With its compact 10×30mm form factor, increased energy density, and reliable cycle life, it delivers steady power for wearables, IoT devices, and compact electronics, making it a cost-effective choice for low-power applications.
Features
- Compact 10×30mm cylindrical design with a durable metal casing, optimized for small, space-limited applications.
- 3.7V nominal voltage with 200mAh rated capacity, offering longer runtime than shorter 10-series cells.
- Stable discharge performance with low internal resistance, ensuring consistent power output.
- Reliable cycle life and low self-discharge rate, maintaining capacity during long-term storage.
- Built-in basic safety protections against overcharge, overdischarge, and short circuits.
- Wide operating temperature range, suitable for various usage environments.
Applications
- Bluetooth earphone charging cases
- Miniature IoT sensors and wireless modules
- Small wearable devices (smart bands, hearing aids)
- Portable medical equipment
- Low-power consumer electronics and custom battery packs
Characteristics
| Item | Condition / Note | Specification |
|---|---|---|
| Nominal Capacity | 0.2C Discharge Capacity | 200mAh |
| Nominal Voltage | – | 3.7V |
| AC Impedance | At AC 1000Hz | ≤ 150mΩ |
| Cell Size | Cell Diameter | 10.0 ± 0.1mm |
| Cell Height | 30.0 ± 0.2mm | |
| Cell Weight | – | ≈ 4.0–4.2g |
| End-of-charge Voltage | CC/CV Mode | 4.2V |
| Charging Method | Standard Charge | ≤ 0.5C (100mA) at CC/CV |
| End-of-discharge Voltage | CC Mode | 3.0V |
| Max. Continuous Discharge Current | – | 0.2C (40mA) / 0.5C (100mA) |
| Max. Pulse Discharge Current | 3s Pulse | 1C (200mA) |
| Cycle Life | 0.2C / 100% DOD | 300–500 cycles (≥80% capacity) |
| Operating Temperature | Charging | 0°C ~ 45°C |
| Discharging | -20°C ~ 60°C | |
| Storage | -10°C ~ 35°C |






