3.7V 2000mAh Li-poly Battery for Electronic Devices
Modern electronic products demand compact power sources that deliver stable performance without compromising safety.
This 3.7V 2000mAh Li-poly battery was developed to support space-restricted electronic devices requiring predictable runtime and controlled charging behavior.
Key features：
- Ultra-slim form factor optimized for compact enclosures
- Stable 1C charging with controlled heat generation
- Reliable 2C discharge for consistent device output
- Lightweight design improves overall product ergonomics
| No. | Item | Parameter | Remark |
|---|---|---|---|
| 1 | Nominal Voltage | 3.7V | 3.7V/cell |
| 2 | Nominal Capacity | 2000mah | @0.2C |
| 3 | Minimum Capacity | 1800mAh | / |
| 4 | Shipment Voltage | / | / |
| 5 | Initial Internal Impedance | ≤80mΩ | AC 1KHZ |
| 6 | Standard Charge Voltage | 4.2V | 4.2V/cell |
| 7 | Standard Charge Current | 0.4A | |
| 8 | Max. Charge Current | 2A | |
| 9 | Standard Discharge Current | 1A | |
| 10 | Max. Discharge Current | 4A | |
| 11 | Burst Discharge Current | 8A | ≤5s |
| 12 | Discharge Cut-off Voltage | 3V | 3V/cell |
| 13 | Cycle Life | ≥300 cycles | Retention: ≥80% |
| 14 | Charge Temperature | 10°C~45°C | Standard Charge |
| 15 | Discharge Temperature | 0°C ~+65°C | Standard Discharge |
| 16 | Storage Temperature | -10°C~ +45°C | ≤3 Months |
| 0°C~ +35°C | ≤1 Year | ||
| 17 | Weight | About 40 g | / |
| 18 | Special Request | / | / |
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3.7V 2000mAh LiPo Battery Pack FAQs
Can this battery be customized to fit a very tight enclosure?
Yes. For compact electronics, dimensional tolerance is often the first constraint. CMB customizes thickness, width, and length within safe limits, and validates mechanical fit before mass production.
How do you balance safety and charging speed for small devices?
Small enclosures have limited heat dissipation. We define a safe standard charge current based on enclosure airflow, usage profile, and target lifespan—rather than pushing maximum current.
Can protection circuits be customized?
Absolutely. Protection options include overcharge, over-discharge, overcurrent, and optional NTC temperature sensing, depending on device requirements.
What certifications can be supported?
We support UN38.3, MSDS, and assist with IEC / UL-related documentation depending on the target market and product category.
Tailored Customization
Our design team can create custom battery designs for just about any device or machine.
Timely Delivery
Our efficient production and distribution process gets your product delivered in a timely manner.
Quality Guarantee
We stand by our products and guarantee you’ll be happy with your purchase.
