3.7V Lipo Li-ion Battery Pack 805085 4000mAh
Price:
Negotiable
MOQ:
100pcs
Delivery Time:
7-10days
Brand:
RESKY
Product Description
3.7V Lipo Li-ion Battery Pack 805085 4000mAh
Product Overview
High-performance Lithium Polymer Battery Cell with model number 805085, offering 4000mAh capacity at 3.7V nominal voltage.
Technical Specifications
| Parameter | Value |
|---|---|
| Battery Type | 3.7V 4000mAh Lipo Battery |
| Charge Voltage | 4.2V |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 4000mAh @ 0.2C Discharge |
| Charge Current | Standard: 0.2C Rapid: 1.0C |
| Standard Charging Method | 0.5C CC to 4.2V, then CV at 4.2V until current ≤0.05C |
| Charging Time | Standard: 2.75 hours Rapid: 2 hours |
| Max Charge Current | 0.5C |
| Max Discharge Current | 1.0C |
| Discharge Cut-off Voltage | 2.5V±0.25V (0.2C) |
| Operating Temperature | Charging: 0°C to 45°C Discharging: 0°C to 45°C |
| Storage Temperature | -10°C to +45°C |
| Dimensions (L×W×T) | 85±0.5mm × 50±0.5mm × 8±0.2mm (excluding tabs) |
| Drop Test | 1 meter drop onto concrete twice - no fire, no leakage |
| Cycle Life | ≥800 cycles |
Cathode Materials
1. Lithium Cobalt Oxide (LiCoO₂)
- High energy density (150-200 Wh/kg) ideal for portable electronics
- Excellent electrical conductivity for efficient charge/discharge
- Requires careful thermal management due to safety considerations
2. Lithium Manganese Oxide (LiMn₂O₄)
- Enhanced safety profile with better thermal stability
- Cost-effective alternative with moderate energy density (100-130 Wh/kg)
- Excellent for high-power applications requiring rapid cycling
3. Lithium Iron Phosphate (LiFePO₄)
- Exceptional thermal stability and safety characteristics
- Extended cycle life (2000-3000 cycles) for long-term reliability
- Consistent voltage output with moderate energy density (90-140 Wh/kg)
Product Images

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shenzhen Resky Electronics Co., Ltd.
Location
Room 1405-1, Building 3B, Huaqiang Idea Park, Guangming Street, Guangming District, Shenzhen, Guangdong Province,China
Contact Person
Alice