Lithium Polymer Battery Pack 105556 3.7v 7.4V 4000mAh 14.8wh 29.6wh Rechargeable Lipo Battery Cell
Price:
Negotiable
MOQ:
100pcs
Delivery Time:
7-10days
Brand:
RESKY
Product Description
Lithium Polymer Battery Pack 105556 3.7v 7.4V 4000mAh 14.8wh 29.6wh Rechargeable Lipo Battery Cell
Product Attributes
| Attribute | Value |
|---|---|
| Working voltage | 7.4V |
| Discharge Rate | Low Discharge Rate |
| Electrolyte | Li(Nicomn)O2 |
| Nominal Capacity | 4000mAh |
| Weight | 90G |
| Cycle Life | 500cycles |
| Warranty | 12months |
| Shipping | UPS, DHL, FedEx, TNT, by Air, by Sea, Special Line |
| Specification | 22*56*60mm |
| HS Code | 8507600090 |
Technical Specifications
| NO. | Items | Specifications |
|---|---|---|
| 1 | Batteries | 7.4V 4000mah lipo battery |
| 2 | Charge voltage | 8.4V |
| 3 | Nominal voltage | 7.4V |
| 4 | Nominal capacity | 4000mAh 0.2C Discharge |
| 5 | Charge current | Standard Charging:0.2C 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 | 0.5C |
| 9 | Max.discharge current | 1.0C |
| 10 | Discharge cut-off voltage | 2.5V0.25V(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:60±0.5mm (not including tabs) Width:56±0.5mm Thickness:22±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 | ≥800times |
Key Advantages
- High Energy Density: With a nominal voltage of 7.4V and capacity of 4000mAh, this high energy density meets the needs of high-power devices.
- Safety: Using polymer cells, they are explosion-proof and leak-proof, offering superior safety compared to standard lithium batteries.
- Cycle Life: Most products boast a cycle life exceeding 500 cycles (with ≥80% capacity retention), making them suitable for long-term use.
- Wide Temperature Range: Supports an operating temperature range of -20°C to 60°C, adapting to a wide range of scenarios.
- Lightweight: Each unit weighs approximately 45-47 grams, making it compact and portable.
- Multi-Device Compatibility: Supports multiple devices, including speakers, amplifiers, and massagers.
Typical Applications
Li-Po: Portable electronics (smartphones, tablets, wearables), drones, RC toys, and thin devices needing flexible power.
Cylindrical Li-ion: Electric vehicles (Tesla's 21700 cells), laptops, power tools, and large energy storage systems.
LiFePO₄: Electric buses, e-bikes, solar/wind energy storage, backup power, and applications prioritizing safety.
Specific Applications
- Outdoor devices: Projectors and power banks supporting extended outdoor use.
- Electronic tools: Power tools, security equipment, and medical devices requiring high capacity.
- Consumer electronics: Digital products, toys, and smart home devices.
- Additional uses: Emergency lighting and beauty devices.
Product Images
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Get in Touch
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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