Lithium Battery Cell 124065 3.7v 4000mAh 14.8wh Rechargeable Power Battery Packs
Price:
Negotiable
MOQ:
100pcs
Delivery Time:
7-10days
Brand:
RESKY
Product Description
Lithium Battery Cell 124065 3.7V 4000mAh 14.8Wh Rechargeable Power Battery
High-performance 3.7V lithium polymer battery cell with 4000mAh capacity and 14.8Wh energy output, designed for reliable power in various electronic applications.
Product Specifications
| Working Voltage | 3.7V |
| Discharge Rate | Low Discharge Rate |
| Electrolyte | Li(Nicomn)O2 |
| Nominal Capacity | 4000mAh |
| Weight | 40g |
| Cycle Life | 500 cycles |
| Warranty | 12 months |
| Shipping | UPS, DHL, FedEx, TNT, by Air, by Sea, Special Line |
| Specification | 12*40*65mm |
| HS Code | 8507600090 |
Technical Specifications
| Item | Specification |
|---|---|
| Batteries | 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 charge to 4.2V, then CV charge till 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~45°C, Discharging: 0°C~45°C |
| Storage Temperature | -10°C~+45°C |
| Dimension | Length: 66±0.5mm, Width: 40±0.5mm, Thickness: 12±0.2mm |
| Drop Test | 1 meter drop onto concrete ground twice - No fire, no leakage |
| Cycle Time | ≥500 times |
Key Advantages
Lightweight and Flexible: Aluminum-plastic soft-pack packaging with thickness under 1mm, ideal for ultra-thin or irregularly shaped devices
Lightweight Design: 20%-40% lighter than equivalent capacity steel or aluminum-cased batteries
High Safety: Soft-pack structure minimizes explosion risk, typically resulting only in bulging or leakage during abuse
Excellent Low-Temperature Performance: Maintains over 70% capacity output in sub-zero environments
Low Internal Resistance for efficient power delivery
Typical Applications
Lighting Equipment
LED lamps, high-temperature lamps, portable lighting, outdoor camping lights
Consumer Electronics
Bluetooth speakers, shavers, power banks, hand warmers, electric toys, fans
Smart Devices and Sensors
Smart homes, projectors, walkie-talkies, POS machines, health monitoring equipment
Industrial and Professional Instruments
High-precision testing instruments, explosion-proof equipment, positioners, barcode scanners
Medical and Health Equipment
Portable medical instruments, massagers, beauty devices (safety certified models)
Wearable and Portable Terminals
Wearable devices or embedded terminals with customized thickness and shape requirements
Product Images
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Get in Touch
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