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High-performance lithium polymer battery with compact dimensions (12*40*65mm) and reliable 4000mAh capacity for various industrial and consumer applications.
Key Specifications
Parameter
Specification
Working Voltage
3.7V
Nominal Capacity
4000mAh
Energy
14.8Wh
Dimensions
12*40*65mm
Weight
40g
Cycle Life
500 cycles
Warranty
12 months
Technical Specifications
Parameter
Specification
Charge Voltage
4.2V
Charge Current
Standard: 0.2C, Rapid: 1.0C
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
Standard Charging Time
2.75 hours
Rapid Charging Time
2 hours
3.7V vs 3.2V Battery Comparison
Lithium (3.7V) Advantages
High Energy Density: Suitable for size and weight-sensitive devices (e.g., mobile phones, drones, high-end handheld devices)
High Voltage Platform: Provides higher power output, suitable for high-load applications
Good Fast Charging Performance: Constant current charging rate is much higher than that of lithium iron phosphate (LFP)
Lithium Iron Phosphate (3.2V) Advantages
Ultra-Long Lifespan: High charge-discharge cycle count, suitable for devices requiring long-term use
High Safety: High temperature resistance, less prone to thermal runaway, suitable for commercial or high-temperature environments
Low Cost and Environmentally Friendly: Cobalt-free, raw materials are cheaper and easier to recycle
Selection Recommendations
Prioritize 3.7V Ternary Lithium if:
The device requires a slim and lightweight design, long battery life, and high power (e.g., action cameras, portable medical devices). The operating environment has a moderate or controllable temperature.
Prioritize 3.2V Lithium Iron Phosphate Batteries if:
Safety, durability, and low cost are emphasized (e.g., outdoor equipment, security monitoring, power tools). The application operates in high-temperature or frequent charge/discharge scenarios.
Typical Applications
Li-Po Applications
Portable electronics and smartphones
Tablets and wearables
Drones and RC toys
Thin devices requiring flexible power
Specific Use Cases
Lighting equipment and LED lamps
Consumer electronics and power banks
Smart devices and sensors
Industrial instruments
Medical equipment
Wearable technology
Product Images
Shipping & Customs
Shipping Options: UPS, DHL, FedEx, TNT, by Air, by Sea, Special Line
HS Code: 8507600090
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2012
Total Annual:
500000-1000000
Employee Number:
20~50
Ecer Certification：
Verified Supplier
Shenzhen Resky Electronics Co., Ltd is a company specialized in manufacturing, sales and marketing of rechargeable lithium battery and related battery packs.Our lithium battery cells and packs products are widely used in portable mobile devices such as Bluetooth headsets, MP3 players, PDAs, Digital ... Shenzhen Resky Electronics Co., Ltd is a company specialized in manufacturing, sales and marketing of rechargeable lithium battery and related battery packs.Our lithium battery cells and packs products are widely used in portable mobile devices such as Bluetooth headsets, MP3 players, PDAs, Digital ...
