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Shenzhen Resky Electronics Co., Ltd.

  • China,Shenzhen ,Guangdong
  • Verified Supplier
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China Power Lithium Ion Battery 124065 3.7v 4000mAh 14.8wh Rechargeable Lipo Battery
China Power Lithium Ion Battery 124065 3.7v 4000mAh 14.8wh Rechargeable Lipo Battery

  1. China Power Lithium Ion Battery 124065 3.7v 4000mAh 14.8wh Rechargeable Lipo Battery
  2. China Power Lithium Ion Battery 124065 3.7v 4000mAh 14.8wh Rechargeable Lipo Battery

Power Lithium Ion Battery 124065 3.7v 4000mAh 14.8wh Rechargeable Lipo Battery

  1. MOQ: 100pcs
  2. Price: Negotiable
  3. Get Latest Price
Payment Terms Western Union,T/T
Supply Ability 30000pcs/day
Delivery Time 7-10days
Packaging Details Paper box
Working voltage 3.7V
Discharge Rate Low Discharge Rate
Electrolyte Li(Nicomn)O2
Nominal Capacity 4000mAh
Weight 40G
Cycle Life 500cycles
Warranty 12months
Shipping UPS, DHL, FedEx, TNT, by Air, by Sea, Special Line
Specification 12*40*65mm
HS Code 8507600090
Brand Name RESKY
Model Number LP124065
Certification CE, RoHS, MSDS, Un38.3
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms Western Union,T/T Supply Ability 30000pcs/day
Delivery Time 7-10days Packaging Details Paper box
Working voltage 3.7V Discharge Rate Low Discharge Rate
Electrolyte Li(Nicomn)O2 Nominal Capacity 4000mAh
Weight 40G Cycle Life 500cycles
Warranty 12months Shipping UPS, DHL, FedEx, TNT, by Air, by Sea, Special Line
Specification 12*40*65mm HS Code 8507600090
Brand Name RESKY Model Number LP124065
Certification CE, RoHS, MSDS, Un38.3 Place of Origin China
High Light 3.7v 4000mAh lithium ion batteryrechargeable lipo battery pack14.8wh power lithium battery
Power Lithium Ion Battery 124065
3.7V 4000mAh 14.8Wh Rechargeable LiPo Battery Packs
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 twice - no fire, no leakage
Cycle Time ≥500 times
Lithium Battery Cell vs ICR21700 Comparison
Lithium Battery Cell Advantages
  • Lightweight and flexible aluminum-plastic packaging under 1mm thickness
  • 20-40% lighter than equivalent capacity steel/aluminum-cased batteries
  • High safety with bulging/leakage rather than explosion during abuse
  • Excellent low-temperature performance with over 70% capacity in sub-zero environments
  • Low internal resistance
Lithium Battery Cell Disadvantages
  • Lower mechanical strength, susceptible to puncture or compression damage
  • Higher cost due to customized production
21700 Lithium-ion Battery Advantages
  • High energy density
  • Cost-effective standardized production
  • Rugged metal casing for mechanical protection
  • High rate discharge capability
  • Long cycle life exceeding 500 cycles
21700 Lithium-ion Battery Disadvantages
  • Fixed cylindrical shape with low space utilization
  • Higher safety risks with potential thermal runaway
  • Larger size and weight (Φ21.4mm * 70.6mm, ~69-70g)
Typical Applications
Li-Po Applications
Portable electronics, smartphones, tablets, wearables, drones, RC toys, and thin devices requiring flexible power solutions
Cylindrical Li-ion Applications
Electric vehicles, laptops, power tools, and large energy storage systems
Specific Use Cases
  • 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 Instruments: High-precision testing instruments, explosion-proof equipment, positioners, barcode scanners
  • Medical Equipment: Portable medical instruments, massagers, beauty devices
  • Wearable Devices: Custom-shaped embedded terminals and wearable technology
Product Images
Power Lithium Ion Battery 124065 front view Power Lithium Ion Battery 124065 side view Power Lithium Ion Battery 124065 technical specifications Power Lithium Ion Battery 124065 dimensional view Power Lithium Ion Battery 124065 application examples

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 ...

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Get in touch with us

  • Reach Us
  • Shenzhen Resky Electronics Co., Ltd.
  • Room 1405-1, Building 3B, Huaqiang Idea Park, Guangming Street, Guangming District, Shenzhen, Guangdong Province,China
  • https://www.lithiumbatteriescell.com/

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