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China factory - Shenzhen Xinglong Electronics Co., Ltd.

Shenzhen Xinglong Electronics Co., Ltd.

  • China,Shenzhen ,Guangdong
  • Verified Supplier
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  3. 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic
China 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic
China 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic

  1. China 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic
  2. China 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic
  3. China 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic
  4. China 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic
  5. China 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic
  6. China 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic

21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic

  1. MOQ： 100
  2. Price： $2.35-2.45
  3. Get Latest Price
Battery Size 21700
Battery Type Liquid
Cycle Life 1000 cycles
Cathode Materials LiCoO2
Weight 70g
Operating Temperature -20-60℃
Voltage 3.7V
Capacity 4000mAh
Size 21*70(mm)
Max Discharge 12C
Construction Solid state
Diameter 21mm
Height 70mm
Energy Density High
Discharge Rate High
Brand Name XL
Model Number 21700
Place of Origin Guangdong, China

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  1. Product Details
  2. Company Details

Product Specification

Battery Size 21700 Battery Type Liquid
Cycle Life 1000 cycles Cathode Materials LiCoO2
Weight 70g Operating Temperature -20-60℃
Voltage 3.7V Capacity 4000mAh
Size 21*70(mm) Max Discharge 12C
Construction Solid state Diameter 21mm
Height 70mm Energy Density High
Discharge Rate High Brand Name XL
Model Number 21700 Place of Origin Guangdong, China
High Light 4000mAh 21700 Li-ion Battery ，12C High Rate Lithium Ion Battery ，1000 Cycles Rechargeable Battery
Factory Direct Supply 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate Power Battery
Key Features
  • High-Capacity: 4000mAh provides long-lasting power for your electronic devices
  • Long-Life Cycle: 1000 cycles ensure reliable performance over time
  • Durable Construction: Solid state design enhances safety and longevity
  • Wide Operating Temperature: Operates efficiently between -20°C and 60°C
  • Compact Size: 21mm x 70mm makes it easy to carry and store
Technical Specifications
Battery Size 21700
Weight 70g
Cycle Life 1000 cycles
OEM/ODM Yes (Accepted)
Battery Type Solid state
Size 21 × 70mm
Voltage 3.7V
Product Images
21700 Li-ion Battery detailed view 21700 Battery specifications and features High rate power battery construction Battery terminal and connection details 21700 Battery performance chart Battery safety features illustration Battery cycle life diagram Temperature operating range graphic Battery packaging and labeling Battery application examples Quality control and testing process Battery warranty and support information
Frequently Asked Questions
Can you customize batteries?
Yes, we offer professional customized services based on your specific requirements to truly solve your power needs.
Can you provide samples?
Yes, we can provide samples for evaluation and testing.
How is the battery quality?
All our batteries are brand new, Grade A cells. Quality is our top priority, ensuring reliable performance you can trust.
How long does it usually take to ship an order?
Regular items ship within 3-7 days after order placement. Customized items require negotiated shipping time (typically 10-20 days).
What are your shipping methods?
We work with DHL, UPS, EMS, express delivery, and sea shipping. Express delivery takes 5-7 days, sea freight approximately 45 days (varies by destination).
Does the battery come with a warranty?
Yes, the battery includes a one-year warranty by default.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Trading Company

  • Year Established:

    2019

  • Total Annual:

    10000000-50000000

  • Employee Number:

    11~50

  • Ecer Certification：

    Verified Supplier

Our company has been specialized in battery industry for 20 years. With 20 years of design and development experience, our products have been exported to hundreds of countries and regions. We specialize in the production of various types of polymer lithium batteries, mobile power cells, tablet batte... Our company has been specialized in battery industry for 20 years. With 20 years of design and development experience, our products have been exported to hundreds of countries and regions. We specialize in the production of various types of polymer lithium batteries, mobile power cells, tablet batte...

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Get in touch with us

  • Reach Us
  • Shenzhen Xinglong Electronics Co., Ltd.
  • Building 46, Hengling Fourth District, Minqin Community, Minzhi Subdistrict, Longhua District, Shenzhen, Guangdong Province
  • https://www.xinglongbattery.com/

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