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

Brand Name: XL
Model Number: 21700
Place of Origin: Guangdong, China
Minimum Order Quantity: 100
Price: $2.35-2.45
Tags

1200mAh Lithium Polymer Battery

500 cycles Li-Po Battery

3.7V Rechargeable Battery

Product Details

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
Highlight

4000mAh 21700 Li-ion Battery

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12C High Rate Lithium Ion Battery

,

1000 Cycles Rechargeable Battery

Product Description

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 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic Devices 0 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic Devices 1 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic Devices 2 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic Devices 3 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic Devices 4 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic Devices 5 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic Devices 6 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic Devices 7 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic Devices 8 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic Devices 9 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic Devices 10 21700 Li-ion Battery 3.7V 4000mAh 12C High Rate with 1000 Cycles for Electronic Devices 11
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.

Product Highlights

Factory direct 21700 Li-ion battery: 4000mAh capacity, 12C high discharge rate, 1000-cycle lifespan. Operates from -20°C to 60°C. Custom OEM/ODM options available with 1-year warranty.

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