Imported 21700 Lithium Battery Pack The Future of Energy Storage Solutions

Customer Testimonials

• An Enterprise Customer

  October 15, 2024, 10:30 AM

  The energy storage container provided by EK SOLAR has helped us resolve the issue of unstable power supply and has improved our production efficiency. We are extremely satisfied!

• The Person in Charge of a Distributed Photovoltaic Project

  November 2, 2024, 3:15 PM

  The design of the foldable photovoltaic container is highly user-friendly, easy to install, and has a high power generation efficiency, which has saved us a significant amount of time and cost for our project.

• A Commercial Building Owner

  December 10, 2024, 2:45 PM

  After installing EK SOLAR's power storage cabinet, our electricity costs have decreased significantly. The intelligent management system ensures that we can use electricity more efficiently, making it a truly great investment.

• An Industrial Park Manager

  February 5, 2025, 4:30 PM

  EK SOLAR's large-capacity energy storage modules have effectively addressed the peak-load power consumption problem in our industrial park. They are reliable and efficient, making our production operations more stable.

• A Data Center Operator

  March 22, 2025, 9:20 AM

  The energy storage monitoring and management system from EK SOLAR enables us to accurately monitor and manage the power consumption of our data center. It has enhanced the reliability of our power supply and reduced potential risks.

Why 21700 Cells Are Revolutionizing Power Systems

If you''re searching for imported 21700 lithium battery packs, you''re likely exploring high-performance energy storage. These cylindrical cells – slightly larger than the common 18650 type – deliver 20% higher capacity while maintaining excellent thermal stability. But what makes them the go-to choice for industries ranging from solar farms to electric vehicles?

Key Applications Driving Demand

• Renewable Energy Storage: Pair perfectly with solar/wind systems (4,500+ cycle life at 80% DoD)
• EV Power Trains: 3.6-4.2V operating voltage enables compact battery designs
• Industrial Backup: 5,000mAh capacity per cell ensures longer runtime

Parameter	21700 Cell	18650 Cell
Capacity	4,800-5,000mAh	3,000-3,500mAh
Energy Density	250-300Wh/kg	200-250Wh/kg
Cycle Life	1,200+ cycles	800-1,000 cycles

Industry-Specific Solutions

Our custom lithium battery solutions adapt to various operational needs:

For Solar Installations

A recent project in Jiangsu Province saw 20% efficiency gains using our modular battery packs with integrated BMS. The secret? Intelligent cell balancing that reduces capacity fade to under 2% annually.

EV Manufacturing Edge

Automakers now prefer 21700-based packs for their "sweet spot" balance between energy density (think: longer range) and thermal performance. Our nickel-rich NMC chemistry delivers 15% faster charging than standard Li-ion alternatives.

The Smart Factory Advantage

Our ISO-certified production line utilizes:

• Laser welding with ≤10μm precision
• Real-time impedance monitoring
• Automated formation cycles

FAQ: Your Top Questions Answered

Are 21700 batteries safer than other types?

When properly engineered with multi-stage protection circuits and flame-retardant separators, yes. Our packs undergo 23 safety validations including nail penetration and thermal shock tests.

What''s the typical lead time?

Standard configurations ship within 15 working days. Need urgency? Our express service delivers in 7 days for 25% surcharge.

Powering Global Industries

Specializing in custom lithium battery solutions, we serve clients across 35+ countries. From grid-scale ESS to specialized marine applications, our technical team tailors each solution using top-tier imported cells.

Connect with our engineers: 📞 +86 138 1658 3346 (WhatsApp/WeChat) ✉ [email protected]

Why This Matters Now

With global energy storage demand projected to hit $546 billion by 2035 (CAGR 8.3%), choosing the right battery partner becomes critical. The 21700 format isn''t just another battery – it''s your gateway to scalable, future-ready power solutions.

About Us: As a leading provider in the new energy sector, we combine cutting-edge battery technology with deep industry expertise. Our solutions bridge power generation and consumption gaps across residential, commercial, and industrial applications.