52V 21700 Lithium Battery Pack

With 15+ years of hands-on experience, CM Batteries delivers end-to-end 52V 21700 battery solutions – from custom CAD designs and smart BMS programming to prototype development and full-scale production. We help businesses upgrade from standard 18650 batteries to high-power 21700 systems when they need stronger performance. Our 52V battery pack power everything from e-bikes and fleet vehicles to industrial robotics and beyond.

Why Upgrade to 52V 21700 Lithium Packs?

Compared to 48V 21700 Battery Systems:

52V systems deliver higher motor speeds – perfect for conquering hills and high-performance riding.

Achieves the same power with less electrical current – runs cooler and extends component life by 30% or more.

3A-5A fast charging support cuts recharge times by 40%.

Compared to 52V 18650 Battery Packs:

52V 21700 battery packs offer up to 30% more Wh in same space.

Improved voltage stability during high-drain acceleration.

Stays strong under heavy load: Delivers steady power even during rapid acceleration.

Simpler design, better reliability: Fewer cells mean easier maintenance and more stable performance.

Custom 52V 21700 Battery Pack Solutions

52V 20Ah 1040Wh Ebike Battery

Capacity: 1040Wh power delivery

Cells: 14S4P arrangement using Samsung 21700 50S cells

Applications: Built for high-power applications and long rides

50% charge in about 2.5 hours with a 4A charger

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52V 30Ah 1560Wh Integrated Ebike Battery

Capacity: 1560Wh power capacity

Cells: Made by Samsung INR 21700 Cell

Security: 30A BMS with protection against short-circuit, over-current, and overcharge

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What customization options do you offer?

We tailor every aspect of your battery pack, including:

Cell selection (Samsung , Molicel, LG 21700, etc.)

Capacity & voltage (10Ah–60Ah+, 48V standard or adjusted configurations)

BMS features (Bluetooth monitoring, dual-ports, high/low-temperature cutoff)

Mechanical design (IP68 waterproofing, shockproof casing, custom connectors)

Can I replace my existing 18650 pack with a 52V 21700 packs?

Yes! Our engineers can help you convert your current 18650 batteries design to optimized 21700 batteries configuration, and ensure compatibility with your existing system.

What certifications do your batteries have?

Yes, we offer certifications like UL, CE, UN38.3, and others based on requirements.

How do you ensure quality?

Our quality process includes:

100% cell testing before assembly
Full functional testing before shipment
Cycle testing on random samples
1-2 year warranty (depending on configuration)

What industries or applications are your 48V 21700 packs used in?

These packs are commonly used in electric bikes, scooters, mopeds, AGVs, robotics, and portable power systems—especially where higher capacity and durability are needed.