E-Motorcycle Power Pack
A high-performance power battery pack specifically designed for electric motorcycles, using advanced lithium battery technology. It features high energy density, fast charging, and long lifespan. The smart BMS system offers multiple protections, ensuring safe and stable rides with extended range.


Number of strings: 24S
Size:255*200*321mm
Voltage:76.8V
Energy:3840Wh

Number of strings: 24S
Size:255*200*321mm
Voltage:76.8V
Energy:3072Wh

Number of strings: 20S
Size:220*185*291.8mm
Voltage:64V
Energy:2560Wh

Number of strings: 16S
Size:184*156*340mm
Voltage:51.2V
Energy:2560Wh

Number of strings: 16S
Size:184*156*340mm
Voltage:51.2V
Energy:2406.4Wh
Applications

Fast-charging batteries designed to support high-frequency battery swaps in shared mobility systems.

High-cycle life batteries built for deep daily charge-discharge patterns in intensive delivery operations.

High-power output batteries ensure reliable torque and climbing performance on steep or uneven terrain.

Wide-temperature-range batteries guarantee stable performance for all-weather law enforcement duties.

High-discharge-rate batteries deliver instant peak power for competitive acceleration and racing performance.
FREE DESIGN
Customized exclusive battery plans! Professional engineers plan battery programs one-on-one.
Maximize Drone Effect with Our Tailored Battery Solutions




Explore Herewin Factory: The Source of Quality
Founded in 2019, Shenzhen Jarwin Time Technology Co., Ltd. is backed by a founding and operational team with over 20 years of extensive experience in the battery industry. It specializes in developing and producing high-performance lithium-ion polymer batteries.
Gain a comprehensive insight into who we are and what we stand for. By exploring the meticulous precision of our
production lines, the efficient management of our factories, and the genuine feedback from our satisfied customers,
you’ll see how we ensure excellence at every step of the process
Different Services For Clients With Different Patterns

FOR OFFLINE CLIENTS
Flexible Delivery Time
Reliable delivery schedules and warehousing support.
High Cost-Effectiveness
Competitive pricing to maximize overall value.
Wide Product Selection
Diverse options to cater to all market segments.

FOR ONLINE CLIENTS
Low MOQ
Flexible MOQ with mixed product options.
Custom Logo
Personalized logo customization for small batches.
One-Stop Marketing Package
Provide quality images, videos to enhance sales revenue.

FOR BRAND CLIENTS
Exclusive Regional Rights
Provide all of herewin's resources and capabilities
R&D Resources
Custom sample within 7 days with R&D capabilities.
Fast Delivery
Efficient production and ship within 25 days at the fastest.
Production Flow of Industrial EV Battery

Unpack materials and sort components.

Full inspection of grouped cells for defects: leakage, scratches, dents, punctures, swelling, etc.

Load into automated equipment; add foam, test, trim, install adapter boards, and align components.

Attach foam between every two cells for protection.

Fold electrode tabs and flatten with a rubber mallet.

Weld tabs using a laser welder; clean residual slag post-welding.

Insert a pry tool sideways at weld points to detect weak bonds; rework if needed.

Wrap module with fiberboard and seal edges with fiber tape.

Secure wiring using a soldering iron.

Lay module flat, slowly slide casing over it, and fully insert into the casing.

Verify cell voltage, temperature, and voltage differentials meet standards.

Cycle batteries to stabilize performance and screen for defects.

Check communication, voltage, temperature sensing, discharge curves, and leakage.

Secure cover with screws and apply sealant evenly for waterproofing.

Inspect for scratches, adhesive residue, stripped screws, and ensure labels are intact/legible.

Repeat functional tests to confirm compliance.

Wrap finished units in PE stretch film and secure pallets with strapping.

Quality-approved units are boxed and dispatched.
LEARN MORE DETAIL
Learn more about production details and manufacturing process
Testing Process
Fair&Certification
Certifications are herewin’s greatest strength.
Meets the needs of all markets, and the source factories are fully certified to ensure quality.

























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FAQs
Our battery packs are designed for:
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Logistics forklifts
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Warehouse handling vehicles
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Sanitation electric vehicles
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Mining transport vehicles
Customizable voltage and capacity options are available to match specific vehicle requirements.
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Cycle Life: ≥2,000 cycles (80% capacity retention).
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Warranty: 3-5 years (model-dependent).
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Features: Supports fast charging and includes remote battery health monitoring to optimize longevity.
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Certifications: UL/CE certified.
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Smart BMS: Built-in Battery Management System with multi-layer protection against overcharge, over-discharge, short circuits, and overheating.
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Robust Design: Fire-resistant and shockproof construction for harsh industrial environments.
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