Rechargeable 36v 48v 10ah 15ah 20.4ah Silver Fish Electric Bike Battery Lithium Ion Battery for Bicycle
$0.00
The Silver Fish Electric Bike Battery is a high-performance, rechargeable lithium-ion power source specifically engineered for modern electric bicycles and urban micro-mobility. Available in 36V and 48V configurations with capacities ranging from 10Ah to 20.4Ah, this battery features a durable aluminum “Silver Fish” casing and an integrated BMS for superior safety and longevity.
Description
Product Features
Quick Plug-and-Play: Bottom features quick-connect functionality for fast battery removal, installation, and charging.
Anti-Theft Protection: Built-in key lock mechanism.
Battery Level Display: Equipped with LED battery indicator.
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Item
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Specification
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Product Parameters
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Application Scenario
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Application
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Two-Wheel Electric Bicycle
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Nominal Voltage
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36V
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Nominal Capacity
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18Ah
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Cell Configuration
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10S6P
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Rated Energy
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≈648Wh
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Cycle Life
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500 cycles / ≥70% DOD
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Standard Charge / Discharge Current
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3.6A (0.2C)
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Max Continuous Charge Current
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9A
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Max Continuous Discharge Current
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40A
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Charge Cut-off Voltage
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42V
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Discharge Cut-off Voltage
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27.5V
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Charging Temperature Range
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0 ~ 45℃
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Discharging Temperature Range
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-20 ~ 60℃
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Protection Features
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Short-Circuit Protection, High & Low Temperature Protection, Key Lock Included
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The Industry Standard for Reliable Urban Mobility
As the global demand for sustainable micro-mobility continues to surge, the Silver Fish Electric Bike Battery has emerged as one of the most trusted and versatile power solutions for modern electric bicycles. Known for its sleek, slender aluminum casing and “plug-and-play” convenience, this battery style is a favorite among manufacturers and commuters alike. At Long Sing Energy, we have refined the internal architecture of the Silver Fish Electric Bike Battery to deliver higher energy density and a longer lifecycle, ensuring your e-bikes remain on the road longer with fewer maintenance requirements.
Technical Architecture & Capacity Options
Our battery packs are built using premium-grade 18650 lithium-ion cells, specifically selected for their high discharge capabilities and thermal stability. We offer a wide range of configurations to suit various motor power requirements, typically ranging from 250W to 750W.
- Core Technology: High-quality 3.7V NCM (Nickel Cobalt Manganese) Lithium-ion cells.
- Voltage Configurations:
- 36V System (10S): Designed for standard city commuters and folding bikes.
- 48V System (13S): Engineered for high-torque applications and mountain e-bikes requiring more “punch.”
- Capacity Models: We provide several capacity tiers to meet different range expectations:
- 10Ah: Lightweight and cost-effective for short-range urban trips.
- 15Ah: The balanced “sweet spot” for daily commuting.
- 20.4Ah: High-capacity long-range version utilizing high-density cells for extended adventures.
- Integrated BMS: Every Silver Fish Electric Bike Battery features an intelligent Battery Management System (BMS) that protects against overcharging, over-discharging, short circuits, and overheating.
Versatile Application Scenarios
The universal “Silver Fish” design is highly adaptable, making it a staple in the light electric vehicle (LEV) industry. Beyond standard bicycles, our customers utilize the Silver Fish Electric Bike Battery for:
- Step-Through City E-Bikes: Vertical installation behind the seat tube for perfect weight distribution.
- Folding Electric Bikes: Compact enough to fit within the folding frame geometry of modern portable designs.
- Electric Scooters and Trikes: Providing stable 36V or 48V power for multi-wheel configurations.
- E-Bike Rental Fleets: The durable aluminum housing and easy-lock mechanism make it ideal for high-frequency swap-and-go rental operations.


Why Choose Long Sing Energy Factory?
Sourcing your Silver Fish Electric Bike Battery directly from Long Sing Energy provides your business with a significant competitive advantage. We aren’t just a supplier; we are a dedicated manufacturing partner focused on your success.
- Factory-Direct Precision: By eliminating middlemen, we provide the most competitive wholesale pricing while maintaining strict oversight of the production line.
- Advanced Testing Protocols: Every unit undergoes 100% capacity grading and automated vibration testing to ensure it survives the rigors of daily road use.
- Customization (OEM/ODM): Need a specific discharge connector, a custom-branded label, or a unique BMS communication protocol (like CANBUS or RS485)? We specialize in tailoring the Silver Fish Electric Bike Battery to your specific airframe or motor controller.
- International Compliance: Our factory is ISO9001 certified, and our battery packs carry CE, RoHS, UN38.3, and MSDS certifications, facilitating seamless global distribution and safety compliance.
Power Your Vision Today
Elevate your e-bike performance with a power source that combines safety, longevity, and high energy density. Whether you are a brand owner looking for a reliable OEM manufacturer or a wholesaler seeking consistent quality for your inventory, Long Sing Energy is ready to deliver.
Interested in wholesale pricing or custom configurations?
We invite you to fill out the inquiry form below. Please include your required voltage, capacity, and estimated order volume. Our dedicated project managers will reach out within 24 hours with a comprehensive quotation and technical data sheet for our Silver Fish Electric Bike Battery series. Let’s drive the future of green mobility together.








