36v 48v 52v 60v 72v SilverFish Lithium-Ion Battery
36v 48v 52v 60v 72v SilverFish Lithium-Ion Battery
SUTENAI Universal SilverFish Lithium-Ion E-Bike Battery Series –
Multi-Voltage Configurations (36V / 48V / 52V / 60V / 72V Systems) & Capacity Options Up to 60Ah (Compatible with Duotts S26, Folding Frame Bikes, Bafang Motors & Urban Commuters)
Upgrade or replace your electric bike power source with the SUTENAI Universal SilverFish Lithium-Ion Battery Series. Housed in a classic, heavy-duty aluminum SilverFish slide-in casing, this battery mounts vertically behind the seat tube on standard folding e-bikes, cargo platforms, and models like the Duotts S26.
Available in multiple operating voltages ranging from 36V up to high-output 72V with capacities up to 60Ah, the SUTENAI SilverFish line supports motors from 250W up to 3000W+. Every pack features a key-locking security mechanism, integrated Smart BMS cell balancing, and a top-carry handle for indoor charging convenience.
⚠️ System Voltage & Controller Matching Notice
IMPORTANT SELECTION & COMPATIBILITY GUIDELINES:
Matching Voltages: Always ensure your selected battery voltage ($36\text{V}, 48\text{V}, 52\text{V}, 60\text{V}, \text{or } 72\text{V}$) strictly matches your e-bike motor controller's rated operating voltage.
Standard Dimensions: Measures $385 \times 110 \times 75\text{ mm}$. Verify your bike's vertical seat-tube rail clearance prior to ordering.
Duotts S26 / Standard Fitment: Direct replacement option for 48V 20Ah / 30Ah SilverFish style frames.
🚀 Key High-Performance Features
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Universal SilverFish Form Factor: Heavy-duty aluminum housing provides thermal heat dissipation, weatherproofing, and impact resistance.
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High-Density Lithium-Ion Cell Array: Engineered using premium A-grade cells for long cycle life (1,000+ charge cycles) and minimal voltage drop under acceleration.
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Integrated Smart BMS: Built-in circuit safeguards prevent overcharging, over-discharging, current overloads, thermal spikes, and short circuits.
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Integrated Anti-Theft Lock & Removable Rail: Includes a keyed lock cylinder to prevent unauthorized removal from your bike frame.
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Multi-Voltage Support (36V to 72V): Wide range of options from light urban commuters to high-voltage, high-torque custom builds.
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1-Year SUTENAI Warranty Protection: Backed by a full 1-year manufacturer warranty against functional defects and quality issues.
📊 Technical Specifications Matrix
| Specification Parameter | SUTENAI SilverFish Battery Series |
| Brand Name | SUTENAI |
| Housing Style | SilverFish Vertical Slide-In (Aluminum) |
| Cell Format | High-Density Lithium-Ion Cells |
| Nominal Voltage Options | 36V | 48V | 52V | 60V | 72V DC |
| Capacity Configurations | 13Ah, 20Ah, 30Ah, 40Ah, 50Ah, 60Ah |
| Motor Compatibility | 250W – 3000W+ Drive Systems |
| Case Dimensions ($L \times W \times H$) | $385 \times 110 \times 75\text{ mm}$ |
| Safety Certification | CE Certified, Smart BMS Protection |
| Warranty | 1-Year Manufacturer Warranty |
📋 Ideal Applications
The SUTENAI SilverFish Lithium Series is engineered for:
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Folding Electric Bikes (Seat-Tube Mounted SilverFish Batteries)
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Duotts S26 & Similar 48V All-Terrain Fat Tire E-Bikes
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Bafang Mid-Drive & Rear Hub Motor Conversions (250W–3000W)
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High-Voltage 60V / 72V Custom E-Bike & Delivery Moped Builds
🚚 Shipping & Transit Information
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European & North American Orders: Delivery typically takes ~30 days via specialized battery transport freight.
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Asian Regional Orders: Delivery takes approximately ~20 days.
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Specialized Hazmat Freight: Batteries are shipped via dedicated express channels equipped for lithium transport.
📦 Package Contents
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1 x SUTENAI SilverFish Lithium-Ion Battery Pack (Selected Voltage & Capacity)
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2 x Anti-Theft Security Lock Keys
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1 x Discharge Terminal Mount Rail & Harness
Power your ride with high-capacity SilverFish energy. Select your voltage and capacity options above, click Add to Cart, and order today!
36V Samsung Electric Bike Battery Specifications:
Rated voltage: 36V
Rated capacity: 23AH/30Ah/35AH/40AH/50AH/60AH
Battery: Built-in Samsung battery
Model Number: Electric Scooter/Electric Bike/Lithium-ion Battery
Battery size: 385mm x 110mm x 75mm
Battery weight: about 4 kg.
Charging method: CC/CV.
Standard Charging Current: 3A.
Maximum continuous charging current: 5A.
BMS: 90 A max., 100±10 A max
Charging voltage: 42V
Discharge cut-off voltage: 29.8V
Suitable motor power: 250W-2000W
Cycle life: 1500 times
Charging temperature: -15-65°C
Discharge temperature: -15-65°C
Protection functions: overcharge, overdischarge, overcurrent, short circuit, balance
(Note: The motor voltage needs to be the same as the battery voltage)
48V Samsung Electric Bike Battery Specifications:
Rated voltage: 48V
Rated capacity: 20ah/24AH/30Ah/35AH/40AH/50AH/60AH
Battery: Built-in Samsung battery
Model Number: Electric Scooter/Electric Bike/Lithium-ion Battery
Battery size: 385mm x 110mm x 75mm
Battery weight: about 4.5 kg.
Charging method: CC/CV.
Standard Charging Current: 3A.
Maximum continuous charging current: 5A.
BMS: 90 A max., 100±10 A max
Charging voltage: 54.6V
Discharge cut-off voltage: 39.2V
Suitable motor power: 250W-2000W
Cycle life: 1500 times
Charging temperature: -15-65°C
Discharge temperature: -15-65°C
Protection functions: overcharge, overdischarge, overcurrent, short circuit, balance
(Note: The motor voltage needs to be the same as the battery voltage)
52V Samsung Electric Bike Battery Specifications:
Rated voltage: 52V
Rated capacity: 20ah/25AH/30Ah/35AH/40AH/50AH/60AH
Battery: Built-in Samsung battery
Model Number: Electric Scooter/Electric Bike/Lithium-ion Battery
Battery size: 385mm x 110mm x 75mm
Battery weight: about 4.5 kg.
Charging method: CC/CV.
Standard Charging Current: 3A.
Maximum continuous charging current: 5A.
BMS: 90 A max., 100±10 A max
Charging voltage: 58.8V
Discharge cut-off voltage: 42.2V
Suitable motor power: 250W-2000W
Cycle life: 1500 times
Charging temperature: -15-65°C
Discharge temperature: -15-65°C
Protection functions: overcharge, overdischarge, overcurrent, short circuit, balance
(Note: The motor voltage needs to be the same as the battery voltage)
60V Samsung Electric Bike Battery Specifications:
Rated voltage: 60V
Rated capacity: 20ah/30Ah/40AH/50AH
Battery: Built-in Samsung battery
Model Number: Electric Scooter/Electric Bike/Lithium-ion Battery
Battery size: 385mm x 110mm x 75mm
Battery weight: about 4.5 kg.
Charging method: CC/CV.
Standard Charging Current: 3A.
Maximum continuous charging current: 5A.
BMS: 90 A max., 100±10 A max
Charging voltage: 67.2V
Discharge cut-off voltage: 48V
Suitable motor power: 250W-2000W
Cycle life: 1500 times
Charging temperature: -15-65°C
Discharge temperature: -15-65°C
Protection functions: overcharge, overdischarge, overcurrent, short circuit, balance
(Note: The motor voltage needs to be the same as the battery voltage)
72V Samsung Electric Bike Battery Specifications:
Rated voltage: 72V
Rated capacity: 25Ah/30Ah/35Ah/40AH/50AH/60Ah
Battery: Built-in Samsung battery
Model Number: Electric Scooter/Electric Bike/Lithium-ion Battery
Battery size: 385mm x 110mm x 75mm
Battery weight: about 4.5 kg.
Charging method: CC/CV.
Standard Charging Current: 3A.
Maximum continuous charging current: 5A.
BMS: 90 A max., 100±10 A max
Charging voltage: 84V
Discharge cut-off voltage: 60V
Suitable motor power: 250W-2000W
Cycle life: 1500 times
Charging temperature: -15-65°C
Discharge temperature: -15-65°C
Protection functions: overcharge, overdischarge, overcurrent, short circuit, balance
(Note: The motor voltage needs to be the same as the battery voltage)
Lithium battery features:
1. Life expectancy is two times that of lead-acid batteries. The weight is lighter
2.No memory effect and rechargeable. The battery life is longer
3. Safer and more environmentally friendly, no heavy metals and hazardous substances.
4. Built-in IC chip will prevent battery pack overcharge, overdischarge, over-current,over-heat, short circuit
5. Avoiding mechanical accidents caused by vibration.
New 36v/48V/52v/60v/72v large capacity lithium-ion battery, suitable for high-power motors 250W 500W 750W 1000W 1500W 2000W 2500W 3000W, built-in Samsung battery, imported high-quality battery, large capacity, long use time, used to modify mountain bikes/electric bikes/robots, long cruising range, with charger
Precautions for battery use:
1. Before first use, please fully charge the battery.
2. Do not immerse the battery in water or get the battery wet!
3. Do not reverse the positive and negative poles, or short-circuit the battery with wires or other metallic objects!
4. Do not nail, knock, step on the battery, or disassemble the battery and battery pack in any way!
5. It is forbidden to put the battery in the microwave oven, pressure vessel, or fire source!
6. If the battery emits odor, heat, deformation, discoloration, or any abnormal phenomena, please stop using it immediately!
7. Do not use the battery in direct sunlight or a high-temperature environment. Otherwise, the battery pack will overheat, affecting battery performance and shortening battery life!
8. The battery pack and charger should be stored in a clean, dry, ventilated place, avoid contact with corrosive substances, and be kept away from fire and heat sources.
9. When the battery pack is to be stored for a long time, please charge the battery pack to about 50% capacity and store it in a dry and ventilated place, and charge it for 2 to 3 hours every 3 months.
10. If you have any questions about product quality, please contact us by email immediately; we will try our best to solve these problems!
Details
This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.
Shipping & Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.
We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.
