Hercules 48V 20Ah Lithium-Ion E-Bike Battery

Overview

Upgrade your e-bike with the Hercules 48V 20Ah UL Certified Lithium-Ion Battery. Built using premium 21700 lithium-ion cells, this high-capacity battery delivers dependable power, extended riding range, and long service life for demanding riders.

Designed for compatibility with Hercules battery systems, this battery is ideal for replacing worn-out batteries or increasing ride time on compatible electric bicycles.

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Specifications

• Voltage: 48V
• Capacity: 20Ah
• Energy: 960Wh
• Cell Type: Premium 21700 Lithium-Ion Cells
• Certification: UL Certified
• Battery Management System: Integrated Smart BMS
• Charging Voltage: 54.6V
• Battery Style: Integrated Downtube Battery
• Color: Black
• Condition: Brand New

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Features

• Premium 21700 lithium-ion cells
• High-capacity 960Wh battery
• UL Certified for safety
• Smart Battery Management System
• Long cycle life
• Excellent power delivery
• Lightweight aluminum battery housing
• Lockable removable battery
• Integrated charge indicator
• Weather-resistant construction

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Estimated Riding Range

Actual range varies based on rider weight, terrain, assist level, tire pressure, and weather.

Typical range:

• Eco Mode: 50–80 miles
• Normal Mode: 35–60 miles
• High Assist: 25–40 miles

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Compatible With

Compatible with bicycles designed for the Hercules integrated battery platform.

If you're unsure whether this battery fits your bike, contact EMP before ordering. We'll verify compatibility using photos of your existing battery and bike.

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Included

• Hercules 48V 20Ah Battery
• Battery Keys
• Battery Mounting Hardware (if applicable)
• User Documentation

Charger sold separately unless otherwise stated.

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Safety Features

• Overcharge Protection
• Over-discharge Protection
• Short Circuit Protection
• Overcurrent Protection
• Temperature Protection
• Cell Balancing Technology

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Why Buy From EMP?

• U.S. Based Support
• Fast Shipping
• Battery Compatibility Assistance
• Professional Customer Service
• Premium Quality Batteries
• Expert E-Bike Battery Specialists

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Shipping

• Ships from the United States
• Professionally packaged
• Hazmat compliant shipping
• Tracking provided after shipment

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Warranty

1-Year Limited Warranty

Warranty covers manufacturing defects under normal use.

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Frequently Asked Questions

Will this fit my bike?

This battery is designed for compatible Hercules battery systems. Contact us with photos before ordering if you're unsure.

Does it include a charger?

Unless otherwise specified, the charger is sold separately.

Is this battery UL Certified?

Yes. This battery is UL Certified and built with premium lithium-ion cells.

How long will it last?

Most riders can expect 800–1,000 charge cycles with proper care.