Eco-Tad Electric Conversion Kit – 500W (Battery Included)

• Designed specifically for the Sun Eco-Tad SX
• Complete electric conversion system with battery included
• Smooth pedal-assist and throttle-on-demand
• Tuned for stable, predictable tadpole-trike operation
• Battery mounting hardware included for clean installation as shown

A purpose-built electric conversion system engineered specifically for the Sun Eco-Tad SX tadpole trike, combining efficiency, comfort, and confident handling for everyday riding.

Convert Your Sun Eco-Tad SX to Electric

The E-BikeKit™ Eco-Tad SX Conversion Kit includes model-specific components designed to integrate cleanly with the Eco-Tad’s tadpole layout and direct-steering geometry, preserving stable handling while adding smooth electric assist.

This system is engineered to deliver smooth, controlled electric assist that complements the Eco-Tad’s recumbent design. Power delivery is optimized for easy starts, predictable acceleration, and efficient cruising—important qualities for comfortable and confident three-wheel riding.

The conversion integrates cleanly with the trike’s frame and controls, providing electric assistance without compromising balance, comfort, or ride quality.

Included components:

• Eco-Tad–specific motorized rear wheel
• 48V controller with pedal-assist support
• Pedal-assist sensor
• Thumb throttle
• Locking parking brake levers
• Required wiring harnesses and installation hardware
• 48V lithium battery and charger
• Battery mounting hardware (as shown in product photos)

Battery mounting: This system includes the battery mounting hardware shown in the product photos, allowing the battery to be positioned securely on the trike with proper weight distribution and a clean, integrated appearance.

Who is this kit for? This system is ideal for Eco-Tad SX riders who want efficient electric assist, lighter effort pedaling, and smooth performance on a tadpole-style recumbent trike. The total system load limit is 300 lbs.

If you already own a compatible battery and need this system without one, please contact us before ordering.

• System power: 500W nominal
• System voltage: 48V
• Assist modes: Pedal assist and throttle
• Estimated range: 15–30 miles (terrain, assist level, and riding style dependent)
• Total load limit: 300 lbs

This conversion system includes a 48V lithium-ion battery with a built-in mounting rail and the mounting hardware shown in the product photos.

Battery placement is optimized for the Eco-Tad SX frame to provide balanced handling and a clean installation. No additional battery mounting hardware is required.

If you have questions about battery placement or compatibility with your specific trike configuration, we recommend contacting us before ordering.

Learn more: Top 25 Frequently Asked Questions

Questions? Call us toll-free at 1-866-882-3245, Monday–Friday, 9am–5pm EST, or email support@ebikekit.com.

Battery shipping: Lithium-ion batteries ship separately via FedEx Hazmat and may require a delivery signature. It is normal for the kit, battery, and mounting hardware to arrive on different days.