Name: RadRunner Range Extender
Brand: Rad Power Bikes
SKU: 200-00340
Price: 249.0 USD
Availability: InStock

A black range extender mounted on a green electric bike.

Black ebike range extender with battery installed and key hanging from the bottom.

The right side of a green bike with a range extender under the rear rack.

The right side of a black electric bike with a range extender and battery installed under the rear passenger seat.

A close up shot of a range extender installed under the rear rack of an ebike that has a basket mounted on it.

A RadRunner range extender installed on a green ebike which has a basket mounted on it holding camping gear.

A close up of a Safe Shield battery in a range extender on a bike ebike.

RadRunner Range Extender

$249

Estimated by May 7th

Unlock your ebike’s full potential. Compatible with select models, the Range Extender lets you add a second battery to ride longer, double your distance, or take it even further.

Free shipping*

2-year warranty

*Shipping fees and restrictions may apply in Alaska and Hawaii, see checkout.

Compatible with RadRunner Plus (MY2025), RadRunner Max, and RadRunner 3 Plus.
Compatible batteries include Safe Shield™ Advanced Semi-Integrated Battery (15 Ah), Safe Shield™ Semi-Integrated Battery (14 Ah)
Compatible accessories include all pannier bags, hardshell locking box, passenger seats, passenger bars, caboose, and Thule Yepp Maxi child seats. Not currently compatible with Rad Fat Tire Wheel Lock

Comes with mounting bracket, a lockable battery enclosure, a battery doubler (pre-installed onto the mounting bracket), 2 foldable keys, 2 sets of 2 extension wires, 2 sets of hardware kits, a hex head L-Key (Allen Wrench), an open faced wrench, 2 rubber bumper pads, 6 zip ties, and an instruction manual. Battery is sold separately
Bike battery and range extender battery will need to be charged separately. To charge both simultaneously, use a second Rad Battery Charger (sold separately)

RadRunner Range Extender

Overview

Say goodbye to range anxiety. Add a second battery (sold separately) and you can ride well over 100 miles without stopping to recharge.

Designed for the RadRunner Plus (MY2025), RadRunner 3 Plus, and RadRunner Max, the Range Extender doesn’t just boost your range — it makes your ebike dual-battery capable. That means reduced strain and improved long-term battery life through smarter power distribution.

In a hurry? Your ebike can still run on just one battery, so you’re never stuck waiting to charge both. And for even more convenience, you can mix and match 14Ah and 15Ah Rad batteries so you can customize your setup for the range you need.