Controller for Rad Power Bikes RadMini 4 High-Step (2020-2022, external battery)

2 possible matches. Change part

No verified replacement found yet

Nothing is confirmed for this bike yet. The parts below look like matches on the specs, but no manual, manufacturer page or seller states the fit. Check the connector and the voltage on your own bike before ordering.

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Possible matches — not confirmed for this bike

Probably compatible

Guide is titled '2019/2020 RadMini' and does not use the name 'RadMini 4'; RadMini 4 is the 2020-2022 generation so it is almost certainly this controller, but the guide does not say so explicitly.

Illustration

2019/2020 RadMini (RadMini 4) controller

Bike checked
Rad Power Bikes · RadMini 4 · High-Step (2020-2022, external battery)
Part
ControllerOEMRad Power Bikes
Reference
No public part number

Part page

Detailsspecifications and connector
Connector
Round threaded/keyed Rad connectors ('internal notch and pins, external arrows')

Guide titled '2019/2020 RadMini and RadMini Step-Thru'; controller on downtube above bottom bracket (HS) or seat tube (ST), four bolts/two brackets. No specs/part number.

Source: Rad Power Bikes support: 2019/2020 RadMini (RadMini 4) controller replacement guide

Last verified Sep 8, 2026 · 0 owners confirmed, 0 reported a problem

Where to buy

No seller listed yet for this part.

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Did this part work on your bike?

No owner has reported on this one yet.

Probably compatible

Area 13 lists 'Mini (2018 and prior; may require different mounting)'; Bolton KB says RadMini is plug and play for most models but the controller will not fit inside the frame. RadMini 4 (2020+) not explicitly listed.

Illustration

Area 13 / Bolton Ebikes Rad Upgrade Kit - 35 A controller + color LCD8H display

Bike checked
Rad Power Bikes · RadMini 4 · High-Step (2020-2022, external battery)
Part
ControllerAftermarketArea 13 Ebikes (Bolton Ebikes)
Reference
No public part number

Part page

Detailsspecifications and connector
Voltage
48 V
Output
35 A
Connector
Rad motor cable plug-and-play; unused tail-light plug
Protocol
Paired with included KT-style color LCD8H display (must be used together)

Page: 'Compatible with both 48v and 52 batteries. (NOT recommended for 60v)'. Plug and play: 2016-2018 Rover, 2019-2021 Rover (up to Rover 5), Runner, Runner Plus, Mission, RadExpand 5 (cadence). Limited: Mini 2018 and prior, older City/Wagon untested. 'Does not work' with Rover 6 Step Over & Step Through, RadWagon 5. Bolton KB: RadMini controller 'substantially larger than stock and will not fit inside the frame'; RadRunner 'tested and working (minus tail light)'.

Source: Area 13 Ebikes 'Upgrade Kit Rad Radpower' product page + Bolton Ebikes KB

Last verified Sep 8, 2026 · 0 owners confirmed, 0 reported a problem

Where to buy

Out of stock everywhere we checked · last recorded price $229

  • Area 13 Ebikes
    AftermarketOut of stock
    Checked Sep 8, 2026
    $229
    See listing

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Did this part work on your bike?

No owner has reported on this one yet.