35A Controller & KT-LCD8H Compatible Upgrade Kit for Rad Power Bikes (Radrunner 1/2, Radcity 3/4, Radwagon 3/4，Radrover 5, Radmini 4, RadRhino, RadExpand 5)

COMPATIBILITY & FITMENT GUIDE

Compatible Models (100% Plug and Play):
• RadRover: 2016–2018 RadRover, 2019–2021 RadRover 5
• RadRunner: RadRunner 1, RadRunner 2, RadRunner Plus
• RadExpand: RadExpand 5
• RadMission: Compatible (Recommended: lower max power setting via display)
• RadCity & RadWagon: Legacy pin controller models (RadCity 3/4, RadWagon 3/4)
• Regional Variants: Fully compatible with European (RadRhino) and Canadian spec models (except Rover 6)

Incompatible Models:
❌ NOT Compatible with RadRover 6 Plus (Step-Through or Step-Over)

Voltage & Battery Specs:
• Supported Battery Voltage: 48V and 52V systems
• Incompatible Voltage: NOT recommended for 60V batteries

Compatibility & Lighting Specs：

 Universal Fitment:** 100% plug-and-play for Rad Power models up to Rover 5. (Not compatible with Rover 6).

Full Rear Lighting Sync:** Restores full plug-and-play functionality for your factory tail light, including high-brightness brake lights

Headlight Safety Note: Do not connect high-wattage aftermarket headlights directly to the controller, as it can overload the stock lighting circuit.

Want High-Power Lights：To safely upgrade to heavy-duty headlights, please purchase our optional **SurgeGlide Headlight Signal Module** Model: TLC06 It supports 10-100V wide voltage and isolates high current to protect your system.

### Fitment & Compatibility Guide (Mini, City & Wagon)

 * **RadMini & RadExpand:** 100% original location installation. Designed with a compact profile ($135x60x45mm), it fits perfectly inside your stock mounting tray without any frame interference.

* **RadCity & RadWagon (Up to Wagon 4): Fully tested and verified （City1-4，Supports regen braking on stock direct-drive motors）. Provides seamless plug-and-play compatibility with no extra mounting hardware or tuning required. (Note: Not compatible with the new RadWagon 5).

* **Factory-Matched Plugs:** Comes with standard, exact-fit battery and power connectors for your specified model year—zero wiring modifications needed.

SurgeGlide Ultra 35A Performance Upgrade controller for Rad Power & Premium E-Bikes

Take your e-bike to the next level with the new-generation SurgeGlide Ultra 35A Performance Upgrade Kit. Designed for Rad Power and compatible premium e-bikes, this complete plug-and-play system delivers stronger acceleration, improved hill-climbing performance, advanced customization, and enhanced reliability.

Core Upgrades

35A FOC Sine-Wave Controller with Dual-Mode Adaptive Technology

Experience true FOC (Field-Oriented Control) vector control for whisper-quiet operation and exceptionally smooth acceleration.

The dual-mode adaptive system features motor self-learning technology that automatically matches and optimizes controller settings for your motor, ensuring maximum efficiency and

🎬 [Watch Our Step-by-Step Motor Self-Learning Guide on YouTube]

👉performance.https://youtube.com/shorts/rBJy5YsP3cU?is=6IJ9DCibaUEaf4gF

Military-Grade Full Potting Protection

Built with industrial-grade heavy potting compound for complete internal sealing.

Features:

• IP67 waterproof protection
• Salt-spray corrosion resistance
• Dust and moisture protection
• Designed for all-weather riding conditions

Ride confidently through heavy rain, wet roads, and demanding environments.

Heavy-Duty High-Current Phase Wires

Upgraded extra-thick phase wires are engineered to handle sustained high-current loads.

Benefits include:

• Improved power delivery
• Reduced heat buildup
• Enhanced durability
• Protection against burned connectors and melted wiring during aggressive riding or steep hill climbs

Next-Generation Color LCD Display & Bluetooth App Tuning

The included high-definition color LCD display provides clear ride data and advanced system control.

Bluetooth app integration allows riders to customize:

• PAS levels
• Speed limits
• Firmware settings
• Ride characteristics
• Individual gear speed settings

Ultra-Compact Design

Despite its powerful 35A output, the controller maintains a compact profile:

135mm × 60mm × 45mm

Perfect for installations where space is limited, including battery trays and compact controller compartments.

Professional Safety Features

Fully CE Certified and equipped with advanced safety systems including:

• Throttle Runaway Protection

• Motor Protection Logic

• System Monitoring Functions

• Regenerative Braking Support (Direct Drive Motors)

100% Plug-and-Play Installation

Designed as a true zero-cut upgrade.

Custom-matched waterproof connectors plug directly into your factory wiring harness.

No cutting.
No splicing.
No crimping.

Typical installation can be completed in approximately 15 minutes.

Package Includes

• 35A FOC Sine-Wave Controller
• Color LCD Display
  
• Bluetooth App Support

Compatibility

Compatible with select Rad Power and premium e-bike models using matching connector systems.

Please verify connector compatibility before purchase.

Plug and play e-bike controller kit

Bluetooth app tunable e-bike controller

35A FOC controller for premium e-bikes

Perfect replacement for standard KT-LCD8H and Area 13 35A combos, but with upgraded FOC silent technology