• A black rectangular electronic motor controller with a ribbed metal casing, a white product label, and multiple multicolored wires with connectors, shown on a plain white background.
  • A black rectangular brushless motor controller with multicolored wires and connectors, shown on a white background with promotional text reading 'High Current Output' and '1000W-2000W'. The Gaqgee logo is visible in the top left.
  • A black rectangular electronic controller or inverter with ribbed metal sides, a white specification label, and multicolored wiring coming out on the right. Text at the top reads 'Wide voltage range' and 'Supports 36V to 60V, accommodating various battery configurations.
  • A black rectangular brushless motor controller with attached multicolored wiring and connector plugs, shown on a white background with text stating it supports SM series connectors and is compatible with mainstream Protocol 2.
  • A black electronic motor controller with multiple multicolored wires and connectors, shown on a white background with promotional text at the top reading 'Quieter Operation'.
  • A black rectangular aluminum electronic controller with a ribbed surface and a bundle of multicolored wiring connectors, shown on a white background with the text 'Weatherproof' and 'Aluminum alloy housing effectively blocks external moisture and rain'.
  • Two black rectangular electronic controller units with attached multicolored wiring harnesses, shown on a plain white background.
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Charge My E-Bike

Gaqqee 40A Sine Wave Controller | ChargeMyEBike

Gaqqee 40A Sine Wave Controller | ChargeMyEBike

$75.12 USD
$25.04 USD $75.12 USD
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Gaqqee 40A Sine Wave Brushless Motor Controller – 1000W–2000W eBike Controller

Upgrade a compatible electric bike or electric scooter with the Gaqqee 40A Sine Wave Brushless Motor Controller. Designed for brushless motor systems, this controller is listed for 1000W–2000W applications and features an aluminum housing for a compact installation.

The controller is advertised for use with a Protocol 2 LCD instrument. Before ordering, verify your battery voltage, motor specifications, LCD protocol, wiring connections, and controller dimensions to help ensure compatibility with your existing setup.

Key Features

  • 40A Controller: Advertised with a 40A current rating. Confirm whether this is the continuous or peak current rating with the supplier.

  • Sine Wave Technology: Designed to provide smooth brushless motor control when matched with a compatible motor and system.

  • 1000W–2000W Applications: Listed for electric bicycles and other compatible electric-drive setups within the controller's verified electrical limits.

  • Multiple Voltage Options: The product title references 36V, 48V, 52V, and 60V systems. Confirm the exact supported voltage before purchasing.

  • Protocol 2 LCD Compatibility: Listed for a Protocol 2 LCD instrument. Display compatibility depends on the controller's communication protocol and wiring.

  • Aluminum Housing: Compact metal enclosure measuring approximately 18.5 × 8.7 × 4 cm.

  • DIY Replacement or Upgrade: Suitable for compatible repair and conversion projects where the motor, battery, display, and wiring match the controller.

Product Specifications

Specification Details
Brand Gaqqee
Model/listing designation Protocol 2 LCD
Controller type Sine wave brushless motor controller
Advertised current 40A
Listed power range 1000W–2000W
Voltage in product title 36V / 48V / 52V / 60V
Voltage in specification field 36V / 48V / 64V
Housing material Aluminum
Dimensions Approximately 18.5 × 8.7 × 4 cm
LCD instrument Protocol 2, compatibility to be confirmed
Certification listed CE
Intended use Compatible with electric bicycle and brushless motor systems

Check Compatibility Before Ordering

Motor controllers are not universally interchangeable. Before selecting this controller, compare the following with your current system:

  1. Battery voltage: Confirm the exact nominal voltage and fully charged voltage your controller supports.

  2. Motor power and phase wiring: Check the motor's rated power, phase wires, and Hall sensor connections, if applicable.

  3. Display protocol: Ensure your LCD uses the correct communication protocol for this controller.

  4. Connector and wiring layout: Match the throttle, brake cutoffs, motor, battery, display, and other connectors against the supplier's wiring diagram.

  5. Current limits: Confirm that the controller's battery current and motor current are appropriate for your battery's BMS, wiring, and motor.

A 40A controller can draw substantial current from a battery. For example, 40A at 48V is approximately 1,920W of nominal electrical input, before losses. Actual power depends on battery voltage under load and the controller's configured current limits.

Frequently Asked Questions

Is this controller compatible with 52V batteries?

The product title lists 52V, but the specification field does not clearly confirm it. Ask the supplier to verify the exact battery voltage range and maximum input voltage before connecting a 52V battery.

Can it run a 1000W or 2000W motor?

The listing advertises a 1000W–2000W application range. Actual compatibility depends on the motor, battery voltage, current settings, cooling, and wiring.

Will it work with any LCD display?

No. The listing references a Protocol 2 LCD instrument. The exact display model and communication protocol must match.

Is it suitable as a replacement controller?

It may be suitable if the electrical ratings, connectors, wiring, and display protocol match your existing system. Compare the original controller label and wiring diagram before ordering.

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Product Features:
1. Wide Voltage Range: Supports 36V to 60V, accommodating various battery configurations
2. High Current Output: Maximum 40A current meets high-power demands
3. Utilizes premium black gold materials and sine wave drive algorithm for quieter operation and higher efficiency
4. Supports SM series connectors, compatible with mainstream Protocol 2 for seamless integration with LCD instrument panels
5. Waterproof design withstands wind and rain; aluminum alloy housing effectively blocks external moisture and precipitation


Parameter:
Material: Aluminum Alloy
Operating Voltage: 36V/48V/64V
Peak Rated Power: 1000-2000W
Current: 40A
Housing Dimensions: 18.5*8.7*4cm
MOSFET: HY3410
Functions: Headlight Power (Light), Throttle, Protocol 2 Display (Display), 6-pin Hall Sensor (Hall), Dual Low Brake (E-brake), Power Assist (PAS), Learning Mode (Self-study)


Package includes:
Electric Vehicle Controller*1



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