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Generic Thumb Throttle with Voltage Display & Key Switch

Thumb throttle with integrated key-operated power switch and digital LED voltage display. The green LED readout shows real-time battery voltage (12V–72V range), compatible with lithium-ion, LiFePO4, and lead-acid battery systems. Mounts on standard 22.2mm handlebars. Includes 2 keys. Wiring terminates in a 3-pin SM connector (throttle signal + power switch) plus 2 female spade terminals (power input).

In brief: Thumb throttle. From $7.

Specs verified Jun 11, 2026

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Specifications

Specifications

Type
Thumb
Power Switch
Yes
Battery Indicator
Yes
Output Voltage
0.8–4.2V

Ports & Connectors

Power Switch Signal
Power Switch
PinWire colorFunction
1BluePower Switch Signal
Battery Positive
PinWire colorFunction
1YellowBattery +

Included Components

Frequently Asked Questions

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