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
Where to Find
Prices tracked across 1 seller* Shipping estimates are for the contiguous US and may vary by location.
* This page contains affiliate links. WattWorks may earn a commission at no extra cost to you. Learn more
Price History
Current best price $7.08. Over the past 90 days: low $7.08, high $7.39, average $7.38 — down 4% vs average.
- AliExpress - HN 3C Part Store
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
AliExpress - HN 3C Part Store(2 records) | |||||||||
| Jun 11, 202607:50 AM | $7.08 | $1.99 | $9.07 | $0.31 | — | — | — | Yes | active |
| May 4, 202609:21 AM | $7.39 | $1.99 | $9.38 | Initial | — | — | — | Yes | active |
Reviews
No reviews yet — be the first to share your experience.
Sign in with Google to leave a review.
Specifications
Specifications
- Type
- Thumb
- Power Switch
- Yes
- Battery Indicator
- Yes
- Output Voltage
- 0.8–4.2V
Ports & Connectors
| Pin | Wire color | Function |
|---|---|---|
| 1 | Blue | Power Switch Signal |
| Pin | Wire color | Function |
|---|---|---|
| 1 | Yellow | Battery + |
![Generic Full Twist Throttle [3-pin JST SM]](https://cdn.wattworks.bike/products/a8365e57-64fe-48ee-9b24-a8379b5e41e6/1772529107526_128.webp)