Step-down DC-DC voltage converter for electric motorcycles and scooters. Converts pack voltage (48-72V) to 12V for powering accessories — headlights, tail lights, turn signals, horn, and display backlighting. Aluminum heatsink housing with over-current, short-circuit, and low-voltage protection. 3-wire connection: red (pack voltage input), yellow (12V output), black (ground). 10A / 120W continuous output.
Specs verified Jun 4, 2026
Where to Find
Prices tracked across 2 sellers* Shipping estimates are for the contiguous US and may vary by location.
Price History
Current best price $5.00. Over the past 90 days: low $5.00, high $6.93, average $5.97 — down 16% vs average.
- AliExpress - SIAECOSYS Electric Drive Store
- QS Motor
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
AliExpress - SIAECOSYS Electric Drive Store(1 record) | |||||||||
| May 12, 202604:18 AM | $6.93 | $18.76 | $25.69 | Initial | — | — | — | Yes | active |
QS Motor(1 record) | |||||||||
| May 12, 202604:18 AM | $5.00 | — | $5.00 | Initial | — | — | — | Yes | active |
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Specifications
Specifications
- Type
- DC-DC Converter
Physical
- Weight
- 600 g
- Dimensions (L×W×H)
- 100mm × 50mm × 50mm
Ports & Connectors
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | Battery + |
| 2 | Yellow | 12V Power |
| 3 | Black | Ground |





