Generic Voltmeter Key Switch [JST SM]
Key power switch rated for 99V. Compatible with 12V–99V systems including lead-acid and lithium batteries, with digital voltage display.
In brief: Power switch. Rated to 99V. From $6 across 2 sellers.
Specs verified May 29, 2026
Where to Find
Prices tracked across 3 sellersAliExpress - Outdoor New Life Store
$5.52 + $1.99 shipping
AliExpress - Stone's Store
$8.91 + $1.99 shipping
AliExpress - VASTFIRE Lighting Store
Out of stock* Shipping estimates are for the contiguous US and may vary by location.
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Price History
Price History
Price changes tracked by the crawler
Current best price $5.52. Over the past 90 days: low $5.21, high $14.35, average $8.84 — down 38% vs average.
- AliExpress - Outdoor New Life Store
- AliExpress - Stone's Store
- AliExpress - VASTFIRE Lighting Store
All Records
48 price records in this period
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
AliExpress - Outdoor New Life Store(14 records) | |||||||||
| May 29, 202604:43 PM | $5.52 | $1.99 | $7.51 | $0.00 | — | — | — | Yes | active |
| May 28, 202603:06 PM | $5.52 | $1.99 | $7.51 | $0.00 | — | — | — | Yes | active |
| May 27, 202604:27 PM | $5.52 | $1.99 | $7.51 | $0.00 | — | — | — | Yes | active |
| May 25, 202608:53 PM | $5.52 | $1.99 | $7.51 | $0.00 | — | — | — | Yes | active |
| May 23, 202604:28 PM | $5.52 | $1.99 | $7.51 | $0.28 | — | — | — | Yes | active |
| May 22, 202602:40 PM | $5.24 | $1.99 | $7.23 | $0.28 | — | — | — | Yes | active |
| May 21, 202602:43 PM | $5.52 | $1.99 | $7.51 | $0.00 | — | — | — | Yes | active |
| May 19, 202602:45 PM | $5.52 | $1.99 | $7.51 | $0.00 | — | — | — | Yes | active |
| May 18, 202602:43 PM | $5.52 | $1.99 | $7.51 | $0.00 | — | — | — | Yes | active |
| May 17, 202612:47 PM | $5.52 | $1.99 | $7.51 | $0.00 | — | — | — | Yes | active |
| May 16, 202612:53 PM | $5.52 | $1.99 | $7.51 | $0.00 | — | — | — | Yes | active |
| May 15, 202612:01 PM | $5.52 | $1.99 | $7.51 | $0.00 | — | — | — | Yes | active |
| May 14, 202601:45 PM | $5.52 | $1.99 | $7.51 | $0.00 | — | — | — | No | active |
| May 12, 202610:32 AM | $5.52 | $1.99 | $7.51 | Initial | — | — | — | Yes | active |
AliExpress - Stone's Store(20 records) | |||||||||
| May 29, 202604:45 PM | $8.91 | $1.99 | $10.90 | $0.00 | — | — | — | Yes | active |
| May 29, 202604:44 PM | $8.91 | $1.99 | $10.90 | $0.00 | — | — | — | Yes | active |
| May 29, 202604:44 PM | $8.91 | $1.99 | $10.90 | $0.02 | — | — | — | Yes | active |
| May 28, 202603:07 PM | $8.89 | $1.99 | $10.88 | $0.00 | — | — | — | Yes | active |
| May 28, 202603:07 PM | $8.89 | $1.99 | $10.88 | $0.00 | — | — | — | Yes | active |
| May 27, 202604:29 PM | $8.89 | $1.99 | $10.88 | $0.00 | — | — | — | Yes | active |
| May 27, 202604:28 PM | $8.89 | $1.99 | $10.88 | $0.00 | — | — | — | Yes | active |
| May 25, 202608:54 PM | $8.89 | $1.99 | $10.88 | $0.00 | — | — | — | Yes | active |
| May 25, 202608:54 PM | $8.89 | $1.99 | $10.88 | $0.75 | — | — | — | Yes | active |
| May 23, 202604:29 PM | $8.14 | $1.99 | $10.13 | $0.00 | — | — | — | Yes | active |
| May 23, 202604:29 PM | $8.14 | $1.99 | $10.13 | $0.00 | — | — | — | Yes | active |
| May 22, 202602:41 PM | $8.14 | $1.99 | $10.13 | $2.93 | — | — | — | Yes | active |
| May 21, 202602:44 PM | $5.21 | $1.99 | $7.20 | $0.00 | — | — | — | No | dead |
| May 19, 202602:46 PM | $5.21 | $1.99 | $7.20 | $0.00 | — | — | — | No | dead |
| May 18, 202602:44 PM | $5.21 | $1.99 | $7.20 | $0.00 | — | — | — | No | dead |
| May 17, 202612:48 PM | $5.21 | $1.99 | $7.20 | $0.00 | — | — | — | No | dead |
| May 16, 202612:54 PM | $5.21 | $1.99 | $7.20 | $0.00 | — | — | — | No | dead |
| May 15, 202612:02 PM | $5.21 | $1.99 | $7.20 | $0.00 | — | — | — | No | dead |
| May 14, 202601:47 PM | $5.21 | $1.99 | $7.20 | $0.00 | — | — | — | No | active |
| May 12, 202610:33 AM | $5.21 | $1.99 | $7.20 | Initial | — | — | — | No | dead |
AliExpress - VASTFIRE Lighting Store(14 records) | |||||||||
| May 29, 202604:47 PM | $14.35 | $1.99 | $16.34 | $0.02 | — | — | — | No | active |
| May 28, 202603:09 PM | $14.33 | $1.99 | $16.32 | $0.01 | — | — | — | No | active |
| May 27, 202604:30 PM | $14.32 | $1.99 | $16.31 | $0.00 | — | — | — | No | active |
| May 25, 202608:56 PM | $14.32 | $1.99 | $16.31 | $0.04 | — | — | — | No | active |
| May 23, 202604:31 PM | $14.28 | $1.99 | $16.27 | $0.00 | — | — | — | No | active |
| May 22, 202602:42 PM | $14.28 | $1.99 | $16.27 | $0.01 | — | — | — | No | active |
| May 21, 202602:46 PM | $14.29 | $1.99 | $16.28 | $0.00 | — | — | — | No | active |
| May 19, 202602:48 PM | $14.29 | $1.99 | $16.28 | $0.04 | — | — | — | No | active |
| May 18, 202602:45 PM | $14.25 | $1.99 | $16.24 | $0.04 | — | — | — | No | active |
| May 17, 202612:50 PM | $14.29 | $1.99 | $16.28 | $0.00 | — | — | — | No | active |
| May 16, 202612:56 PM | $14.29 | $1.99 | $16.28 | $0.00 | — | — | — | No | active |
| May 15, 202612:04 PM | $14.29 | $1.99 | $16.28 | $0.01 | — | — | — | No | active |
| May 14, 202601:51 PM | $14.30 | $1.99 | $16.29 | $0.00 | — | — | — | No | active |
| May 12, 202610:35 AM | $14.30 | $1.99 | $16.29 | Initial | — | — | — | No | active |
Reviews
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Specifications
Specifications
- Switch Type
- Key Switch
- Max Voltage
- 99V
Ports & Connectors
Power Switch/
Power Switch
| Pin | Wire color | Function |
|---|---|---|
| 1 | Green | Power Switch Signal |
| 2 | Red | Battery + |
| 3 | Black | Ground |
