Harbor Freight prices › Automotive › Automotive Accessories
JUPITERitem 56574
120 Watt Continuous/240 Watt Peak Modified Sine Wave Power Inverter
Base price$24.99
Members' price$24.99
Everyone else$24.99
Benton Harbor, MI shelf$19.99$5.00 under the online shelf price 1 more store
Niles, MI shelf$24.99same shelf price as online 1 more store
Hasn't budged from $24.99 in 287 days. This price is load-bearing; waiting won't move it.
- It went 32% off ($16.99) in early December last year. One sale is a hint, not a pattern.
Put the drill down. It's had 7 sales since Jun 2022 that would beat today's price, usually 28% off ($16.99). More often lately: 3 in the past year. From spots like today's, one came within six weeks about 5 times in 10.
- It went 32% off ($16.99) in early December last year. One sale is a hint, not a pattern.
Price alert
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The numbers
- Today
- $24.99
- Usual price
- $24.99
- 90-day low
- $24.99
- Lowest tracked
- $16.99
- Today, members
- $24.99
- Usual for members
- $24.99
- 90-day low
- $24.99
- Lowest tracked
- $16.99
Jan 15, 2026
Jan 15, 2026
Prices by store
Harbor Freight prices some items differently by store, and once you pick a store its site shows that store's shelf price. These come from contributors who share their store; the main price above is the base price, the one HF shows before you pick a store.
| Store | Today | Usually |
|---|---|---|
| Benton Harbor, MI store 583, checked Oct 18, 2026 | $19.99$5.00 under | $24.99 |
| Niles, MI store 3516, checked Oct 18, 2026 | $24.99 | $24.99 |
Price history
Best price for anyoneInside Track Club priceRegular price
Every price change
| When | Price | Members | Why |
|---|---|---|---|
| Jul 4, 2026 to Oct 29, 2026118 days, checked 3x | $24.99 | Regular price | |
| Jun 6, 2026 to Jul 3, 202628 days, checked 0x | $24.99 | $19.99 | Regular price |
| May 2, 2026 to Jun 5, 202635 days, checked 0x | $24.99 | Regular price | |
| Apr 4, 2026 to May 1, 202628 days, checked 0x | $24.99 | $17.99 | Regular price |
| Jan 16, 2026 to Apr 3, 202678 days, checked 1x | $24.99 | Regular price | |
| Dec 2, 2025 to Jan 15, 202645 days, checked 1x | $16.9932% off | Sale price | |
| Sep 5, 2025 to Dec 1, 202588 days, checked 1x | $24.99 | Regular price | |
| Apr 5, 2025 to Sep 4, 2025153 days, checked 1x | $19.99 | Regular price | |
| Mar 25, 2025 to Apr 4, 202511 days, checked 0x | $24.99 | Regular price | |
| Feb 25, 2025 to Mar 24, 202528 days, checked 0x | $24.99 | $19.99 | Regular price |
| Nov 7, 2024 to Feb 24, 2025110 days, checked 0x | $24.99 | Regular price | |
| Oct 24, 2024 to Nov 6, 202414 days, checked 0x | $19.9920% off | Coupon | |
| May 27, 2024 to Oct 23, 2024150 days, checked 0x | $24.99 | Regular price | |
| Apr 29, 2024 to May 26, 202428 days, checked 0x | $24.99 | $19.99 | Regular price |
| Mar 31, 2024 to Apr 28, 202429 days, checked 1x | $24.99 | Regular price | |
| May 20, 2023 to Mar 30, 2024316 days, checked 0x | $34.99 | Regular price | |
| Apr 22, 2023 to May 19, 202328 days, checked 0x | $34.99 | $29.99 | Regular price |
| Mar 3, 2023 to Apr 21, 202350 days, checked 1x | $34.99 | Regular price | |
| Jan 20, 2023 to Mar 2, 202342 days, checked 1x | $36.99 | Regular price | |
| Oct 7, 2022 to Jan 19, 2023105 days, checked 1x | $34.99 | Regular price | |
| Jun 5, 2022 to Oct 6, 2022124 days, checked 1x | $36.99 | Regular price |
Tracking since Oct 16, 2026. Last checked Oct 22, 2026.