Harbor Freight prices › Automotive › Automotive Accessories
JUPITERitem 57335
3000 Watt Continuous/6000 Watt Peak Modified Sine Wave Power Inverter
Base price$299.99
Members' price$299.99
Everyone else$299.99
Benton Harbor, MI shelf$249.99$50.00 under the online shelf price 1 more store
Niles, MI shelf$299.99same shelf price as online 1 more store
Hasn't budged from $299.99 in 198 days. This price is load-bearing; waiting won't move it.
Put the drill down. It went 13% off ($259.99) in late January in two of the last three years. If it repeats, that's 13 weeks or so off.
Prices differ by store: $50.00 apart
Harbor Freight sets some prices store by store, and its site shows the price for whichever store is picked. Here's what contributors' stores show:
- Benton Harbor, MI$249.99checked Oct 18, 2026lowest
- Niles, MI$299.99checked Oct 18, 2026
- Base price, no store picked$299.99
$249.99 is the shelf price at the Benton Harbor, MI store, so that's what you'd pay walking in there. Pick it as your store on harborfreight.com to see it yourself. To see the base price yourself, open the site in a private window, with no store picked.
Price alert
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The numbers
- Today
- $299.99
- Usual price
- $299.99
- 90-day low
- $299.99
- Lowest tracked
- $259.99
- Schumacher Electric equivalent
- $449.11
- Today, members
- $299.99
- Usual for members
- $299.99
- 90-day low
- $299.99
- Lowest tracked
- $259.99
- Schumacher Electric equivalent
- $449.11
Jan 31, 2025
Jan 31, 2025
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 | $249.99$50.00 under | $299.99 |
| Niles, MI store 3516, checked Oct 18, 2026 | $299.99 | $299.99 |
Price history
Best price for anyoneInside Track Club priceRegular price
Every price change
| When | Price | Members | Why |
|---|---|---|---|
| Apr 15, 2026 to Oct 29, 2026198 days, checked 3x | $299.99 | Regular price | |
| Apr 14, 20261 day, checked 0x | $279.997% off | Coupon | |
| Mar 31, 2026 to Apr 13, 202614 days, checked 0x | $279.997% off | Coupon | |
| Aug 1, 2025 to Mar 30, 2026242 days, checked 0x | $299.99 | Regular price | |
| Jul 4, 2025 to Jul 31, 202528 days, checked 0x | $299.99 | $279.99 | Regular price |
| Feb 21, 2025 to Jul 3, 2025133 days, checked 0x | $299.99 | Regular price | |
| Feb 7, 2025 to Feb 20, 202514 days, checked 0x | $279.997% off | Coupon | |
| Feb 1, 2025 to Feb 6, 20256 days, checked 1x | $299.99 | Regular price | |
| Jan 25, 2025 to Jan 31, 20257 days, checked 1x | $259.9913% off | Sale price | |
| Dec 13, 2024 to Jan 24, 202543 days, checked 0x | $299.99 | Regular price | |
| Dec 12, 20241 day, checked 0x | $279.997% off | Coupon | |
| Nov 28, 2024 to Dec 11, 202414 days, checked 0x | $279.997% off | Coupon | |
| Oct 24, 2024 to Nov 27, 202435 days, checked 0x | $299.99 | Regular price | |
| Oct 10, 2024 to Oct 23, 202414 days, checked 0x | $279.997% off | Coupon | |
| Aug 29, 2024 to Oct 9, 202442 days, checked 0x | $299.99 | Regular price | |
| Aug 15, 2024 to Aug 28, 202414 days, checked 0x | $289.993% off | Coupon | |
| Jul 29, 2024 to Aug 14, 202417 days, checked 0x | $299.99 | Regular price | |
| Jul 1, 2024 to Jul 28, 202428 days, checked 0x | $299.99 | $279.99 | Regular price |
| Mar 31, 2024 to Jun 30, 202492 days, checked 1x | $299.99 | Regular price | |
| Feb 26, 2024 to Mar 30, 202434 days, checked 0x | $339.99 | Regular price | |
| Jan 29, 2024 to Feb 25, 202428 days, checked 0x | $339.99 | $299.99 | Regular price |
| Nov 26, 2023 to Jan 28, 202464 days, checked 0x | $339.99 | Regular price | |
| Oct 29, 2023 to Nov 25, 202328 days, checked 0x | $339.99 | $299.99 | Regular price |
| Oct 1, 2023 to Oct 28, 202328 days, checked 0x | $339.99 | Regular price | |
| Sep 3, 2023 to Sep 30, 202328 days, checked 0x | $339.99 | $299.99 | Regular price |
| Feb 25, 2023 to Sep 2, 2023190 days, checked 1x | $339.99 | Regular price | |
| Jan 28, 2023 to Feb 24, 202328 days, checked 0x | $339.99 | $299.99 | Regular price |
| Dec 21, 2022 to Jan 27, 202338 days, checked 0x | $339.99 | Regular price | |
| Dec 7, 2022 to Dec 20, 202214 days, checked 0x | $279.9918% off | Coupon |
Tracking since Oct 16, 2026. Last checked Oct 22, 2026.