Harbor Freight prices › Power Tools
HERCULESitem 57373
20V 5 Ah Extended-Performance Lithium-Ion Battery
Base price$74.99
Bartlesville, OK shelf$74.99same shelf price as online 2 more stores
Brooklyn Hamilton, NY shelf$74.99same shelf price as online 2 more stores
Benton Harbor, MI shelf$74.99same shelf price as online 2 more stores
Not on Harbor Freight's website. Its item number still has a price in their system, so leftover stock may be in some stores. Call your store before you drive over.
In-store only. You can't order this one online.
Price alert
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The numbers
- Today
- $74.99
- Usual price
- $74.99
- 90-day low
- $63.74
- Lowest tracked
- $49.99
Apr 17, 2023
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 |
|---|---|---|
| Bartlesville, OK store 3021, checked Nov 2, 2026 | $74.99 | $74.99 |
| Benton Harbor, MI store 583, checked Nov 4, 2026 | $74.99 | $74.99 |
| Brooklyn Hamilton, NY store 403, checked Oct 18, 2026 | $74.99 | $74.99 |
Price history
Best price for anyoneInside Track Club priceRegular price
Every price change
| When | Price | Members | Why |
|---|---|---|---|
| Nov 2, 20261 day, checked 0x | $74.99 | Regular price | |
| Oct 30, 2026 to Nov 1, 20263 days, checked 0x | $63.7415% off | 15% off any single item (one item a day) | |
| Oct 29, 20261 day, checked 0x | $74.99 | $63.74 | Regular price |
| Apr 18, 2023 to Oct 28, 20261290 days, checked 6x | $74.99 | Regular price | |
| Apr 14, 2023 to Apr 17, 20234 days, checked 0x | $49.9933% off | Coupon | |
| Apr 11, 2023 to Apr 13, 20233 days, checked 0x | $49.9933% off | Coupon | |
| Mar 28, 2023 to Apr 10, 202314 days, checked 0x | $49.9933% off | Coupon | |
| Mar 11, 2023 to Mar 27, 202317 days, checked 0x | $74.99 | $49.99 | Regular price |
| Mar 7, 2023 to Mar 10, 20234 days, checked 0x | $74.99 | Regular price | |
| Feb 21, 2023 to Mar 6, 202314 days, checked 0x | $49.9933% off | Coupon | |
| Feb 4, 2023 to Feb 20, 202317 days, checked 0x | $74.99 | $49.99 | Regular price |
Search harborfreight.com for it
Tracking since Oct 19, 2026. Last checked Oct 26, 2026.