Price History for 18V Lithium-Ion MAX Output 4.0 Ah Battery (2-Pack)
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18V Lithium-Ion MAX Output 4.0 Ah Battery (2-Pack)
RIDGID introduces the AC840040 18V MAX Output 4.0 Ah Lithium-Ion Battery (2-Pack). MAX Output batteries facilitate battery and tool communication unleashing the full potential of any RIDGID 18V Brushless Tool p
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Jul 14, 2026 | $170.39 |
| Dec 14, 2025 | $189.32 |
| Dec 6, 2025 | $189.32 |
| Nov 27, 2025 | $189.32 |
| Nov 24, 2025 | $189.32 |
Analysis
18V Lithium-Ion MAX Output 4.0 Ah Battery (2-Pack) price analysis
Price analysis for 18V Lithium-Ion MAX Output 4.0 Ah Battery (2-Pack) at Home Depot: Today's price is $170.39. That's 10% off the MSRP of $189.32. The lowest recorded price on PriceWatchPro was $170.39 on July 14, 2026. The current listing is at this all-time low.
- The current price of $170.39 is 10% (or $18.93) below the MSRP of $189.32.
- The lowest recorded price on PriceWatchPro was $170.39 on July 14, 2026. The current listing is at this all-time low.
- The highest recorded price on PriceWatchPro was $189.32 on November 24, 2025. Today's price is $18.93 below that peak.
- Across 4 tracked price changes, the listing has dropped 1 times with an average drop of $18.93.
- PriceWatchPro has been tracking this listing since November 24, 2025 (255 days of price history).
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