Price History for 18V 4.0 Ah MAX Output EXP Lithium-Ion Battery & Charger
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18V 4.0 Ah MAX Output EXP Lithium-Ion Battery & Charger
The RIDGID AC840041 18V 4.0Ah MAX Output EXP Lithium-Ion Battery features tabless cell technology delivering 3X more power in a compact size. Experience extreme performance in the toughest jobsite applications
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Apr 1, 2026 | $191.90 |
| Jan 24, 2026 | $198.97 |
| Dec 14, 2025 | $178.00 |
| Nov 18, 2025 | $178.00 |
| Oct 25, 2025 | $178.00 |
| Oct 17, 2025 | $178.00 |
Analysis
18V 4.0 Ah MAX Output EXP Lithium-Ion Battery & Charger price analysis
Price analysis for 18V 4.0 Ah MAX Output EXP Lithium-Ion Battery & Charger at Home Depot: Today's price is $191.90. The lowest recorded price on PriceWatchPro was $178.00 on October 17, 2025. That's $13.90 below today's price.
- Currently listed at $191.90, which is $13.90 above the original MSRP of $178.00.
- The lowest recorded price on PriceWatchPro was $178.00 on October 17, 2025. That's $13.90 below today's price.
- The highest recorded price on PriceWatchPro was $198.97 on January 24, 2026. Today's price is $7.07 below that peak.
- Across 5 tracked price changes, the listing has dropped 1 times with an average drop of $7.07.
- PriceWatchPro has been tracking this listing since October 17, 2025 (294 days of price history).
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