Home Depot has RIDGID 18V Lithium-Ion 4.0 Ah Battery on sale for $53.64.
Deal for today only.
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MAX Output EXP is the most powerful battery RIDGID has ever built
Industry leading 21700 tabless lithium-ion cells deliver 3X more power and maximum runtime all in a compact size
Charge to 80% in 15 mins with the 18V Turbo Charger (AC86099)
Work all day with RIDGID's most dependable, best performing battery. Laser welded cell straps and upgraded heat sinks allow this battery to run cooler and live longer through the most demanding applications.
Advanced Intelligent Electronics communicate directly with the tool to provide optimum performance in high demand applications when paired with brushless tools
ThermaGuard Technology keeps the battery pack running cooler by utilizing advanced intelligent electronics and oversized heat sinks to remove built up heat
Reinforced housing with added overmold construction shields the battery against tough jobsite conditions
Integrated LED Fuel gauge monitors runtime
100% Compatible: Works with all RIDGID 18V Batteries, Tools, and Chargers
Lifetime Service Agreement with registration in 90 days
Includes: AC840041 4.0Ah MAX Output EXP Lithium-Ion Battery and Operator's Manual
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 with RIDGID 18V MAX Output EXP Batteries. Tabless cells improve power delivery by creating a more efficient energy transfer leading to the best power, size, and weight ratio in a RIDGID 18V battery. Advanced Intelligent Electronics communicate directly with the tool to optimize performance in high demand applications when paired with brushless tools. Pair this battery with a 18V Turbo Charger (AC96099) to achieve 80% charge in 15 mins. ThermaGuard technology allows laser welded cell straps and upgraded heat sinks to run cooler and live longer through the most demanding applications maximizing overall battery life. To shield against the toughest jobsite conditions, this battery is constructed with durable reinforced housing. Work all day with RIDGID's most dependable, best performing battery. This RIDGID 18V 4.0Ah MAX Output EXP Lithium-Ion Battery is 100% compatible with all RIDGID 18V tools. This battery is backed by the Industry’s Best Lifetime Service Agreement, simply register within 90 days of purchase for FREE Parts, FREE Service, FOR LIFE. The AC840041 includes the 18V 4.0Ah MAX Output EXP Lithium-Ion Battery. Charger sold separately.
Product SKU:
336422772
UPC:
648846097961
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Home Depot has RIDGID 18V Lithium-Ion 4.0 Ah Battery on sale for $53.64.
Deal for today only.
--
MAX Output EXP is the most powerful battery RIDGID has ever built
Industry leading 21700 tabless lithium-ion cells deliver 3X more power and maximum runtime all in a compact size
Charge to 80% in 15 mins with the 18V Turbo Charger (AC86099)
Work all day with RIDGID's most dependable, best performing battery. Laser welded cell straps and upgraded heat sinks allow this battery to run cooler and live longer through the most demanding applications.
Advanced Intelligent Electronics communicate directly with the tool to provide optimum performance in high demand applications when paired with brushless tools
ThermaGuard Technology keeps the battery pack running cooler by utilizing advanced intelligent electronics and oversized heat sinks to remove built up heat
Reinforced housing with added overmold construction shields the battery against tough jobsite conditions
Integrated LED Fuel gauge monitors runtime
100% Compatible: Works with all RIDGID 18V Batteries, Tools, and Chargers
Lifetime Service Agreement with registration in 90 days
Includes: AC840041 4.0Ah MAX Output EXP Lithium-Ion Battery and Operator's Manual
Deal History includes data from multiple reputable stores, such as Best Buy, Target, and Walmart. The lowest price among stores for a given day is selected as the "Sale Price".
Sale Price does not include sale prices at Amazon unless a deal was posted by a community member.
I picked up this battery today. It is not MAX Output EXP. The description is not accurate, but the picture is correct. However, it is still a good deal and I will keep it.
Last edited by chromosome17 March 22, 2026 at 01:07 AM.
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8 Comments
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It may be better to get his instead
https://slickdeals.net/f/19315650
isn't this a better deal? $80 for two batteries of the same type and a charger.
Sign up for a Slickdeals account to remove this ad.
It may be better to get his instead
https://slickdeals.net/f/19315650
Leave a Comment