MM-AUX12 Auxiliary Battery 12V 12Ah, 20RC, 200 CCA Rechargeable AGM Car Battery
MM-AUX12 Auxiliary Battery 12V 12Ah, 20RC, 200 CCA Rechargeable AGM Car Battery
MM-AUX12 Auxiliary Battery 12V 12Ah, 20RC, 200 CCA Rechargeable AGM Car Battery
MM-AUX12 Auxiliary Battery 12V 12Ah, 20RC, 200 CCA Rechargeable AGM Car Battery
MM-AUX12 Auxiliary Battery 12V 12Ah, 20RC, 200 CCA Rechargeable AGM Car Battery

$84.99

MM-AUX12 Auxiliary Battery 12V 12Ah, 20RC, 200 CCA Rechargeable AGM Car Battery

SKU: MM-AUX12 Category:
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1 Pack $ 84.99
2 Pack $ 159.99
4 Pack $ 299.99
When your vehicle’s systems demand dependable backup, the MM-AUX12 delivers. This AGM battery is engineered for real-world performance in real-world conditions.  With 200 Cold Cranking Amps and a 20-minute Reserve Capacity, it holds its own in cold starts and keeps critical systems running when the main battery is resting.
The sealed AGM design keeps it maintenance-free and spill-proof. It’s built to resist vibration and recover from deep discharges without skipping a beat. The MM-AUX12 is all about durability, consistency, and zero-nonsense power.
Whether you’re replacing a dead battery or upgrading to something that won’t quit, the MM-AUX12 is ready to go to work. No mess. No maintenance. No downtime.
This is power with purpose, and it’s ready when you are. Are you powered to the max?
Detailed Specifications: 
Voltage: 12 Volt 
Amperage: 12 AH 
Chemistry: SLA, AGM 
Battery Size: 5.93 in x 3.50 in x 5.75 in 
Weight: 10.50 Lbs 
Warranty: 3 Years 
Multi Packs Bundled Savings

1 Pack, 2 Pack, 4 Pack

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Excellent
Mighty Max Battery
Based on 4236 reviews
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Kristy Huber
So far, so good 🙂
LeRoy Mizell
Son loves it back in action with the battery
Alicia Erickson-Long
Arrived in perfect condition. We were also so surprised about how well our battery fit; there was a little trepidation surrounding that aspect.
Mark Anderson
This is my pic of the battery in my Cub Cadet mower, ready for spring. It came boxed well and fully charged. Performs great and is relatively light. Would definitely buy again....hopefully in about 10+ years. Lol.
piper318
Item works properly and fix good
Les Kiss
Arrived perfectly.
Christopher Consolo
Great battery, plenty of starting power right out of the box. Very pleased. Would definitely go with Mighty Max again.
Joey Curtis
Battery showed up quick, seem to work great no issues and they offer extended warranty for registering the product. Seems worth the money for sure
Martin Rosales
Battery charged out of the box, not like the previous mighty max which was dead and never took a charge.
Robert Shroyer
came fast and worked like a new one should, thanks Mighty Max

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