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 4.88 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 5684 reviews
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Graham Walker
Good battery
Jackie Reinhard
Last battery swelled up, emailed immediately, and they sent a replacement right out
Pat Barker
Ordered and received in two days. Installed in my generator, it started immediately.
Gary Jones
Starts perfect. Great deal shipped fast Amazon delivery.
Robert Traphan
Purchased 4 of the ML9-12 batteries for my Opti-UPS 1440PS. The batteries are a great fit for the UPS and are very reliable.
J Athens
I bought the same battery mighty Max 10 years ago for my jump pack- it’s lasted this long. I decided as a precautionary to replace it. homedepot.com. I received it within three days right to my door.
John Gleske
Great battery. Perfect fit for my Honda EM6500SX Generator. Exact fit on the installation. Added a battery tender trickle charge to maintain the battery in a ready state to start the generator. Love that it is made in the USA.
thomas donovan
Exact fit to my generator. Came real fast.
Clark King
Delivered next day and works great
Roberto H. Lopez-Santini
Perfect upgrade for 2007 Mule 610. Sealed lead acid, maintenance free. Great cold cranking amps rating. Replacing a failed lithium “ upgrade “, won’t try that again. Friend recommended it to me. Great price and fast shipping from Amazon. Tested at 12.4 volts upon delivery.

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