12 Volt 21 Ah SLA Batteries

12 Volt 21 Ah SLA Batteries in stock from $156.95. We have a full range of 12 Volt 21 Ah SLA Batteries available for immediate delivery nationwide. Order online or Call Toll Free

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  1. Power-Sonic PS-AUX50 12V 300 CCA Start-Stop Auxiliary AGM Battery
    12 Volt
    21 ah
    252 Wh
    L: 8.07"
    H: 6.83"
    W: 3.43"
    15.5 lbs

    Power-Sonic PS-AUX50 12 Volt 300 CCA Start-Stop Auxiliary SLA AGM battery. Our Power-Sonic PS-AUX50 is commonly used as back-up support to a vehicles main starter battery in start stop situations or when needed to deliver a constant power supply for the vehicles electrical system.  **NOTE: This is a AGM battery and does not require or have a vent hole to hook up a venting hose for cars with standard lead batteries.  If your car does have a venting hose this battery will not work for your application and you need to find a standard lead battery that will accept this hose to avoid possible issues with the operation of your vehicle** NOTE - This does not work with the BMW I3 Vehicle**

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