12 Volt 21 Ah SLA Batteries

12 Volt 21 Ah SLA Batteries in stock from $153.90. We have a full range of 12 Volt 21 Ah SLA Batteries available for immediate delivery nationwide. Order online or Call Toll Free

$153.90

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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- 5 out of 5:
- "Working great"
- saminatlanta, February 10, 2024
- 5 out of 5:
- "This new battery for my GE portable phone was a perfect match to my original. Working perfectly and charged quickly. Great price"
- Michael P., February 10, 2024
- 5 out of 5:
- "Del on time"
- Richard Drew, February 8, 2024
- 5 out of 5:
- ":-)"
- M, February 7, 2024
- 5 out of 5:
- "Good deal"
- Leo Huff , January 28, 2024
- 5 out of 5:
- "As described and a good price"
- robert, January 28, 2024
- 5 out of 5:
- "Fast shipping!!! Great seller!!! Very happy!!!"
- Shane Hughes, January 27, 2024
- 5 out of 5:
- "perfect fit"
- Rodney Jones, December 13, 2023
- 5 out of 5:
- "Fast shipping Great Seller"
- Li P., December 9, 2023
- 5 out of 5:
- "They were just what I needed."
- Amazon Customer, December 6, 2023

12 Volt 21 Ah SLA Batteries

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