AJC 6V 12Ah Sealed Lead Acid Replacement Battery for Alexander MS521 - Perfect for Emergency Lights, Security Systems & Medical Equipment Backup Power

$10.99 $19.99 -45%

Delivery & Return:Free shipping on all orders over $50

Estimated Delivery:7-15 days international

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Easy Returns:Enjoy hassle-free returns within 30 days!

Payment:Secure checkout

SKU:36023687

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AJC® replacement compatible with Alexander MS521 Sealed Lead Acid Battery
Exact OEM replacement guaranteed to fit easily and precisely
Maintenance free AGM technology, no need to add acid or water ever
IMPORTANT: You MUST RE-USE: your existing cabling and hardware. These are replacement batteries only
NOTE: It is your responsibility to verify the batteries being ordered match the batteries in your unit prior to placing your order. We are not responsible for incorrect orders
UL Recognized Component
Buy with confidence. Our backed by easy 30-day returns and 12-month warranty

Disclaimer: Our products are not affiliated with or authorized by Alexander

What is the best replacement battery for the Alexander MS521 6V 12Ah Sealed Lead Acid Battery?
The AJC-C12S-J-0-201572 is the best replacement battery for the Alexander MS521 6V 12Ah Sealed Lead Acid Battery.
What are the dimensions of the Alexander MS521 6V 12Ah Sealed Lead Acid Replacement Battery?
The dimensions are L 5.94 x W2.01 x H 3.7 inches.
What is your return policy and battery warranty?
Our batteries are backed by easy 30-day returns and a 12-month warranty.
How do I maintain my SLA battery?
These batteries are maintenance-free and factory activated. It arrives fully sealed, charged and ready for action.
Do I need to add acid to this battery?
No need to add acid or water, ever.
Do you have a wholesale, reseller and large volume purchase program?
Yes, our bulk purchasing program saves you money and allow you to obtain the batteries you need in one easy, hassle-free transaction.