APC 520ES Replacement Battery - 6V 12Ah UPS Backup Power Supply Battery Compatible with APC Back-UPS ES 520 - Perfect for Home Office, Computer, Router & Network Equipment Power Backup

$10.99 $19.99 -45%

Free shipping on all orders over $50

7-15 days international

25 people viewing this product right now!

30-day free returns

Secure checkout

18163419

Guranteed safe checkout

AJC® replacement compatible with APC 520ES UPS 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 APC

What is the best replacement battery for the APC 520ES 6V 12Ah UPS Battery?
The AJC-C12S-J-2-102393 is the best replacement battery for the APC 520ES 6V 12Ah UPS Battery.
What are the dimensions of the APC 520ES 6V 12Ah UPS 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.