Casil

Casil 12v 8ah Battery for APC Back-UPS ES 750 – Compatible with BE750G, Smart UPS 750, SMT750, SUA750 – 12V SLA Battery for UPS ES 750 Backup Power Supply

Name: Casil 12v 8ah Battery for APC Back-UPS ES 750 – Compatible with BE750G, Smart UPS 750, SMT750, SUA750 – 12V SLA Battery for UPS ES 750 Backup Power
Brand: Casil
SKU: B08Y636BW4
Price: 23.25 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$23.25

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🛒 See live eBay price Also on Amazon → Compare to similar power protection

*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.

Bottom line: The Casil 12v 8ah Battery for APC Back-UPS ES 750 – Compatible with BE750G, Smart UPS 750, SMT750, SUA750 – 12V SLA Battery for UPS ES 750 Backup Power Supply is a niche pick — read recent reviews before buying in the power protection category, priced around $23.25. Compare close alternatives before committing.

SpecPicks Verdict

SpecPicks scored Casil 12v 8ah Battery for APC Back-UPS ES 750 – Compatible with… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the power protection category. Casil's power protection lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

Common buyer scenarios for power protection of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Backed by Casil's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

🔋 Reliable Replacement for APC UPS 750 Models – Designed to replace the original battery in APC Back-UPS ES 750, Smart UPS 750, and other 750VA uninterruptible power supply units.
✅ Compatible with Multiple APC Models – Fully compatible with APC BE750G, SMT750, SUA750, and UPS ES 750 systems. Restores runtime and backup power reliability.
🛡️ 12V Sealed Lead Acid (SLA) Design – Maintenance-free AGM battery offers leak-proof, spill-proof operation with high discharge efficiency for home and office backup systems.
⚡ Rechargeable & Long-Lasting Performance – Built for standby and deep-cycle use. Quick recharge time and dependable power delivery for surge protection and battery backup.
📐 Easy Installation & Secure Fit – Direct-fit size and standard terminals make for a hassle-free drop-in replacement. Dimensions: 5.94" x 2.56" x 3.7".

Full Specifications

Brand	Casil
Weight	750g
Amperage	8 Amps
Model Name	12V 8AH ES 750
Unit Count	1.0 Count
Reusability	Rechargeable
Model Number	CA1280-1PC
Built-In Media	Battery
Item Type Name	lead_acid_battery
Item Dimensions	5.94 x 2.56 x 3.94 inches
Battery Capacity	8 Amp Hours
Battery Cell Type	Lead Acid
Number of Batteries	1 12V batteries required. (included)
Warranty Description	1 Year prorated warranty
Compatible Phone Models	Back-UPS ES BE750G, BE750BB, BE750G-CN, BE750G-GR, Back-UPS XS BX750MI, BX750CI, Smart-UPS Series SMT750, SMT750RM2U, SUA750, SUA750RM2U
Battery Cell Composition	Lead Acid

Ready to buy?

Casil 12v 8ah Battery for APC Back-UPS ES 750 – Compatible with BE750G, Smart UPS 750, SMT750, SUA750 – 12V SLA Battery for UPS ES 750 Backup Power Supply is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.