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SigmasTek  |  SKU: BW-0234

APC S400RM Compatible Replacement Battery By SigmasTek 21.02 lb

25% off
New arrival
Sale price $105.99 USD Regular price $140.99
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12 volts, 7.5 amp-hour capacity for dependable UPS backup
F2 battery terminals for secure and easy installation
Direct replacement for APC S400RM UPS systems
Reliable performance ensures smooth UPS operation
Durable design for long-lasting power supply
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🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

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Volts & Amps

12 Volts | 7.5 Ah

Terminal Type

F2

SigmasTek 12V 7.5Ah F2 - Compatible with APC S400RM

Keep your APC S400RM UPS performing reliably with the SigmasTek 12V 7.5Ah F2 direct replacement battery. Engineered for secure connections and dependable runtime, this long-lasting battery provides the high-performance UPS battery characteristics you need to maintain critical systems during power interruptions. Designed as a direct-fit replacement, the SigmasTek unit restores backup capacity and offers consistent, maintenance-free operation for server racks, network closets, and essential equipment protected by the APC S400RM.

Key Specifications

  • Compatible UPS model: APC S400RM
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Amp hours: 7.5 Amp Hour (7.5 Ah)
  • Terminal type: F2 battery terminals
  • Designed as a direct replacement for APC S400RM UPS systems

Benefits

This SigmasTek replacement UPS battery is built for durability and dependable long-term service. As a high-performance UPS battery, it delivers steady voltage under load and supports repeated charge/discharge cycles, making it ideal for frequent-use environments. The F2 terminal configuration ensures a reliable, low-resistance electrical connection, reducing the risk of poor contacts and heat buildup. Typical applications include rack-mounted UPS units like the APC S400RM, emergency power for networking equipment, server backup, alarm and security systems, and tools that require temporary power during outages.

Choosing a SigmasTek 12V 7.5Ah unit means you’re investing in a long-lasting battery designed to restore your APC S400RM to full functionality without the premium cost of OEM parts. Its direct-replacement fitment simplifies installation—swap out the old battery and restore protective runtime quickly. Whether you manage a data closet, a small business server, or critical home office hardware, this battery helps ensure you retain power long enough for graceful shutdowns or emergency operation.

Ready to replace the battery in your APC S400RM? Buy the SigmasTek 12V 7.5Ah F2 replacement UPS battery today and secure reliable, high-performance backup power for your UPS system.

Technical Specifications

Voltage12 Volts
Amp Hours7.5 Ah
Terminal TypeF2
Length (in.)5.95
Width (in.)2.56
Height (in.)3.7
Weight (lb.)21.0

Product Highlights

  • Brand Replacement : APC S400RM
  • Manufacturer: SigmasTek
  • Product Type: UPS Batteries
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

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