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SigmasTek  |  SKU: BW-4238

APC BACK-UPS LS BP420S UPS Compatible Replacement Battery 5.25 lb

13% off
New arrival
Sale price $33.99 USD Regular price $38.99
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Reliable AGM technology for consistent power delivery
High rate discharge design ideal for UPS applications
Maintenance-free, spill-proof ensures safe use
U.L. recognized and CE certified for quality assurance
Compatible with APC BACK-UPS LS BP420S, 1-year warranty
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Battery Care Tips

🔹 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.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.


Volts & Amps

12 Volts | 7.5 Ah

Terminal Type

F2

Replacement SigmasTek 12V 7.5Ah for APC BACK-UPS LS BP420S

Designed for perfect compatibility with the APC BACK-UPS LS BP420S, this replacement UPS battery provides dependable emergency power and consistent performance you can count on. Engineered to meet or exceed original SLA specifications, this battery is a high-performance UPS battery option that keeps essential equipment operating during interruptions. It is a maintenance-free, safe, and cost-effective way to restore runtime to your UPS.

Key Specifications

  • Compatible Model: APC BACK-UPS LS BP420S
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 7.5 Ah
  • Terminal Type: F2
  • Battery Type: SLA / AGM (Absorbent Glass Mat)
  • Design: High Rate Discharge Design
  • Maintenance: Maintenance-Free with Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Applications: Emergency Power Supply, Battery Powered Tools

Benefits

This replacement UPS battery leverages AGM construction and high-rate discharge engineering to deliver reliable, repeatable power when your APC BACK-UPS LS BP420S needs it most. The maintenance-free design and spill-proof casing reduce service time and risk, while U.L. recognition and CE certification indicate compliance with established safety and quality standards. These traits contribute to a long-lasting battery solution for daily protection needs.

As a high-performance UPS battery, it supports UPS, emergency power systems, and portable tools, ensuring your devices stay powered through outages and interruptions. The F2 terminal allows for secure connections and quick installation, while the 12V/7.5Ah capacity delivers a balance of runtime and compact sizing suitable for many small UPS models. This battery is brand new and factory fresh, so it arrives ready to provide immediate backup capability.

Replacing an aged or underperforming battery with this SigmasTek unit restores runtime, stabilizes power delivery, and helps protect electronics from data loss or disruption. The included 1-year warranty offers additional assurance for your investment.

Ready to upgrade? Purchase this replacement UPS battery for the APC BACK-UPS LS BP420S today and secure reliable, long-lasting power protection for your equipment.

Technical Specifications

Voltage12 Volts
Amp Hours7.5 Ah
Terminal TypeF2
Length (in.)5.95
Width (in.)2.56
Height (in.)3.7
Weight (lb.)5.25

Product Highlights

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

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