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SigmasTek  |  SKU: BW-5439

APC BACK-UPS PRO BP1100 UPS High Performance Replacement Battery Set

Sale price $51.94 USD Regular price $75.31
Shipping calculated at checkout.

➤ SigmasTek12 Volts12 AhF2APC BACK-UPS replacement battery

➤ Reliable and long-lasting performance

➤ OEM compatible and easy to install

➤ Durable construction for UPS systems

➤ High-quality power solution


📦🚀 FAST SHIPPING: Usually ships same day if ordered before 2 PM EST

⚠️ Quick Reminder

🔹 Please ensure the original battery model number is listed in our product description and that your device model number matches for compatibility.
🔹 We only supply the batteries shown in the images. Device images are provided for reference only.

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Battery Care Guide

Battery Usage and Maintenance Guidelines 🔋

Please read the following instructions carefully before using your new battery. Proper adherence will help ensure optimal performance and extended service life.

1. Cordless Phones, PDAs, and Power Tools (NiMH, NiCd, Lithium-Ion) 📱

Initial Charge

  • Fully charge the battery overnight prior to first use.

Conditioning (First 2–6 Charge Cycles)

  • Operate the device until the battery reaches approximately 20% capacity.
  • Avoid premature recharging.
  • Do not allow the battery to fully discharge during the initial cycles.

Post-Conditioning

  • Recharge the battery only when necessary.
  • These batteries are capable of approximately 500 charge cycles:
  • Once daily → ~500 days
    Twice daily → ~250 days
    Note: Even a partial recharge is considered a full cycle.

2. Sealed Lead Acid (SLA) Batteries 💡

  • No conditioning required.
  • Maintain the battery in a fully charged state; avoid complete discharge.
  • Capable of 300–400 charge cycles.
  • Expected service life: 2–3 years, depending on usage conditions.

3. Laptop Batteries (Lithium-Ion) 💻

Initial Charge

  • Fully charge the battery overnight prior to first use.

Conditioning (First 2–6 Charge Cycles)

  • Charge fully, then discharge to approximately 20% capacity.
  • Avoid complete discharge, as some devices may not detect a fully drained battery.

Post-Conditioning

  • Minimize frequent plugging and unplugging.
  • Allow the battery to discharge moderately at least once per month to maintain optimal performance.
  • Occasional cycling is recommended to sustain battery health.

Professional Recommendation

Adhering to these guidelines will enhance battery longevity and ensure reliable performance.

For further assistance regarding your battery or order, our customer support team is available to provide guidance.

Delivery and Shipping

Everything You Need to Know About Shipping with BatteryWeb (USA)

We know reliable delivery matters when you need power fast. Here’s how BatteryWeb makes shipping easy across the USA:

🚚 Shipping & Delivery

Most orders ship next business day (some products like sealed lead acid may take a little longer).

Same-day shipping available if you order before 11:59 AM (delivery depends on the carrier).

We ship nationwide using FedEx, UPS, USPS, DHL, and regional ground carriers.

Shipping costs are calculated automatically at checkout based on weight, distance, and carrier.

Transit times shown are estimates only (business days, no weekends/holidays).

🌍 Shipping Restrictions

Lithium batteries cannot be shipped by USPS or air. They must go via FedEx Ground, UPS Ground, or DHL Ground.

PO Box deliveries are only available via USPS.

At this time, we do not ship lithium batteries to Puerto Rico. NiMH, NiCd, and Alkaline can be shipped.

📦 Important Notes

Double-check your shipping address! If an incorrect address is used and the order is returned, re-shipping costs are the buyer’s responsibility.

If a product is temporarily out of stock, we’ll notify you right away with the expected restock date—or issue a refund if you prefer.

💲 Currency & Pricing

All prices are shown in USD.

Orders shipped outside the USA may be subject to local taxes, customs fees, or import duties. These are the buyer’s responsibility.

⚡ At BatteryWeb, we’re committed to getting your batteries delivered quickly, safely, and affordably—so you’ll always have the power you need, when you need it.

Disclaimer

⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

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

🔹 Our products are generic replacement parts and are not affiliated with, endorsed by, or manufactured by the original equipment manufacturers (OEMs).


Volts & Amps

12 Volts | 12 Ah

Terminal Type

F2

SigmasTek12 Volts12 AhF2APC BACK-UPS

Restore reliable backup power quickly with the SigmasTek12 Volts12 AhF2APC BACK-UPS replacement. Specifically matched for APC BACK-UPS systems, this battery offers steady voltage delivery and consistent runtime to keep essential equipment running through outages. It’s an effective, economical option for anyone needing a dependable, long-lasting battery to protect computers, networking gear, and critical electronics.

Key Specifications

  • Brand: SigmasTek12
  • Voltage: 12 Volts
  • Capacity: 12 Ah
  • Terminal / Connector: F2
  • Compatible with: APC BACK-UPS
  • Product text identifier: Volts12 AhF2APC BACK-UPS

Benefits

This SigmasTek12 is a high-performance UPS battery designed for longevity and dependable service. Its construction and chemistry deliver consistent charge acceptance and stable output under load, making it a trusted replacement UPS battery for routine maintenance or emergency swap-outs. As a long-lasting battery, it supports multiple charge/discharge cycles and helps maintain uptime for mission-critical systems.

The F2 terminal simplifies installation in compatible APC BACK-UPS units, enabling rapid replacement with minimal tools. Typical applications include UPS backup for servers and workstations, emergency power for monitoring and alarm systems, and backup for small power tools or portable systems that accept 12 Volt sealed batteries. By choosing this replacement, you preserve the investment in your existing UPS hardware while restoring original runtime performance.

Technicians and end-users appreciate the reliability and value of this SigmasTek12 battery when planning preventive maintenance or preparing for power events. Its consistent operation reduces the risk of unexpected shutdowns and supports smoother recovery once mains power is restored.

Ready to protect your equipment? Order the SigmasTek12 Volts12 AhF2APC BACK-UPS replacement UPS battery today and keep your APC BACK-UPS performing at its best.


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