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SigmasTek  |  SKU: BW-5026

APC SMART-UPS XL SUA3000XLT High Performance Compatible Replacement Battery Cartridge

Sale price $293.32 USD Regular price $425.31
Shipping calculated at checkout.

➤ Four 12V 18AH batteries pre-assembled for easy replacement

➤ High rate discharge designed for UPS power bursts

➤ Valve regulated, spill-proof and maintenance-free

➤ Low self-discharge and high vibration resistance for long life

➤ U.L. Recognized with 1 Year warranty


📦🚀 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

24 Volts | 18 Ah

Terminal Type

Special Connector

Compatible Replacement Battery Cartridge for APC SMART-UPS XL SUA3000XLT

Replace worn batteries in your APC SMART-UPS XL SUA3000XLT with a reliable, plug-and-play solution engineered for dependable performance. This compatible replacement UPS battery cartridge delivers the compatibility, performance, and reliability data centers and critical systems demand — a high-performance UPS battery option designed to restore runtime and protect your equipment when mains power fails. Ideal for IT racks and mission-critical installations, this cartridge gives you confidence in continuous power delivery.

Key Specifications

  • Configuration: Contains four SigmasTek batteries (12 Volts 18 AH each)
  • Brand: SigmasTek
  • Combined listing in product text: SigmasTek 24 Volts 18 Ah (as provided)
  • Connector / Terminal: Special Connector (assembled with wire harnesses, connecting plates and terminal covers)
  • Plug & Play: Batteries pre-assembled and ready to use
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof
  • Features: Low Self-discharge, High Vibration Resistance
  • Safety: U.L. Recognized
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatible Model: APC SMART-UPS XL SUA3000XLT

Benefits

  • Durability: Built with valve-regulated, spill-proof construction and high vibration resistance to withstand rack-mount and industrial environments, ensuring you get a long-lasting battery solution for your UPS system.
  • Long life and reliability: Low self-discharge and factory-fresh cells provide consistent capacity retention, delivering the long-lasting battery performance you need for scheduled runtime and unexpected outages.
  • High performance: The high rate discharge design enables the cartridge to supply elevated power output for short periods during critical events — an ideal trait of a high-performance UPS battery used in surge and high-demand scenarios.
  • Convenience: Plug & Play assembly with harnesses, plates, and terminal covers reduces installation time and lowers the risk of incorrect wiring, making replacement straightforward for technicians and IT staff.
  • Safety and compliance: U.L. recognized components and factory testing ensure the replacement UPS battery meets strict quality and safety expectations.
  • Typical applications: Specifically tuned for UPS systems (APC SMART-UPS XL SUA3000XLT), emergency power supply circuits, server racks, telecommunications closets, and other battery-powered or backup power tools and equipment.

This replacement UPS battery cartridge for the APC SMART-UPS XL SUA3000XLT is an excellent choice when you need a dependable, high-performance UPS battery and a long-lasting battery solution. Orders for in-stock units typically ship within 24 hours — buy now to restore full runtime and protect your critical equipment.


Payment & Security

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