For questions, quotes, or help finding the right battery, feel free to email us at sales@batteryweb.com

New collections added! Learn more

🎉 First Order Special 🎉

First-time shoppers get 5% OFF on batteries & accessories!

WELCOME5
SigmasTek  |  SKU: BW-2722

Liebert UPStation GXT3000RT-120 Compatible Replacement UPS Battery Set

Sale price $131.99 USD Regular price $193.14
Shipping calculated at checkout.

➤ Set of 8 SigmasTek SP12-7.5HR batteries for Liebert UPStation GXT3000RT-120 UPS

➤ Designed for high rate discharge, meeting or exceeding OEM specifications

➤ Valve regulated and spill-proof for enhanced safety and durability

➤ Low self-discharge ensures readiness when you need it most

➤ Comes with 1-year warranty and fast shipping on in-stock orders


📦🚀 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.

📸 Send Your Battery Photo / Unsure? Expert Help

Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
POST YOUR IMAGE

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 | 7.5 Ah

Terminal Type

F2

Replacement Battery Set for Liebert UPStation GXT3000RT-120

Restore reliable backup power for your Liebert UPStation GXT3000RT-120 with this complete, brand new replacement UPS battery set. Designed for compatibility and dependable runtime, this kit contains eight SigmasTek SP12-7.5HR batteries built for high rate discharge performance. If you need a high-performance UPS battery that meets strict safety certifications and provides consistent output during critical events, this replacement set gives you the confidence to keep systems online and protected.

Key Specifications

  • Battery Model: SigmasTek SP12-7.5HR
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 7.5 Ah (Ampere-hours)
  • Quantity: 8 batteries (full replacement set)
  • Terminal Type: F2
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated, Spill Proof
  • Features: Low Self-discharge; High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year
  • Compatible With: Liebert UPStation GXT3000RT-120 UPS unit
  • Applications: Uninterruptible Power Supply (UPS) Units, Emergency Power Supply, Battery Powered Tools

Benefits

This replacement UPS battery set offers durability and long life to sustain your Liebert UPStation GXT3000RT-120 through demanding power events. The high rate discharge capability ensures the UPS can deliver elevated power for short durations when needed, while valve regulated and spill proof construction reduces maintenance and enhances safety during installation and service. Low self-discharge characteristics help preserve stored capacity so batteries are ready when called upon.

Built to perform, these SigmasTek batteries are U.L. Recognized and CE Certified, giving you a high-performance UPS battery solution for data centers, network closets, and emergency power systems. High vibration resistance improves resilience in environments subject to movement or mechanical stress. Typical uses include supporting UPS units for servers and telecommunications, providing emergency power in facilities, and enabling battery powered tools during service tasks.

Don’t wait until your backups are compromised. Purchase this replacement UPS battery kit for the Liebert UPStation GXT3000RT-120 today — stock items generally ship within 24 hours. Secure reliable, long-lasting battery power now.


Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.