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SigmasTek  |  SKU: BW-2993

Liebert GXT2 1500RT120 UPS Compatible Replacement Battery Set

Sale price $65.99 USD Regular price $96.57
Shipping calculated at checkout.

➤ Includes 4 SigmasTek SP12-7.5HR batteries (12V, 7.5AH)

➤ Designed for Liebert GXT2-1500RT-230 UPS units

➤ Valve regulated spill-proof construction for safe use

➤ Low self-discharge and high vibration resistance

➤ 1-year warranty and OEM spec tested


📦🚀 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 | 7.5 Ah

Terminal Type

F2

SigmasTek SP12-7.5HR Replacement Battery Set for Liebert GXT2 1500RT120

Restore full backup capability to your Liebert GXT2 1500RT120 with this reliable replacement UPS battery set. Delivered brand new, these SigmasTek SP12-7.5HR batteries are engineered for performance, safety, and long-term readiness so your UPS provides dependable protection when power is interrupted. This kit is an excellent choice when you're seeking a high-performance UPS battery that balances short-term high output with stable, long-lasting service.

Key Specifications

  • Quantity: 4 batteries per set
  • Battery model: SigmasTek SP12-7.5HR
  • Voltage: 12 Volts
  • Capacity: 7.5 AH
  • Terminal: F2
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Feature: Low Self-discharge
  • Feature: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Installation note: Must use all existing cables and hardware from original configuration

Benefits

These replacement batteries are tailored for high rate discharge UPS scenarios where brief, high-current output is essential—exactly the kind of performance expected from a quality replacement UPS battery for the Liebert GXT2 1500RT120. The valve-regulated, spill-proof construction provides safety and a maintenance-free experience, while low self-discharge ensures your UPS remains ready for months when not in active use. With high vibration resistance, these batteries are suited to installation environments that may experience shock or motion.

Each SigmasTek SP12-7.5HR cell arrives factory fresh and is tested by our technically proficient staff to guarantee performance that meets or exceeds OEM standards. Certifications such as U.L. recognition and CE mark underscore the product’s adherence to safety and quality norms. This kit is ideal for Uninterruptible Power Supply (UPS) units, emergency power supply systems, and battery powered tools that require reliable short-burst power delivery.

When replacing the batteries in your Liebert GXT2 1500RT120, be sure to reuse the original cables and mounting hardware for proper installation. In-stock orders typically ship within 24 hours, and our customer service team is available to answer questions and assist with compatibility concerns.

Don’t wait until your UPS backup is compromised. Purchase this high-performance, long-lasting replacement UPS battery set for the Liebert GXT2 1500RT120 today and secure dependable emergency power backed by a 1 year warranty.


Payment & Security

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