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SigmasTek  |  SKU: BW-2843

Liebert GXT 1000RTE-120 UPS High Performance Replacement Battery Set

Sale price $98.99 USD Regular price $144.87
Shipping calculated at checkout.

➤ Set of 6 SigmasTek SP12-7.5HR batteries, 12 Volts 7.5 AH capacity

➤ High vibration resistance maintains performance in tough conditions

➤ Low self-discharge prolongs battery life during storage

➤ Certified for safety and performance with UL and CE marks

➤ 1 year warranty included for dependable replacement


📦🚀 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

Replacement Battery Set for Liebert GXT 1000RTE-120 UPS (6 x SigmasTek SP12-7.5HR, 12V 7.5AH)

Ensure uninterrupted protection for your Liebert GXT 1000RTE-120 with this premium replacement UPS battery pack. This set includes 6 SigmasTek SP12-7.5HR batteries (12 Volts, 7.5 AH) and is purpose-built for high rate discharge scenarios where rapid power output is required. These brand new batteries provide stable, predictable performance and are an excellent choice when you need a high-performance UPS battery and a long-lasting battery solution for critical electronics. Please note you must reuse all existing cables and hardware from your original configuration when installing these batteries.

Key Specifications

  • Battery Count: 6
  • Brand / Model: SigmasTek SP12-7.5HR
  • Voltage: 12 Volts
  • Capacity: 7.5 AH (amp-hours)
  • Terminal: F2
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Features: Low Self-discharge, High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatible UPS Model: Liebert GXT 1000RTE-120

Benefits

  • Reliable protection — These batteries are manufactured to deliver consistent voltages under load to keep your Liebert GXT 1000RTE-120 operating through outages and brownouts.
  • High output when it matters — The high rate discharge design ensures the battery set can provide short bursts of increased power for equipment that demands it during transfer events.
  • Extended shelf and standby life — Low self-discharge reduces capacity loss when the batteries are idle, supporting a longer service window and readiness for unexpected events.
  • Built to last — Valve regulated, spill-proof construction and high vibration resistance make this kit durable for both stationary and mobile installations.
  • Safety-first design — U.L. Recognition and CE Certification provide assurance of compliance for professional installations.
  • Tested to perform — Each battery set is verified by technical staff to meet or exceed OEM specifications for the Liebert GXT 1000RTE-120, delivering a true replacement UPS battery option.
  • Versatile use — Ideal for Uninterruptible Power Supply (UPS) units, emergency power systems, and battery powered tools where dependable temporary power is necessary.

Ready to upgrade? Order this high-performance UPS battery replacement for your Liebert GXT 1000RTE-120 today and secure a reliable, long-lasting battery solution with fast shipping and a one year warranty.


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