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SigmasTek  |  SKU: BW-2485

Liebert GXT3-288RTBKIT UPS High Performance Replacement Battery Set

Sale price $593.99 USD Regular price $869.43
Shipping calculated at checkout.

➤ Includes 24 SigmasTek SP12-9HR batteries (12V 9AH) for Liebert GXT3-288RTBKIT UPS

➤ High rate discharge design ensures powerful, short-term energy bursts

➤ Valve regulated, spill-proof for safe and easy maintenance-free operation

➤ Low self-discharge and vibration resistance extend battery life

➤ Factory fresh with U.L. and CE certification and 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

12 Volts | 9 AH

Terminal Type

F2

Replacement Battery Set for Liebert GXT3-288RTBKIT

Restore full backup capability to your Liebert GXT3-288RTBKIT with this comprehensive replacement UPS battery set. Containing 24 factory-fresh SigmasTek SP12-9HR batteries, this pack is optimized for the GXT3 rack and cabinet series, delivering dependable runtime, high-rate discharge performance, and tested quality. If you need a high-performance UPS battery solution that offers long-term reliability, this replacement set is engineered to meet your critical power needs.

Key Specifications

  • Included Batteries: 24 x SigmasTek SP12-9HR
  • Voltage: 12 Volts (per battery)
  • Capacity: 9 AH (per battery)
  • Battery Model: SP12-9HR
  • Brand: SigmasTek
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof
  • Features: Low Self-discharge
  • Durability: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatibility: Liebert GXT3-288RTBKIT
  • Note: Requires use of existing cables and hardware from the original UPS configuration

Benefits

  • Durability: Designed with spill-proof, valve-regulated construction and high vibration resistance to endure the rigors of data center and edge deployments.
  • Long Life: Low self-discharge chemistry and new-from-factory condition provide a long-lasting battery option ideal for planned replacements or emergency readiness.
  • High Performance: High rate discharge capability ensures the UPS can handle short-duration, high-power events—this is a high-performance UPS battery pack for Liebert systems.
  • Safety and Compliance: U.L. recognized and CE certified components help meet regulatory expectations for enterprise deployments.
  • Thoroughly Tested: Our technical staff verifies that each replacement UPS battery set meets or exceeds OEM specifications for the Liebert GXT3-288RTBKIT to restore expected runtime and protection.
  • Wide Application: Perfect for Uninterruptible Power Supply units, emergency power supplies, and battery-powered tools or equipment requiring dependable backup power.
  • Cost-Effective Maintenance: Replace the battery array without replacing the entire UPS—restore performance and extend service life at a fraction of the cost.

Don’t risk downtime—order the replacement UPS battery set for the Liebert GXT3-288RTBKIT today. Secure a tested, high-performance UPS battery solution and a long-lasting battery replacement backed by a 1 year warranty. Purchase now for fast shipping and dependable protection.


Payment & Security

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