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SigmasTek  |  SKU: BW-3002

Liebert PS1000RT2-120 UPS High Performance Replacement Battery Set

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

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

➤ Designed for high rate discharge in UPS and emergency power supply use

➤ Valve regulated, spill-proof batteries with low self-discharge

➤ Tested to meet or exceed OEM specifications for reliability

➤ Backed by 1-year warranty and quick shipping within 24 hours


📦🚀 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 PS1000RT2-120

Get back to full backup capacity with this replacement UPS battery set specifically matched to the Liebert PS1000RT2-120. This 4-pack of SigmasTek SP12-7.5HR batteries is engineered for dependable performance, consistent runtimes, and reliable operation when the lights go out. Important: you must reuse your original cables and hardware to properly connect the new batteries.

Key Specifications

  • Battery model: SigmasTek SP12-7.5HR
  • Quantity: 4 batteries per set
  • Voltage: 12 Volts
  • Capacity: 7.5 AH (amp-hours)
  • Terminal: F2
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Performance features: Low Self-discharge; High Vibration Resistance; Superior Performance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatible UPS model: Liebert PS1000RT2-120

Benefits

Engineered for robustness and longevity, this set offers a low self-discharge profile to retain charge during storage and a valve-regulated spill-proof build for safe, maintenance-free operation. The high vibration resistance protects internal components from shocks and movement, making these batteries suitable for rack-mounted and mobile installations. Certified by U.L. and CE, they meet recognized safety and quality standards.

Designed as a high-performance UPS battery option, this replacement set supports high rate discharge demands — delivering greater power output for short intervals to stabilize systems during abrupt outages. That makes it an excellent choice for keeping servers, networking gear, POS systems, and sensitive electronics running long enough for controlled shutdowns or graceful failover.

Common uses include Uninterruptible Power Supply (UPS) units like the Liebert PS1000RT2-120, emergency power systems, and a variety of battery-powered tools that require dependable, repeatable output. Our technical team tests each battery to ensure it meets or exceeds OEM expectations, providing a practical and cost-effective alternative to OEM packs while delivering a long-lasting battery solution.

Don’t wait until your UPS cannot protect critical equipment — purchase this high-performance replacement UPS battery set for the Liebert PS1000RT2-120 today and take advantage of fast shipping and a 1 year warranty.


Payment & Security

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