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SigmasTek  |  SKU: BW-2945

PowerWare PW5125-1500 Premium Quality UPS Replacement Battery Set

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

➤ Includes 4 new SigmasTek SP12-7.5HR batteries (12V 7.5AH) for PowerWare PW5125-1500

➤ High rate discharge design ideal for UPS and emergency power supply systems

➤ Valve regulated, spill-proof batteries require no maintenance

➤ Features low self-discharge and high vibration resistance for long-lasting use

➤ U.L. recognized and CE certified with a 1-year warranty included


📦🚀 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 PowerWare PW5125-1500

Replace aging cells in your PowerWare PW5125-1500 with this quality SigmasTek replacement battery set. Built for reliable, high rate discharge performance, this kit restores backup runtime and helps ensure continuous protection for servers, workstations, and emergency systems. If you need a high-performance, long-lasting battery solution tailored to the PW5125-1500, this set is engineered to meet those needs.

Key Specifications

  • Compatible UPS Model: PowerWare PW5125-1500
  • Battery Brand: SigmasTek
  • Battery Model: SP12-7.5HR
  • Quantity Included: 4 batteries
  • Voltage: 12 Volts
  • Capacity: 7.5 AH
  • Terminal Type: F2
  • Design: High Rate Discharge
  • 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
  • Installation Note: Use existing cables and hardware from original configuration

Benefits

This replacement UPS battery package delivers robust performance and dependable longevity for critical backup systems. The high rate discharge profile supports high-power demands for brief periods, which is essential for preserving uptime during power events. Valve regulated, spill-proof construction reduces maintenance and improves safety in confined equipment racks, while low self-discharge helps batteries retain charge during prolonged standby.

As a high-performance UPS battery option, the SigmasTek SP12-7.5HR set is ideal for Uninterruptible Power Supply (UPS) units, emergency power supply systems, and battery-powered tools that require reliable short-term high output. These factory-fresh, certified batteries are individually tested to meet or exceed OEM performance expectations, offering a reliable, long-lasting battery upgrade for the PowerWare PW5125-1500.

If you need help confirming compatibility or planning installation, our experienced customer service team is available at to assist with technical questions and guidance.

Ready to upgrade to a long-lasting battery solution? Order this replacement UPS battery set for the PowerWare PW5125-1500 now. In-stock orders typically ship within 24 hours and include a 1 year warranty for added peace of mind.


Payment & Security

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