For support or quotes: sales@batteryweb.com

🎉 First Order : Get 10% OFF! 🎉

WELCOME10
SigmasTek  |  SKU: BW-4006

Eaton Powerware PW3115-300 UPS High Performance Replacement Battery

Sale price $14.91 USD Regular price $18.84
Shipping calculated at checkout.

➤ Absorbent Glass Mat (AGM) technology for superior performance

➤ High rate discharge design supports heavy power demands

➤ Maintenance-free, spill-proof construction for safety and convenience

➤ U.L. recognized and CE certified for reliable quality assurance

➤ Includes 1-year warranty and guaranteed 100% compatibility


📦🚀 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.

📸 Send Your Battery Photo / Unsure? Expert Help

Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
POST YOUR IMAGE

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 Replacement Battery for Eaton Powerware PW3115-300

Designed for reliable compatibility with the Eaton Powerware PW3115-300, this replacement UPS battery delivers dependable performance when you need it most. Engineered using Absorbent Glass Mat (AGM) technology and a high rate discharge design, this battery provides consistent power delivery for your UPS, protecting servers, networking equipment, and critical electronics from outages and brownouts. Whether you’re replacing an aging pack or stocking spares, this high-performance UPS battery is built to meet or exceed OEM SLA specifications while offering a cost-effective alternative to factory packs.

Key Specifications

  • Compatible Model: Eaton Powerware PW3115-300
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 7.5 Ah
  • Terminal Type: F2
  • Battery Type: Sealed Lead Acid (SLA) with AGM Technology
  • Design: High Rate Discharge, Maintenance-Free, Spill Proof
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Typical Applications: UPS systems, Emergency Power Supply, Battery Powered Tools

Benefits

  • Durability: AGM construction and spill-proof design make this replacement UPS battery robust in a variety of operating environments. The sealed, maintenance-free design reduces the risk of leaks and corrosion while simplifying installation and upkeep.
  • Long Life: Built to OEM SLA standards, this long-lasting battery offers reliable cycle life and stable capacity over time, helping you avoid unexpected downtime and costly emergency replacements.
  • High Performance: The high rate discharge design ensures rapid energy delivery during an outage, maintaining inverter output and protecting connected equipment. This high-performance UPS battery is optimized for the quick response characteristics required by Powerware UPS systems.
  • Safety & Certification: U.L. recognition and CE certification provide reassurance that the battery meets established safety and quality benchmarks for consumer and professional use.
  • Versatile Applications: Ideal for UPS backup, emergency power systems, and battery-powered tools, this pack is a versatile spare that keeps critical systems operational during power interruptions.
  • Cost-Effective Replacement: Offering brand-new, factory-fresh condition at a competitive price, this battery provides the balance of value and performance for business and home users alike.

Ready to restore dependable backup power to your Eaton Powerware PW3115-300? Order this SigmasTek replacement UPS battery today to ensure uninterrupted protection for your equipment. Click to purchase and get fast shipping and a 1 Year Warranty for peace of mind.



Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.