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SigmasTek  |  SKU: BW-3859

PowerWare PW3115-300VA UPS Compatible Replacement Battery

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

➤ Absorbent Glass Mat (AGM) technology for reliable power

➤ High rate discharge design for optimal performance

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

➤ U.L. recognized and CE certified for trusted quality

➤ Brand new and factory fresh with 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 | 7.5 Ah

Terminal Type

F2

Replacement SigmasTek 12V 7.5Ah F2 Battery for PowerWare PW3115-300VA

Restore the backup capability of your PowerWare PW3115-300VA with this fully compatible replacement UPS battery. Offering OEM-equivalent performance and reliability, this high-performance UPS battery uses AGM technology and a high rate discharge design to deliver dependable, maintenance-free power when you need it most.

Key Specifications

  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 7.5 Ah
  • Terminal Type: F2
  • Compatibility: PowerWare PW3115-300VA
  • Battery Technology: Absorbent Glass Mat (AGM)
  • Design: High Rate Discharge Design
  • Maintenance: Maintenance-Free with Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Typical Applications: Emergency Power Supply, Battery Powered Tools

Benefits

Designed to be a long-lasting battery solution for UPS and emergency power setups, this replacement UPS battery offers dependable cycle life and consistent voltage under load. AGM technology provides enhanced safety through sealed, spill-proof construction, while the maintenance-free design reduces the time and cost of upkeep. Whether protecting home networking equipment, small servers, or power tools, this battery is optimized to support the PowerWare PW3115-300VA through outages and short-term power events.

As a high-performance UPS battery, it supports high rate discharge scenarios and delivers the surge current required by many UPS systems during transfer events. U.L. recognition and CE certification confirm that this product meets recognized safety and performance standards. Being brand new and factory fresh, it arrives ready to provide reliable service and is backed by a 1 year warranty for added confidence.

The compact 12V 7.5Ah rating and F2 terminal type ensure a straightforward replacement process for compatible PowerWare units. Use this battery for routine UPS maintenance or as an upgrade to restore full runtime capabilities to your system. Its robust construction and certification make it suitable for a wide range of applications including UPS backup, emergency power supplies, and battery-powered tools.

Secure uninterrupted protection for your equipment today. Order the SigmasTek 12V 7.5Ah F2 replacement battery for the PowerWare PW3115-300VA and get back to reliable, high-performance UPS power.



Payment & Security

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