For questions, quotes, or help finding the right battery, feel free to email us at sales@batteryweb.com

New collections added! Learn more

🎉 First Order Special 🎉

First-time shoppers get 5% OFF on batteries & accessories!

WELCOME5
SigmasTek  |  SKU: BW-2671

Best Power FERRUPS FC 15KVA UPS Compatible Replacement Battery Set

Sale price $2,771.99 USD Regular price $4,059.66
Shipping calculated at checkout.

➤ Replacement pack of 14 SigmasTek SP12-75 IT batteries (12V 75AH) for Best Power FERRUPS FC 15KVA

➤ High rate discharge design supports peak UPS power demands

➤ Valve regulated and spill-proof to minimize maintenance

➤ Low self-discharge keeps batteries ready for use

➤ Certified and factory fresh with 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.

📸 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 | 75 AH

Terminal Type

Internal Thread

SigmasTek SP12-75 IT Replacement Battery Set for Best Power FERRUPS FC 15KVA UPS

Upgrade the runtime and reliability of your Best Power FERRUPS FC 15KVA with this complete replacement UPS battery set. Engineered to deliver dependable, high-rate output when you need it most, this set includes 14 SigmasTek SP12-75 IT batteries (12 Volts, 75 AH) designed specifically for demanding UPS applications. Whether you need a high-performance UPS battery for data center protection or a long-lasting battery for emergency power, these factory-fresh SigmasTek cells provide consistent voltage, low self-discharge and robust vibration resistance. Please note: you must reuse all existing cables and hardware from your original configuration to connect these new batteries.

Key Specifications

  • Compatible UPS Model: Best Power FERRUPS FC 15KVA
  • Battery Model: SigmasTek SP12-75 IT
  • Quantity: 14 batteries
  • Voltage: 12 Volts
  • Capacity: 75 AH
  • Terminal Type: Internal Thread
  • Design: High Rate Discharge Design
  • 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 Warranty
  • Brand: SigmasTek

Benefits

These SigmasTek SP12-75 IT batteries are engineered for performance and longevity. The high rate discharge design ensures the pack can supply elevated power for short, critical intervals — ideal for protecting servers, networking equipment, telecommunications gear and industrial controls. The valve-regulated, spill-proof construction minimizes maintenance while providing safe, sealed operation. Low self-discharge helps preserve capacity during storage or intermittent use, making this a long-lasting battery solution for seasonal or backup applications.

Robust vibration resistance and U.L. recognized and CE certified manufacturing mean these replacement UPS batteries can perform reliably in a variety of environments, from climate-controlled racks to heavier industrial installations. As a high-performance UPS battery solution, this set supports emergency power systems and battery-powered tools when necessary, giving you flexible, dependable backup power. Our technical staff tests each battery to ensure it meets or exceeds OEM performance expectations, delivering consistent output and reduced downtime risk.

Because these are sold as a replacement UPS battery set, they are intended to be installed using your UPS’s existing cabling and hardware — no modifications to the original rack wiring are required beyond reconnection. Orders for in-stock items typically ship within 24 hours for rapid restoration of your Best Power FERRUPS FC 15KVA UPS.

Ready to restore full runtime and protection for your Best Power FERRUPS FC 15KVA? Purchase this high-performance UPS battery set now and benefit from a reliable, long-lasting battery solution backed by a 1 year warranty. Contact our customer service at if you need assistance.


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.