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SigmasTek  |  SKU: BW-2658

Best Power FERRUPS FE 5.3KVA UPS Compatible Replacement Battery Set

Sale price $791.99 USD Regular price $1,159.90
Shipping calculated at checkout.

➤ Set includes 4 SigmasTek SP12-75 IT batteries (12V, 75 AH), factory fresh

➤ High rate discharge design supports high power UPS units

➤ Valve regulated, spill-proof for safe, maintenance-free use

➤ Low self-discharge enhances reliability during storage

➤ Certified quality 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 | 75 AH

Terminal Type

Internal Thread

Replacement SigmasTek SP12-75 IT Battery Set for Best Power FERRUPS FE 5.3KVA

Ensure uninterrupted protection for your Best Power FERRUPS FE 5.3KVA with this brand new replacement UPS battery set. These SigmasTek SP12-75 IT batteries are built for compatibility, delivering consistent performance and dependable runtime for critical infrastructure. If you’re looking for a high-performance UPS battery or a long-lasting battery option for emergency systems, this kit offers the reliability and power density required by modern UPS applications.

Key Specifications

  • Compatible UPS model: Best Power FERRUPS FE 5.3KVA
  • Battery model: SigmasTek SP12-75 IT
  • Quantity: 4 batteries per set
  • Voltage: 12 Volts
  • Capacity: 75 AH
  • Terminal type: Internal Thread
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Feature: Low Self-discharge
  • Feature: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Installation note: Use existing cables and hardware from original configuration

Benefits

  • Long-lasting battery life — Designed for low self-discharge and rugged construction to deliver sustained service life in UPS racks and backup installations.
  • High short-term power — The high rate discharge design supplies the burst power needed during transfer and high-load events, making this a dependable high-performance UPS battery choice.
  • Safe and certified — U.L. recognition and CE certification confirm adherence to international safety and quality standards for peace of mind in critical settings.
  • Versatile use cases — Perfect for Uninterruptible Power Supply (UPS) units like the Best Power FERRUPS FE 5.3KVA, emergency power supply systems, and battery-powered tools requiring reliable power delivery.
  • Factory-fresh and tested — Each set is brand new, factory fresh, and tested to meet or exceed OEM specifications before shipment.
  • Streamlined replacement — Includes four batteries per set; reuse your original cables and hardware for simple installation and minimal downtime.

Ready to upgrade your UPS backup? Buy this replacement UPS battery set for the Best Power FERRUPS FE 5.3KVA today and get a high-performance UPS battery and a long-lasting battery investment backed by a 1 Year Warranty. Order now to take advantage of fast shipping on in-stock items.


Payment & Security

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