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SigmasTek  |  SKU: BW-1592

Best Power FERRUPS FE 500VA High Performance Replacement Battery Set

Sale price $183.99 USD Regular price $262.04
Shipping calculated at checkout.

➤ Includes 2 replacement 12V 35AH UPS batteries with NB terminal

➤ Features AGM technology for sealed, maintenance-free operation

➤ UL certified and designed for Best Power FERRUPS FE 500VA UPS compatibility

➤ Easy to install using existing cables and hardware

➤ Covered by a 1-year warranty for reliable performance


📦🚀 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 | 35 AH

Terminal Type

Nut & Bolt

Best Power FERRUPS FE 500VA Replacement UPS Battery (Compatible with Best Power FERRUPS FE 500VA)

Keep your Best Power FERRUPS FE 500VA operating at peak reliability with this direct replacement UPS battery set. Designed to meet or exceed the original specifications, this pair delivers dependable performance and consistent runtime for your UPS. If you need a replacement UPS battery that combines safety, capacity, and quality, this sealed AGM set is an excellent choice for home, office, and professional applications.

Key Specifications

  • Package contains: 2 batteries
  • Volts: 12 V
  • Amp Hours: 35 AH
  • Chemistry: SLA (Sealed Lead Acid)
  • Technology: AGM (Absorption Glass Mat) Sealed Battery Technology
  • Terminal: NB (Nut & Bolt)
  • Weight: 49.4 Lbs
  • Length: 7.72 In
  • Width: 5.14 In
  • Height: 6.14 In
  • Guaranteed compatibility with original battery set
  • UL certified
  • Warranty: 1-year Warranty
  • Shipping: UPS Ground and USPS; we ship in 1 business day for all in-stock items
  • Brand: SigmasTek

Benefits

Built for longevity and steady performance, these AGM batteries provide a long-lasting battery solution for your Best Power FERRUPS FE 500VA. AGM technology improves charge efficiency and cycle life while reducing maintenance needs, which makes this a long-term, cost-effective choice. The batteries are UL-certified to ensure safety and reliability in sensitive installations.

As a high-performance UPS battery option, this set supports critical applications including UPS systems, emergency backup power, communication equipment, medical devices (where approved), and workshop tools where regulated power is required. Expect robust resistance to deep discharge and strong recovery after recharge cycles.

Installation is simple: place the new Best Power FERRUPS FE 500VA replacement batteries into your UPS using the existing cables and hardware, maintaining the original configuration. Always confirm the physical dimensions against your current batteries prior to ordering.

Don’t let worn batteries compromise your Best Power FERRUPS FE 500VA. Purchase this high-performance, replacement UPS battery pair now to restore full backup capability and enjoy fast shipping and a 1-year warranty. Order today and protect your equipment from unexpected power loss.


Payment & Security

Payment methods

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