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-1544

Best Power FERRUPS MX 1KVA High Performance Replacement Battery Set

Sale price $366.99 USD Regular price $524.08
Shipping calculated at checkout.

➤ Complete set of 4 replacement 12V 35AH UPS batteries for Best Power FERRUPS MD 2KVA

➤ AGM technology ensures spill-proof, vibration-resistant performance

➤ UL certification guarantees quality and adherence to industry standards

➤ Nut & bolt (NB) terminal configuration for secure and easy installation

➤ 1-year warranty and quick UPS/USPS ground shipping provided


📦🚀 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 | 35 AH

Terminal Type

Nut & Bolt

Best Power FERRUPS MX 1KVA Replacement Batteries (4 × 12V 35AH, NB) - Compatible with Best Power FERRUPS MX 1KVA

Maintain reliable backup power for your Best Power FERRUPS MX 1KVA with this full set of four replacement UPS batteries. Each battery uses Absorption Glass Mat (AGM) sealed battery technology and the set is UL certified to ensure safety and dependable operation. Built to meet or exceed the original specifications, this high-performance UPS battery set provides the durability and runtime required for mission-critical loads, emergency systems, and UPS applications.

Key Specifications

  • Compatible UPS Model: Best Power FERRUPS MX 1KVA
  • Volts: 12 V (each battery)
  • Amp Hours: 35 AH (each battery)
  • Terminal: NB (Nut & Bolt)
  • Chemistry: SLA (Sealed Lead Acid)
  • Technology: AGM (Absorption Glass Mat) Sealed Battery
  • Package contains: 4 batteries (price includes all 4 batteries)
  • Weight: 98.8 Lbs (set)
  • Length: 7.72 In
  • Width: 5.14 In
  • Height: 6.14 In
  • Warranty: 1-year Warranty
  • Brand / Spec Sheet Reference: SigmasTek / Best Power
  • Shipping Methods: UPS Ground and USPS (ships in 1 business day for in-stock items)
  • Guaranteed compatibility with original battery set

Benefits

  • High Durability: The AGM sealed design ensures a maintenance-free, leak-proof solution that withstands the demands of UPS and emergency power installations.
  • Long-Lasting Battery Life: Dimensioned and specified to match the original set, these batteries deliver consistent performance and extended runtime so you can rely on backup power when needed.
  • High-Performance Output: Each 35AH battery supports sustained loads and voltage stability, making this set a dependable high-performance UPS battery option for the FERRUPS MX 1KVA.
  • Certified Safety: UL certification assures safe integration into sensitive equipment and critical backup systems.
  • All-in-One Replacement: The set includes all 4 required batteries, simplifying replacement and ensuring compatibility across the battery bank.
  • Versatile Uses: Ideal for UPS systems, emergency power, telecom, server racks, and other applications requiring reliable 12V battery banks.
  • Installation Notes: Install in the original configuration and reuse existing cables and hardware; confirm physical dimensions before ordering as manufacturer specs can change.
  • Expert Support: For help or questions, reach customer service via email, chat, or call toll-free at (800) 657-1303.

Ready to secure dependable backup for your Best Power FERRUPS MX 1KVA? Order this complete set of replacement UPS batteries now for fast shipping, UL-certified quality, and a 1-year warranty — ensure continuous protection for your critical equipment today.


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.