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SigmasTek  |  SKU: BW-4767

Best Technologies FERRUPS MX 1KVA UPS Compatible Replacement Battery Set

Sale price $331.28 USD Regular price $418.40
Shipping calculated at checkout.

➤ Set of 4 high rate discharge batteries (12V 35AH)

➤ Safe valve regulated and spill proof design

➤ Low self-discharge ensures reliable power

➤ Tested to exceed OEM standards for UPS units

➤ 1 year warranty and factory fresh quality


📦🚀 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

Replacement Battery Set for Best Technologies FERRUPS MX 1KVA (SigmasTek SP12-35 NB)

Upgrade the backup power for your Best Technologies FERRUPS MX 1KVA with this brand new replacement UPS battery set. Designed for consistent reliability and strong short-term discharge capability, this pack ensures your UPS can deliver critical power when you need it most. Ideal for IT closets, small server rooms and edge installations, these batteries restore factory-level performance to your UPS system.

Key Specifications

  • Compatible UPS Model: Best Technologies FERRUPS MX 1KVA
  • Included Batteries: 4 x SigmasTek SP12-35 NB
  • Voltage: 12 Volts
  • Capacity: 35 AH (amp-hours)
  • Terminal Type: Nut & Bolt (NB)
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • 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
  • Installation Note: Use all existing cables and hardware from your original configuration to connect the new batteries

Benefits

These replacement batteries are built for durability and long life, delivering consistent output across many cycles. As a long-lasting battery option for your FERRUPS MX 1KVA, they are optimized for high-rate discharge scenarios, making them a smart choice when maximum short-term power is required. Valve-regulated, spill-proof construction reduces maintenance and improves safety during handling and installation. Low self-discharge behavior helps retain charge if batteries are stored before installation, and rugged vibration resistance suits them to environments with mechanical stress.

Applications include Uninterruptible Power Supply (UPS) systems such as the Best Technologies FERRUPS MX 1KVA, emergency power setups, and battery-powered tools that require dependable backup capacity. This high-performance UPS battery set meets industry certifications (U.L. and CE) and comes factory-fresh with a one-year warranty for peace of mind. Our tech team individually tests each set to ensure compatibility and to meet or exceed OEM specifications, so you receive reliable performance from day one.

Choose this SigmasTek SP12-35 NB replacement UPS battery kit to restore runtime and keep critical systems online. Purchase with confidence and ensure your FERRUPS MX 1KVA is protected against unexpected power interruptions.



Payment & Security

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