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SigmasTek  |  SKU: BW-1554

Best Technologies FERRUPS ME 2.1KVA Compatible Replacement Battery Set

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

➤ Set of 4 replacement 12V 35AH batteries for Best Technologies FERRUPS MD 2KVA UPS

➤ UL certified for reliable and safe UPS backup power

➤ Nut & bolt terminal type for direct compatibility

➤ Maintenance-free AGM sealed lead acid chemistry

➤ 1-year warranty and fast shipping 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.

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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 Technologies FERRUPS ME 2.1KVA - Replacement 12V 35AH UPS Battery Set

Maintain uninterrupted protection for your Best Technologies FERRUPS ME 2.1KVA with this set of four replacement UPS batteries. These replacement batteries are engineered for compatibility and long-term reliability, utilizing AGM sealed SLA technology and UL certification to ensure safe, consistent performance. This kit delivers the complete set you need to restore the original backup capacity of your UPS.

Key Specifications

  • Package contains: 4 batteries (complete replacement set)
  • Chemistry: SLA (Sealed Lead Acid)
  • Technology: AGM (Absorption Glass Mat)
  • Guaranteed compatibility with original battery set
  • Warranty: 1-year Warranty
  • Volts: 12 V
  • Amp Hours: 35 AH
  • Weight: 98.8 Lbs (total package weight as listed)
  • Length: 7.72 In
  • Width: 5.14 In
  • Height: 6.14 In
  • Terminal type: NB (nut & bolt)
  • Certification: UL (Underwriters Laboratories) certified
  • Brand / Spec Sheet: SigmasTek (spec sheet referenced)
  • Shipping: UPS Ground and USPS; in-stock items ship in 1 business day

Benefits

  • Durability: The sealed AGM design minimizes maintenance and prevents electrolyte leakage, increasing safety and lifespan inside your FERRUPS ME 2.1KVA enclosure.
  • Long life: Built to meet or exceed OEM specifications, this long-lasting battery solution helps ensure predictable runtime and fewer replacements over time.
  • High performance: Reliable charge acceptance and steady output under load make this a high-performance UPS battery kit suitable for protecting servers, networking gear, and critical electronics.
  • Certified and safe: UL certification provides assurance that these batteries conform to established safety standards for UPS use.
  • Easy installation: Delivered as a 4-battery kit to match the original pack configuration. Reuse your existing NB terminal cables and hardware for a straightforward swap.
  • Typical applications: Perfect for UPS systems, emergency power supplies, telecommunication racks, point-of-sale systems, and equipment rooms requiring consistent backup power.

Ready to replace your Best Technologies FERRUPS ME 2.1KVA battery pack? Purchase this replacement UPS battery set now to restore reliable backup power. For single battery purchases, visit our UPS Batteries by V and AH listings. Need help? Contact our customer service via email, chat, or call toll free at (800) 657-1303. Order today for a dependable, long-lasting battery solution.


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