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SigmasTek  |  SKU: BW-4866

Best Technologies FERRUPS FE 10KVA UPS High Performance Replacement Battery Set

Sale price $924.84 USD Regular price $1,341.02
Shipping calculated at checkout.

➤ Contains 10 brand new SigmasTek SP12-35 NB batteries (12V 35AH) for Best Technologies FERRUPS FE 10KVA

➤ Designed for high rate discharge to provide instant power when needed

➤ Valve regulated, spill-proof batteries for safe, maintenance-free operation

➤ High vibration resistance ensures durability in demanding environments

➤ Certified quality and 1-year warranty for peace of mind


📦🚀 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

SigmasTek SP12-35 NB Replacement Battery Set for Best Technologies FERRUPS FE 10KVA UPS

Designed specifically for the Best Technologies FERRUPS FE 10KVA, this replacement UPS battery set delivers dependable compatibility, consistent performance, and proven reliability. Each kit includes ten brand-new SigmasTek SP12-35 NB batteries (12 Volts, 35 AH) engineered for high rate discharge UPS applications where short bursts of elevated power are required. If you need a dependable, high-performance UPS solution, this replacement UPS battery set is built to restore runtime and protect critical equipment in server rooms, network closets, and emergency power systems.

Key Specifications

  • Battery Quantity: 10 batteries per set
  • Battery Model: SigmasTek SP12-35 NB
  • Voltage: 12 Volts
  • Capacity: 35 AH (Amp-hours)
  • Terminal Type: Nut & Bolt
  • Construction: Valve Regulated, Spill Proof
  • Design: High Rate Discharge
  • Features: Low Self-discharge, High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatible UPS Model: Best Technologies FERRUPS FE 10KVA

Benefits

This high-performance UPS battery set is engineered for durability and dependable service life. The valve regulated, spill-proof construction and low self-discharge characteristics help ensure a long-lasting battery that stays ready for duty even after periods of storage. High vibration resistance and a rugged high-rate discharge design make these batteries well suited to demanding UPS environments where reliable short-term power delivery is critical.

As a replacement UPS battery option, the SigmasTek SP12-35 NB set restores your Best Technologies FERRUPS FE 10KVA to OEM-level performance. Expect consistent capacity under load, reduced maintenance compared with flooded cells, and the safety assurance of U.L. recognition and CE certification. Typical applications include Uninterruptible Power Supply (UPS) units, emergency power supply systems, and battery-powered tools that require dependable backup in critical moments.

Technicians and facilities managers will appreciate that these batteries are factory fresh and tested to meet or exceed OEM specifications. Please note: you must reuse the existing cables and hardware from your original configuration to connect these replacement batteries to your Best Technologies FERRUPS FE 10KVA.

Ready to upgrade? Purchase this high-performance UPS battery replacement set for the Best Technologies FERRUPS FE 10KVA today and restore protection to your critical systems with a long-lasting battery solution.


Payment & Security

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