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SigmasTek  |  SKU: BW-3601

Best Technologies LI 675 UPS High Performance Replacement Battery Set

Sale price $29.82 USD Regular price $37.67
Shipping calculated at checkout.

➤ Includes 2 brand new SigmasTek SP12-7.5HR batteries (12V 7.5AH)

➤ High rate discharge design for short-term high power output

➤ Valve regulated, spill-proof construction for safe operation

➤ Low self-discharge and high vibration resistance for reliability

➤ U.L. recognized, CE certified, with 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 | 7.5 Ah

Terminal Type

F2

Replacement SigmasTek SP12-7.5HR Battery Set for Best Technologies LI 675 UPS

Upgrade your Best Technologies LI 675 Uninterruptible Power Supply with this reliable, brand new replacement UPS battery set. Designed for compatibility and consistent performance, this two-battery pack delivers dependable backup power and is ideal when you need a high-performance UPS battery to maintain uptime. Please note: you must reuse all existing cables and hardware from your original configuration to connect the new UPS batteries. These SigmasTek units are factory fresh and built to provide stable, long-lasting battery performance you can trust.

Key Specifications

  • Battery Model: SigmasTek SP12-7.5HR (set of 2)
  • Voltage: 12 Volts
  • Capacity: 7.5 AH
  • Terminal Type: F2
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction (VRLA)
  • Features: Low Self-discharge
  • Durability: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatible UPS Model: Best Technologies LI 675

Benefits

This replacement UPS battery set is engineered for durability and sustained high performance. The high rate discharge design ensures the batteries can deliver higher power output for short bursts—perfect for the demands of UPS systems during critical transitions. The valve regulated spill proof construction reduces maintenance and prevents leaks, making these batteries safer and cleaner to install inside the Best Technologies LI 675. Low self-discharge means batteries hold charge longer in storage, helping ensure your replacement is ready when you need it. High vibration resistance increases reliability in environments where equipment may be subject to movement or minor shocks.

As a high-performance UPS battery, this SigmasTek set is ideal for uninterruptible power supply applications, emergency power systems, and battery-powered tools. It’s also a great option for IT cabinets, small server rooms, medical backup devices, and point-of-sale systems that rely on the Best Technologies LI 675. The U.L. recognition and CE certification provide added confidence that these batteries meet established safety and performance standards.

Our technical team tests every replacement UPS battery to help ensure it meets or exceeds OEM specifications. If you’re replacing aging cells in your Best Technologies LI 675, this set provides a fast, effective way to restore reliable backup power with a long-lasting battery solution.

Ready to restore full backup power? Buy this replacement UPS battery set for the Best Technologies LI 675 today and enjoy fast shipping and dependable performance.



Payment & Security

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