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SigmasTek  |  SKU: BW-2640

APC UXBP48 UPS Compatible Replacement Battery Set

Sale price $727.99 USD Regular price $1,065.75
Shipping calculated at checkout.

➤ Includes 4 high capacity 12V 75AH batteries for extended runtime

➤ Valve Regulated Spill Proof design for safe, maintenance-free use

➤ Low Self-discharge extends shelf life and readiness

➤ High Vibration Resistance for reliable performance in demanding environments

➤ U.L. Recognized and CE Certified for safety and quality standards


📦🚀 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 | 75 AH

Terminal Type

Nut & Bolt

SigmasTek SP12-75 NB Replacement Battery Set for APC UXBP48 UPS

Replace the batteries in your APC UXBP48 with this set of four SigmasTek SP12-75 NB (12 Volts 75 AH) units designed for high-rate discharge UPS applications. These high-performance UPS batteries are factory fresh, tested to meet OEM expectations, and built to provide sustained backup capacity for large UPS systems and emergency power installations. If your APC UXBP48 is due for a battery refresh, this set offers a cost-effective, reliable way to restore full runtime and operational resilience.

Key Specifications

  • Brand: SigmasTek
  • Model: SP12-75 NB
  • Voltage: 12 Volts
  • Capacity: 75 AH
  • Quantity: Set of 4 batteries
  • Terminal Type: Nut & Bolt
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated, Spill Proof
  • Features: Low Self-discharge
  • Features: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Installation Note: Use all existing cables and hardware from original configuration to connect the new UPS batteries

Benefits

  • Rugged and reliable: The valve-regulated design and high vibration tolerance ensure the batteries perform under load and in varied environmental conditions.
  • Extended service life: Low self-discharge helps these batteries remain ready for use and contributes to a long-lasting battery solution for your APC UXBP48.
  • Power when it matters: High rate discharge capability supplies the necessary current for UPS transfer events, fault clearing, and emergency support.
  • Standards-compliant: U.L. recognition and CE certification verify consistent manufacturing and safety measures for peace of mind.
  • Ideal uses: Perfect for Uninterruptible Power Supply (UPS) systems like the APC UXBP48, emergency power reserves, and larger battery-dependent equipment.
  • Matched set for easy service: Four matched batteries ensure balanced performance and simplified installation using your existing cables and hardware.

Ensure continuous protection for your APC UXBP48—purchase this replacement UPS battery set today and get reliable, long-lasting backup power with fast shipping and trusted performance.


Payment & Security

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