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SigmasTek  |  SKU: BW-2639

APC UXBP48M UPS High Performance Replacement Battery Set

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

➤ High Rate Discharge design for quick power delivery

➤ Valve Regulated Spill Proof construction prevents leaks

➤ Low Self-discharge for longer shelf life

➤ High Vibration Resistance ensures durability

➤ U.L. Recognized and CE Certified for safety and 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 | 75 AH

Terminal Type

Nut & Bolt

SigmasTek SP12-75 NB Replacement Battery Set for APC UXBP48M UPS

This replacement battery set includes four SigmasTek SP12-75 NB units (12 Volts 75 AH) designed for the APC UXBP48M Uninterruptible Power Supply. Engineered for high-rate discharge performance and heavy-duty backup applications, this four-pack restores substantial runtime and delivers the current needed for large UPS banks. Each battery is brand new, tested, and built with valve-regulated, spill-proof construction to ensure safety, reliability, and long-lasting service in demanding installations.

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

  • Heavy-duty durability: Large 75 AH cells in valve-regulated, spill-proof housings are built to withstand rigorous use in enterprise UPS systems and battery banks.
  • Consistent long life: Low self-discharge chemistry and robust construction help these batteries retain capacity over time, making them a dependable long-lasting battery solution for critical power systems.
  • High-performance output: The high rate discharge design supplies the elevated current needed during short-term surge demands and transfer operations in the APC UXBP48M.
  • Safe and certified: U.L. recognition and CE certification provide confidence in manufacturing standards and operational safety.
  • Application flexibility: Ideal for Uninterruptible Power Supply (UPS) units such as the APC UXBP48M, emergency power supplies, and larger battery-powered equipment requiring sustained runtime.
  • Complete set: Supplied as a matched set of four for seamless installation into 48V battery strings, using your existing cables and hardware to minimize downtime.

Maintain uptime and system integrity—purchase this high-performance replacement UPS battery set for the APC UXBP48M today. Order now to secure fast shipping and reliable backup power for your critical infrastructure.


Payment & Security

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