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SigmasTek  |  SKU: BW-2000

APC SMART-UPS POWERSTACK 450VA High Performance UPS Replacement Battery Set

Sale price $42.99 USD Regular price $62.80
Shipping calculated at checkout.

➤ Includes 2 brand new SigmasTek SP6-9HR batteries (6V 9AH) for APC SMART-UPS POWERSTACK 450VA

➤ High rate discharge design for reliable emergency power

➤ Valve regulated, spill-proof construction prevents leaks

➤ Low self-discharge keeps batteries ready for use

➤ Certified quality and 1 year warranty for dependable performance


📦🚀 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

6 Volts | 9 AH

Terminal Type

F2

SigmasTek SP6-9HR Replacement Battery Set for APC SMART-UPS POWERSTACK 450VA

Renew your APC SMART-UPS POWERSTACK 450VA with this dependable replacement UPS battery set. The package contains 2 SigmasTek SP6-9HR batteries (6 Volts, 9 AH) engineered for high-rate discharge to handle short bursts of power demand. This high-performance UPS battery set is factory-fresh, certified, and tested to help restore run-time and reliability for your PowerStack 450VA unit.

Key Specifications

  • Brand: SigmasTek
  • Model: SP6-9HR
  • Quantity: 2 batteries per set
  • Voltage: 6 Volts
  • Capacity: 9 AH (Amp-hours)
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated, Spill Proof
  • Performance Features: Low Self-discharge; High Vibration Resistance; Superior Performance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Applications: Uninterruptible Power Supply (UPS) Units; Emergency Power Supply; Battery Powered Tools
  • Installation Note: Use all existing cables and hardware from original configuration to connect replacements

Benefits

  • Durability: The valve-regulated, spill-proof construction and robust vibration resistance make these batteries suitable for stacked and compact UPS designs like the PowerStack 450VA.
  • Long Life: Low self-discharge characteristics and brand-new manufacturing provide a long-lasting battery replacement that remains ready for service after storage.
  • High Performance: Designed for high-rate discharge scenarios, these batteries deliver the quick energy spikes required by UPS systems during transitions and short outages, making them an excellent high-performance UPS battery choice.
  • Compliance & Safety: U.L. recognition and CE certification ensure compatibility with industry safety standards and professional installations.
  • Multiple Uses: Optimized for UPS units, emergency backup systems, and battery-powered tools — this replacement UPS battery set is versatile for various backup power needs.
  • Easy Swap-In: The set is intended to replace original cells; continue to use your existing cables and mounting hardware for a simple installation process.
  • Tested Reliability: Each battery is inspected and tested to meet or exceed OEM specifications so your APC SMART-UPS POWERSTACK 450VA performs reliably in critical moments.

Ready to secure uninterrupted protection? Buy this replacement UPS battery set for your APC SMART-UPS POWERSTACK 450VA now and get a long-lasting battery that delivers high-performance backup power. Orders for in-stock items typically ship within 24 hours — purchase today to maintain continuous protection for your equipment.


Payment & Security

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