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SigmasTek  |  SKU: BW-4403

PowerWare PRESTIGE 800 UPS High Performance Replacement Battery Set

Sale price $41.73 USD Regular price $52.70
Shipping calculated at checkout.

➤ Includes 4 SigmasTek SP12-5.5HR batteries (12V 5.5AH) for PowerWare PRESTIGE 800

➤ High rate discharge design delivers reliable power during outages

➤ Spill-proof, valve regulated batteries reduce maintenance needs

➤ Low self-discharge preserves battery life during standby

➤ U.L. and CE certified with 1 year warranty included


📦🚀 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 | 5.5 Ah

Terminal Type

F2

Replacement Battery Set for PowerWare PRESTIGE 800 — Compatible with PowerWare PRESTIGE 800 UPS

Keep critical systems protected by fitting this replacement UPS battery set specifically configured for the PowerWare PRESTIGE 800. Designed to deliver steady, reliable backup power and rapid burst capability, this kit restores runtime and reliability to your PRESTIGE 800 without compromise. Offering certified safety, low self-discharge, and factory-fresh components, this high-performance UPS battery set is a smart choice for planned maintenance and emergency replacements alike.

Key Specifications

  • Includes: 4 x SigmasTek SP12-5.5HR batteries
  • Voltage: 12 Volts
  • Capacity: 5.5 AH
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof
  • Self-discharge: Low Self-discharge
  • Durability: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatibility: Replacement for PowerWare PRESTIGE 800 UPS units (use existing cables and hardware)

Benefits

  • Enhanced reliability: Manufactured to be brand new and factory fresh, these batteries offer dependable service life for your PowerWare PRESTIGE 800.
  • Long-lasting battery characteristics: Low self-discharge chemistry and quality construction keep the pack ready for on-demand use after prolonged storage.
  • High-performance output: The high rate discharge design provides the necessary short-term power for heavier loads, delivering the performance expected from a high-performance UPS battery.
  • Safety and compliance: U.L. recognition and CE certification ensure the pack meets common safety standards for UPS deployments.
  • Application flexibility: Ideal for uninterruptible power supply (UPS) systems, emergency power configurations, and battery-powered tools that benefit from fast, reliable power bursts.
  • Tested to OEM standards: Our technicians personally test each set to meet or exceed OEM performance, ensuring compatibility and consistent runtime.
  • Simple installation: Designed to be swapped in using your PRESTIGE 800’s existing cables and hardware—no special adapters required.

When it's time to replace the batteries in your PowerWare PRESTIGE 800, choose this proven, long-lasting battery pack to restore protection and confidence in your backup power. Call for help or order now to receive a quality replacement with fast shipping and a 1 year warranty.



Payment & Security

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