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SigmasTek  |  SKU: BW-1509

APC Smart UPS RT RWRT8000XLU Compatible Replacement Battery Set

Sale price $184.99 USD Regular price $264.06
Shipping calculated at checkout.

➤ Package of 16 replacement 12V 5.5AH UPS batteries for APC Smart UPS RT RWRT8000XLU

➤ AGM sealed battery technology for extended life and reliability

➤ UL certification ensures safety and quality standards

➤ Guaranteed original battery set compatibility

➤ Ships in 1 business day with 1-year warranty


📦🚀 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

APC Smart UPS RT RWRT8000XLU Replacement Batteries — Compatible with APC Smart UPS RT RWRT8000XLU

Protect your critical equipment and restore dependable runtime for the APC Smart UPS RT RWRT8000XLU with this full 16-battery replacement kit. Each battery is a 12V 5.5AH AGM sealed SLA module, UL certified and sourced to meet or exceed original specifications. This complete set ensures your UPS returns to intended performance and provides a high-performance UPS battery solution for data centers, industrial racks, and mission-critical infrastructure.

Key Specifications

  • Package contains: 16 batteries (complete set for APC Smart UPS RT RWRT8000XLU)
  • Volts: 12 V
  • Amp Hours: 5.5 AH
  • Chemistry: SLA (Sealed Lead Acid)
  • Technology: AGM (Absorption Glass Mat)
  • Terminal: F2
  • Weight (total pack): 67.2 Lbs
  • Length (each): 3.54 In
  • Width (each): 2.76 In
  • Height (each): 3.98 In
  • Warranty: 1-year Warranty
  • Brand / Spec Sheets: SigmasTek UPS Batteries Spec Sheets
  • Shipping Methods: UPS Ground and USPS (ships in 1 business day for in-stock items)

Benefits

This replacement UPS battery pack brings long-lasting performance and consistent power delivery to your APC Smart UPS RT RWRT8000XLU. The maintenance-free AGM design offers safety, vibration resistance, and sealed operation — perfect for environments where uptime is essential. As a high-performance UPS battery option, these modules deliver reliable discharge profiles and efficient recharge characteristics, helping preserve the lifecycle of your UPS system.

Ideal for UPS backup, emergency power systems, telecom equipment, and other critical loads, this 16-pack supports sustained runtime and dependable recovery after outages. The UL certification and SLA construction ensure industry-standard safety, and the included one-year warranty protects your purchase. These batteries are also suitable for applications that require durable, long-lasting battery backup solutions.

Installation requires placing the replacement batteries in the same original configuration and reusing existing cables and hardware. Be sure to confirm your current battery dimensions before ordering to accommodate any manufacturer changes. If you prefer buying a single battery instead of the full set, visit UPS Batteries by V and AH to select the individual battery needed.

For support or more information about the APC Smart UPS RT RWRT8000XLU replacement UPS battery pack, contact customer service via email, chat, or call toll free at (800) 657-1303. Restore reliable power protection and order this long-lasting battery set today.


Payment & Security

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