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SigmasTek  |  SKU: BW-4573

APC SURT5000XLI UPS High Performance Replacement Battery Set

Sale price $184.99 USD Regular price $270.27
Shipping calculated at checkout.

➤ Replacement set of 16 SigmasTek SP12-5.5HR batteries (12V, 5.5 AH)

➤ Designed for high rate discharge to meet UPS power surges

➤ Valve regulated spill-proof batteries for safe, maintenance-free use

➤ Low self-discharge extends shelf life and readiness

➤ U.L. recognized and CE certified 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

Replacement Battery Set for APC SURT5000XLI - SigmasTek SP12-5.5HR (16 Pack)

Get dependable backup power for your APC SURT5000XLI with this replacement UPS battery set. Included are 16 SigmasTek SP12-5.5HR batteries (12 Volts, 5.5 AH), engineered for high rate discharge to support brief, high-power demands. This high-performance UPS battery pack offers low self-discharge and strong vibration resistance, delivering a long-lasting battery solution that keeps critical systems protected and ready.

Key Specifications

  • Compatible UPS Model: APC SURT5000XLI
  • Battery Set Quantity: 16 batteries
  • Battery Brand: SigmasTek
  • Battery Model: SP12-5.5HR
  • Voltage: 12 Volts
  • Capacity: 5.5 AH
  • Terminal Type: F2
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • 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
  • Notes: Requires existing cables and hardware from original configuration to connect the new UPS batteries

Benefits

  • Built for Reliability: Valve-regulated, spill-proof construction and U.L./CE recognition mean safe, reliable operation in data centers, server rooms, and other mission-critical locations.
  • Peak Power Ready: As a high-performance UPS battery designed for high rate discharge, this pack supplies the surge current required during transfers and short-term high-load events.
  • Long-Lasting Battery Performance: Low self-discharge characteristics contribute to extended shelf life and reduce maintenance intervals, making it a true long-lasting battery solution.
  • Professionally Tested: Each replacement battery set is verified by trained staff to meet or exceed OEM performance for the APC SURT5000XLI—giving you confidence in runtime restoration.
  • Multiple Applications: Ideal for UPS units, emergency power systems, and compatible battery-powered tools that require dependable backup power.

Ready to upgrade your APC SURT5000XLI backup system? Buy this SigmasTek replacement UPS battery pack now to secure reliable, high-performance power and fast shipping. Invest in a long-lasting battery solution today.


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