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SigmasTek  |  SKU: BW-4352

APC SRT3000XLI UPS High Performance Replacement Battery Set

Sale price $92.99 USD Regular price $135.15
Shipping calculated at checkout.

➤ High Rate Discharge Design for high power output needs

➤ Valve Regulated Spill Proof Construction for safe use

➤ Low Self-discharge extends battery readiness

➤ High Vibration Resistance for tough environments

➤ U.L. Recognized and CE Certified, Brand New 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 SRT3000XLI - SigmasTek SP12-5.5HR (8-Pack)

Restore peak performance to your APC SRT3000XLI with this complete replacement UPS battery set. Engineered for compatibility and consistent reliability, the 8 SigmasTek SP12-5.5HR batteries deliver dependable power for critical systems. If your UPS requires a fresh, high-performance UPS battery solution, this kit provides the capacity and construction needed to secure uptime in emergency and high-rate discharge scenarios.

Key Specifications

  • Brand: SigmasTek
  • Model: SP12-5.5HR
  • Quantity: 8 batteries (complete set)
  • Voltage: 12 Volts
  • Capacity: 5.5 AH (amp-hours)
  • Terminal Type: F2
  • 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
  • Compatibility: Replacement batteries for APC SRT3000XLI UPS unit
  • Note: Must reuse existing cables and hardware from original configuration to connect new batteries

Benefits

  • Robust valve-regulated, spill-proof construction ensures safe, maintenance-free operation—ideal for data centers and protected equipment rooms.
  • High rate discharge capability supplies the extra current needed during surges or brief heavy loads commonly encountered with APC SRT3000XLI systems.
  • Low self-discharge behavior helps this long-lasting battery remain ready for service after storage or extended standby periods.
  • High vibration resistance enhances reliability in rack-mounted installations and environments with mechanical disturbances.
  • Factory tested and U.L./CE certified to deliver trustworthy performance comparable to OEM units, providing peace of mind and extended runtime.
  • Perfect for UPS units, emergency power supplies, and select battery-powered tools where fast power delivery and consistent endurance are critical.
  • Professionally inspected by our technical staff to ensure every replacement UPS battery meets quality and performance expectations before shipment.

Don’t wait until a failing battery compromises your APC SRT3000XLI. Order this high-performance UPS battery set now and get rapid shipping on in-stock items. For purchasing help call — secure a reliable, long-lasting battery replacement today.


Payment & Security

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