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SigmasTek  |  SKU: BW-4583

APC SURT3000RMXL UPS Compatible Replacement Battery Set

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

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

➤ Low self-discharge feature maintains readiness when idle

➤ Tested to meet or exceed OEM specifications

➤ Suitable for UPS, emergency power, and battery-powered tools

➤ Factory fresh with superior long life


📦🚀 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 SURT3000RMXL (SigmasTek SP12-5.5HR x16)

Replace worn batteries and restore runtime for your APC SURT3000RMXL with this complete replacement UPS battery set. The kit includes 16 SigmasTek SP12-5.5HR batteries (12 Volts, 5.5 AH), providing the power and reliability needed to protect critical systems. These brand new batteries are factory fresh and built for dependable performance. Remember to reuse all existing cables and hardware from your original configuration when installing the new batteries.

Key Specifications

  • Compatible UPS Model: APC SURT3000RMXL
  • Quantity: 16 batteries
  • Battery Model: SigmasTek SP12-5.5HR
  • Voltage: 12 Volts
  • Capacity: 5.5 AH
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Features: Low Self-discharge; High Vibration Resistance; Superior Performance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year

Benefits

This replacement UPS battery set delivers durability and dependable performance for the APC SURT3000RMXL. The high rate discharge design makes it an excellent high-performance UPS battery option when devices require short bursts of increased power. Valve-regulated, spill-proof construction reduces maintenance concerns, while low self-discharge ensures batteries remain ready for use after storage.

Built to withstand vibration and certified for safety, these batteries provide the long-lasting battery replacement you need for mission-critical environments. Common applications include uninterruptible power supply (UPS) units, emergency power systems, and battery-powered tools. Our technical team individually tests each set to ensure they meet or exceed OEM requirements, delivering consistent output and extended service life compared with worn or aged batteries.

If you have questions about installing these replacement UPS batteries in your APC SURT3000RMXL, our customer service staff is available at or by email. We typically ship in-stock items within 24 hours so you can minimize downtime and get systems back to protected status quickly.

Order your replacement UPS battery set for APC SURT3000RMXL now to secure a reliable, long-lasting battery solution and restore full protection to your equipment.


Payment & Security

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